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Arizono E, Tanei ZI, Iijima K, Kimura Y, Shigemoto Y, Maki H, Kusama M, Murayama K, Iwasaki M, Saito T, Saito Y, Saito K, Sato N. MRI detection of mild malformation of cortical development with oligodendroglial hyperplasia (MOGHE) on T1WI-CHESS. Epilepsy Behav Rep 2024; 26:100674. [PMID: 38764719 PMCID: PMC11101927 DOI: 10.1016/j.ebr.2024.100674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/07/2024] [Accepted: 05/07/2024] [Indexed: 05/21/2024] Open
Abstract
Mild malformation of cortical development with oligodendroglial hyperplasia (MOGHE) is a recently proposed epileptogenic entity that is difficult to detect on MRI. We present a case of MOGHE that was successfully detected on T1WI-chemical shift-selective saturation (CHESS) MRI. The clinical presentation, MRI including T1WI-CHESS, functional images, and pathology findings of a 14-year-old Japanese girl diagnosed with MOGHE are described. T1WI-CHESS revealed an abnormal high signal along the affected lesion, whereas the findings shown by the other MR sequences were less obvious; interictal fluorodeoxyglucose-positron emission tomography indicated slightly decreased accumulation in the lesion, and subtraction ictal single photon emission computed tomography co-registered to MRI showed an increased blood flow. Together these observations suggest that T1WI-CHESS may be a useful MR sequence for detecting the lesions in patients with MOGHE.
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Affiliation(s)
- Elly Arizono
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
- Department of Radiology, Tokyo Medical University, School of Medicine, Tokyo, Japan
| | - Zen-ichi Tanei
- Department of Cancer Pathology, Hokkaido University, Faculty of Medicine, Hokkaido, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yukio Kimura
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yoko Shigemoto
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Hiroyuki Maki
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Midori Kusama
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Kumiko Murayama
- Department of Genome Medicine Development, Medical Genome Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Takashi Saito
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yuko Saito
- Department of Neuropathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Kazuhiro Saito
- Department of Radiology, Tokyo Medical University, School of Medicine, Tokyo, Japan
| | - Noriko Sato
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
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Kimura Y, Iwasaki M. [Deep Brain Stimulation for Tourette's Syndrome and Challenging for Neuropsychiatric Disease]. No Shinkei Geka 2024; 52:619-629. [PMID: 38783505 DOI: 10.11477/mf.1436204956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
The efficacy of deep brain stimulation(DBS)for Tourette's syndrome is being well established. Herein, we performed DBS in 38 patients and confirmed that its efficacy was comparable with that reported internationally. Although many patients experience severe symptoms, the indications for surgery remain controversial. One reason for this is that Tourette syndrome has the potential for spontaneous remission, while DBS treatment results in the need for long-term management, which can be difficult for some patients. Furthermore, while several targets for DBS have been reported, no treatment guidelines have yet been established. The efficacy of DBS for neuropsychiatric disorders, such as obsessive-compulsive disorder, depression, and dementia, is gradually being reported. However, this use has many limitations in terms of expectations similar to those seen with Tourette's syndrome, leading to problems with expanding indications for these disorders. Indications for these disorders should be addressed in conjunction with ethical issues. It is expected that more data on this topic will be collected in the future.
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Affiliation(s)
- Yuiko Kimura
- Department of Neurosurgery, National Center of Neurology and Psychiatry Hospital
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Iijima K, Komatsu K, Miyashita S, Suyama K, Murayama K, Hashizume K, Tabe NK, Miyata H, Iwasaki M, Taya S, Hoshino M. Transcriptional features of low-grade neuroepithelial tumors with the BRAF V600E mutation associated with epileptogenicity. Genes Cells 2024; 29:192-206. [PMID: 38269481 DOI: 10.1111/gtc.13096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/20/2023] [Accepted: 12/20/2023] [Indexed: 01/26/2024]
Abstract
Low-grade neuroepithelial tumors are major causes of drug-resistant focal epilepsy. Clinically, these tumors are defined as low-grade epilepsy-associated neuroepithelial tumors (LEATs). The BRAF V600E mutation is frequently observed in LEAT and linked to poor seizure outcomes. However, its molecular role in epileptogenicity remains elusive. To understand the molecular mechanism underlying the epileptogenicity in LEAT with the BRAF V600E genetic mutation (BRAF V600E-LEAT), we conducted RNA sequencing (RNA-seq) analysis using surgical specimens of BRAF V600E-LEAT obtained and stored at a single institute. We obtained 21 BRAF V600E-LEAT specimens and 4 control specimens, including 24 from Japanese patients and 1 from a patient of Central Asian origin, along with comprehensive clinical data. We submitted the transcriptome dataset of 21 BRAF V600E-LEAT plus 4 controls, as well as detailed clinical information, to a public database. Preliminary bioinformatics analysis using this dataset identified 2134 differentially expressed genes between BRAF V600E-LEAT and control. Additionally, gene set enrichment analysis provided novel insights into the association between estrogen response-related pathways and the epileptogenicity of BRAF V600E-LEAT patients. Our datasets and findings will contribute toward the understanding of the pathology of epilepsy caused by LEAT and the identification of new therapeutic targets.
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Affiliation(s)
- Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Kanako Komatsu
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Satoshi Miyashita
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Kyoka Suyama
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Kumiko Murayama
- Medical Genome Center, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Koichi Hashizume
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Nao K Tabe
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Hajime Miyata
- Department of Neuropathology, Research Institute for Brain and Blood Vessels, Akita Cerebrospinal and Cardiovascular Center, Akita City, Akita, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Shinichiro Taya
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
- Division of Behavioral Neuropharmacology, International Center for Brain Science (ICBS), Fujita Health University, Toyoake, Aichi, Japan
| | - Mikio Hoshino
- Department of Biochemistry and Cellular Biology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
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Iwasaki M. Reward whistleblowers who expose environmental crimes. Nat Hum Behav 2024; 8:404-405. [PMID: 38297063 DOI: 10.1038/s41562-024-01825-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Affiliation(s)
- Masaki Iwasaki
- School of Law, Seoul National University, Seoul, the Republic of Korea.
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Yoshitomi M, Iijima K, Kosugi K, Takayama Y, Kimura Y, Kaneko Y, Kawashima T, Tachimori H, Sumitomo N, Baba S, Saito T, Nakagawa E, Morioka M, Iwasaki M. Intraventricular hemorrhage volume and younger age at surgery may be risk factors for postoperative hydrocephalus after hemispherotomy in children. J Neurosurg Pediatr 2024; 33:193-198. [PMID: 38157528 DOI: 10.3171/2023.11.peds23408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 11/13/2023] [Indexed: 01/03/2024]
Abstract
OBJECTIVE Hemispherotomy is an effective treatment for intractable hemispheric epilepsy; however, hydrocephalus remains a common complication of the procedure. The causes of hydrocephalus following hemispherotomy have not been fully elucidated; therefore, the purpose of this study was to identify the risk factors associated with the condition. METHODS The authors investigated the records of all patients aged < 18 years who underwent hemispherotomy at their institution between 2003 and 2020 and were monitored for hydrocephalus for at least 1 year after the procedure. To identify the risk factors for hydrocephalus, the following information about each patient was collected: sex, corrected age at surgery, body weight at surgery, previous intracranial surgery, etiology of epilepsy, results of PET for hypermetabolism, side of surgery, type of operation (vertical or horizontal approach), operation time, blood loss during surgery, use of intraventricular drainage, occurrence of intraventricular hemorrhage (IVH) on the 1st postoperative day, duration of postoperative fever of > 38°C, and maximum C-reactive protein level after the operation. Multivariate logistic regression analyses were performed. RESULTS This study included 51 children who underwent hemispherotomies for drug-resistant epilepsy at our hospital. Seven patients (13.7%) experienced hydrocephalus and were treated with ventricular or subdural peritoneal shunts or fenestration. Multivariate logistic analysis using the Bayesian information criterion revealed that 3 factors were associated with the occurrence of hydrocephalus: age at surgery, postoperative IVH volume, and duration of postoperative fever of > 38°C. CONCLUSIONS This study showed that younger age at surgery, postoperative IVH volume, and duration of postoperative fever of > 38°C might be risk factors for hydrocephalus after hemispherotomy. The risk of hydrocephalus should be considered in cases of early surgical indication in children. Intraoperative hemostasis and postoperative use of anti-inflammatory measures may reduce the risk of hydrocephalus.
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Affiliation(s)
- Munetake Yoshitomi
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
- 2Department of Neurosurgery, Kurume University School of Medicine, Kurume
| | - Keiya Iijima
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
| | - Kenzo Kosugi
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
- 3Department of Neurosurgery, Keio University School of Medicine, Tokyo
| | - Yutaro Takayama
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
- 4Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa
| | - Yuiko Kimura
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
| | - Yuu Kaneko
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
| | - Takahiro Kawashima
- 5Department of Clinical Data Science, Clinical Research and Education Promotion Division, National Center of Neurology and Psychiatry, Kodaira, Tokyo; and
| | - Hisateru Tachimori
- 5Department of Clinical Data Science, Clinical Research and Education Promotion Division, National Center of Neurology and Psychiatry, Kodaira, Tokyo; and
| | - Noriko Sumitomo
- 6Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Shimpei Baba
- 6Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Takashi Saito
- 6Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Eiji Nakagawa
- 6Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Motohiro Morioka
- 2Department of Neurosurgery, Kurume University School of Medicine, Kurume
| | - Masaki Iwasaki
- 1Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo
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Hanaya R, Kubota Y, Mizobuchi M, Iida K, Ono T, Motooka H, Nakano N, Fujimoto A, Iwasaki M, Fukuda M, Kondo A, Uruno K, Yamamuro S, Yamaguchi K, Onishi K, Ngo LY, Inoue Y. Intravenous perampanel as an alternative to the oral formulations in Japanese patients with epilepsy. Epilepsia Open 2023; 8:1369-1382. [PMID: 37547978 PMCID: PMC10690696 DOI: 10.1002/epi4.12804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 08/02/2023] [Indexed: 08/08/2023] Open
Abstract
OBJECTIVE Perampanel is an oral anti-seizure medication, which is approved in Japan for focal-onset seizures, with/without focal to bilateral tonic-clonic seizures, as monotherapy/adjunctive therapy in patients aged 4 years and older. Treatment for generalized tonic-clonic seizures as adjunctive therapy in patients aged 12 years and older is approved as well. We evaluated the feasibility of intravenous (IV) administration of perampanel as an alternative to oral administration. METHODS Study 240 (NCT03754582) was an uncontrolled, open-label study of IV perampanel, conducted in 21 Japanese patients with epilepsy who received a stable dose of 8-12 mg/day of oral perampanel. Patients received 30-minute IV infusions at equivalent daily doses of oral perampanel for 4 days, then were switched back to oral perampanel. Safety, tolerability, plasma concentration, and maintenance of efficacy throughout the transition between IV and oral dosing of perampanel were assessed. As supportive data, a subgroup analysis was also conducted using data from healthy Japanese subjects (n = 18) who were enrolled in Study 050 (NCT03376997) investigating the pharmacokinetics and safety of IV perampanel in healthy subjects who received an IV infusion (30-, 60-, or 90-minute) of perampanel 12 mg and a single oral administration of perampanel 12-mg tablet. RESULTS In Study 240, the transition between 30-minute IV and oral perampanel dosing was associated with a ≤1.4-fold increase in the mean change in maximum observed concentration of perampanel. Seizure outcomes demonstrated no considerable changes in efficacy before, during, or after 30-minute IV dosing of perampanel. The safety profiles were similar between IV and oral formulations. In Study 050, the pharmacokinetics of 30- or 60-minute IV infusion of perampanel further support the interchangeability between oral and IV formulations in the Japanese subjects. SIGNIFICANCE These results support that 30-minute IV perampanel may be a potential short-term alternative to oral formulations for patients with epilepsy.
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Affiliation(s)
- Ryosuke Hanaya
- Department of NeurosurgeryKagoshima University, Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Yuichi Kubota
- Epilepsy Center, TMG Asaka Medical CenterAsakaJapan
- Present address:
Department of NeurosurgeryTokyo Women's Medical University, Adachi Medical CenterAdachiTokyoJapan
| | - Masahiro Mizobuchi
- Department of NeurologyNakamura Memorial HospitalSapporoJapan
- Present address:
Department of NeurologyMinami‐ichijo Neurology ClinicSapporoHokkaidoJapan
| | - Koji Iida
- Epilepsy Center, Hiroshima University HospitalHiroshimaJapan
| | - Tomonori Ono
- Epilepsy Center, National Hospital Organization Nagasaki Medical CenterOmuraJapan
| | | | - Naoki Nakano
- Department of NeurosurgeryKindai UniversityOsakasayamaJapan
| | - Ayataka Fujimoto
- Comprehensive Epilepsy Center, Seirei Hamamatsu General HospitalHamamatsuJapan
| | - Masaki Iwasaki
- Department of NeurosurgeryNational Center Hospital, National Center of Neurology and PsychiatryKodairaJapan
| | - Masafumi Fukuda
- Department of NeurosurgeryNational Hospital Organization Nishiniigata Chuo HospitalNiigataJapan
| | - Akihiko Kondo
- Department of NeurosurgeryNational Hospital Organization, Shizuoka Institute of Epilepsy and Neurological DisordersShizuokaJapan
| | - Katsuhisa Uruno
- Department of NeurologyNational Hospital Organization Yamagata HospitalYamagataJapan
| | | | | | | | | | - Yushi Inoue
- National Hospital Organization, Shizuoka Institute of Epilepsy and Neurological DisordersShizuokaJapan
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Roth J, Bergman L, Weil AG, Brunette-Clement T, Weiner HL, Treiber JM, Shofty B, Cukiert A, Cukiert CM, Tripathi M, Sarat Chandra P, Bollo RJ, Machado HR, Santos MV, Gaillard WD, Oluigbo CO, Ibrahim GM, Jallo GI, Shimony N, O'Neill BR, Budke M, Pérez-Jiménez MÁ, Mangano FT, Iwasaki M, Iijima K, Gonzalez-Martinez J, Kawai K, Ishishita Y, Elbabaa SK, Bello-Espinosa L, Fallah A, Maniquis CAB, Ben-Zvi I, Tisdall M, Panigrahi M, Jayalakshmi S, Blount JP, Dorfmüller G, Bulteau C, Stone SS, Bolton J, Singhal A, Connolly M, Alsowat D, Alotaibi F, Ragheb J, Uliel-Sibony S. Added value of corpus callosotomy following vagus nerve stimulation in children with Lennox-Gastaut syndrome: A multicenter, multinational study. Epilepsia 2023; 64:3205-3212. [PMID: 37823366 DOI: 10.1111/epi.17796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/01/2023] [Accepted: 10/09/2023] [Indexed: 10/13/2023]
Abstract
OBJECTIVE Lennox-Gastaut syndrome (LGS) is a severe form of epileptic encephalopathy, presenting during the first years of life, and is very resistant to treatment. Once medical therapy has failed, palliative surgeries such as vagus nerve stimulation (VNS) or corpus callosotomy (CC) are considered. Although CC is more effective than VNS as the primary neurosurgical treatment for LGS-associated drop attacks, there are limited data regarding the added value of CC following VNS. This study aimed to assess the effectiveness of CC preceded by VNS. METHODS This multinational, multicenter retrospective study focuses on LGS children who underwent CC before the age of 18 years, following prior VNS, which failed to achieve satisfactory seizure control. Collected data included epilepsy characteristics, surgical details, epilepsy outcomes, and complications. The primary outcome of this study was a 50% reduction in drop attacks. RESULTS A total of 127 cases were reviewed (80 males). The median age at epilepsy onset was 6 months (interquartile range [IQR] = 3.12-22.75). The median age at VNS surgery was 7 years (IQR = 4-10), and CC was performed at a median age of 11 years (IQR = 8.76-15). The dominant seizure type was drop attacks (tonic or atonic) in 102 patients. Eighty-six patients underwent a single-stage complete CC, and 41 an anterior callosotomy. Ten patients who did not initially have a complete CC underwent a second surgery for completion of CC due to seizure persistence. Overall, there was at least a 50% reduction in drop attacks and other seizures in 83% and 60%, respectively. Permanent morbidity occurred in 1.5%, with no mortality. SIGNIFICANCE CC is vital in seizure control in children with LGS in whom VNS has failed. Surgical risks are low. A complete CC has a tendency toward better effectiveness than anterior CC for some seizure types.
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Affiliation(s)
- Jonathan Roth
- Department of Pediatric Neurosurgery, Dana Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Lottem Bergman
- Department of Pediatric Neurosurgery, Dana Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Alexander G Weil
- Division of Neurosurgery, Department of Surgery, Sainte-Justine University Hospital Centre and University of Montreal Hospital Centre, Montreal, Quebec, Canada
| | - Tristan Brunette-Clement
- Division of Neurosurgery, Department of Surgery, Sainte-Justine University Hospital Centre and University of Montreal Hospital Centre, Montreal, Quebec, Canada
| | - Howard L Weiner
- Department of Neurosurgery, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas, USA
- Division of Pediatric Neurosurgery, Department of Surgery, Texas Children's Hospital, Houston, Texas, USA
| | - Jeffrey M Treiber
- Department of Neurosurgery, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas, USA
- Division of Pediatric Neurosurgery, Department of Surgery, Texas Children's Hospital, Houston, Texas, USA
| | - Ben Shofty
- Department of Neurosurgery, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Arthur Cukiert
- Department of Neurosurgery, Epilepsy Surgery Program, Clinica Cukiert, Sao Paulo, Brazil
| | - Cristine Mella Cukiert
- Department of Neurology and Neurophysiology, Epilepsy Surgery Program, Clinica Cukiert, Sao Paulo, Brazil
| | - Manjari Tripathi
- Center of Excellence for Epilepsy and MEG, AIIMS, New Delhi, India
| | | | - Robert J Bollo
- Division of Pediatric Neurosurgery, University of Utah School of Medicine, Primary Children's Hospital, Salt Lake City, Utah, USA
| | - Hélio Rubens Machado
- Division of Pediatric Neurosurgery, Center for Epilepsy Surgery in Children, Ribeirão Preto Medical School, University of São Paulo, Sao Paulo, Brazil
| | - Marcelo Volpon Santos
- Division of Pediatric Neurosurgery, Department of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Sao Paulo, Brazil
| | - William D Gaillard
- Department of Neurology, Children's National Medical Center, Washington, District of Columbia, USA
| | - Chima O Oluigbo
- Department of Neurosurgery, Children's National Medical Center, Washington, District of Columbia, USA
| | - George M Ibrahim
- Department of Surgery, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - George I Jallo
- Institute for Brain Protection Sciences, Johns Hopkins All Children's Hospital, St. Petersburg, Florida, USA
| | - Nir Shimony
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
- Le Bonheur Neuroscience Institute, Le Bonheur Children's Hospital, Memphis, Tennessee, USA
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, Tennessee, USA
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Brent R O'Neill
- Division of Pediatric Neurosurgery, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Marcelo Budke
- Department of Neurosurgery, Niño Jesus University Children's Hospital, Madrid, Spain
| | | | - Francesco T Mangano
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Jorge Gonzalez-Martinez
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Kensuke Kawai
- Department of Neurosurgery, Jichi Medical University, Tochigi, Japan
| | - Yohei Ishishita
- Department of Neurosurgery, Jichi Medical University, Tochigi, Japan
| | - Samer K Elbabaa
- Pediatric Neurosurgery, Leon Pediatric Neuroscience Center of Excellence, Arnold Palmer Hospital for Children, Orlando, Florida, USA
| | - Luis Bello-Espinosa
- Pediatric Neurology and Epilepsy, Leon Pediatric Neuroscience Center of Excellence, Arnold Palmer Hospital for Children, Orlando, Florida, USA
| | - Aria Fallah
- Department of Neurosurgery, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Cassia A B Maniquis
- Department of Neurosurgery, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Ido Ben-Zvi
- Department of Neurosurgery, Great Ormond Street Hospital, London, UK
- Developmental Neurosciences, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Martin Tisdall
- Department of Neurosurgery, Great Ormond Street Hospital, London, UK
- Developmental Neurosciences, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Manas Panigrahi
- Department of Neurosurgery, Krishna Institute of Medical Sciences, Hyderabad, India
| | - Sita Jayalakshmi
- Department of Neurology, Krishna Institute of Medical Sciences, Hyderabad, India
| | - Jeffrey P Blount
- Division of Pediatric Neurosurgery, Department of Neurosurgery, University of Alabama at Birmingham, Children's Hospital of Alabama, Birmingham, Alabama, USA
| | - Georg Dorfmüller
- Pediatric Neurosurgery Department, Rothschild Foundation Hospital, Paris, France
| | | | - Scellig S Stone
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jeffrey Bolton
- Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ashutosh Singhal
- Division of Pediatric Neurosurgery, Department of Surgery, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Mary Connolly
- Comprehensive Epilepsy Program, BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Daad Alsowat
- Neuroscience Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Faisal Alotaibi
- Neuroscience Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - John Ragheb
- Department of Surgery, Nicklaus Children's Hospital, University of Miami, Leonard M. Miller School of Medicine, Miami, Florida, USA
| | - Shimrit Uliel-Sibony
- Pediatric Neurology Unit, Dana Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
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8
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Izumi M, Kobayashi K, Kajikawa S, Kanazawa K, Takayama Y, Iijima K, Iwasaki M, Okahara Y, Mine S, Iwadate Y, Ikeda A. Focal ictal direct current shifts by a time constant of 2 seconds were clinically useful for resective epilepsy surgery. Epilepsia 2023; 64:3294-3306. [PMID: 37905469 DOI: 10.1111/epi.17782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 11/02/2023]
Abstract
OBJECTIVE Ictal direct current shifts (icDCs) and ictal high-frequency oscillations (icHFOs) have been reported as surrogate markers for better surgical outcomes in epilepsy surgery. icDCs have been classified into two types: rapid and slow development. icDCs have been investigated with a time constant of 10 s (TC10s); however, many institutes use electroencephalography with a time constant of 2 s (TC2s). This study aimed to evaluate whether icDCs can be observed adequately with TC2s; moreover, it examined the relationship between the resected core area of icDCs or icHFOs and surgical outcomes, occurrence rate of each type of icDCs, and relationship between each type of icDCs and pathology. METHODS Twenty-five patients with intractable focal epilepsy were analyzed retrospectively. icDCs and icHFOs were defined according to common metrics. The amplitude of icDCs was defined at >200 μV and even <200 μV. The two electrodes producing the most prominent icDCs and icHFOs were defined as core electrodes. The correlation between the resected core electrode area and degree of seizure control after surgery was analyzed. icDCs were classified into two types based on a peak latency value cutoff of 8.9 s, and the occurrence rates of both patterns were investigated. RESULTS icDCs (142/147 seizures [96.6%]) and icHFOs (135/147 seizures [91.8%]) occurred in all patients (100%). Compared with the amplitude of icDCs with TC10s reported in previous studies, the amplitude of icDCs with TC2s was attenuated in the current study. A significant positive correlation was observed between the resected core electrode area and degree of seizure control in both icDCs and icHFOs. A rapid development pattern was observed in 202 of 264 electrodes (76.5%). SIGNIFICANCE Similar to icDCs with TC10s, those with TC2s were observed adequately. Furthermore, favorable outcomes are expected using TC2s, which is currently available worldwide.
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Grants
- JPMH20FC1039 Ministry of Health, Labour and Welfare
- JP15H05874 Japan Ministry of Education, Culture, Sports, Science and Technology
- JP20K21573 Japan Ministry of Education, Culture, Sports, Science and Technology
- JP19H03574 Japan Ministry of Education, Culture, Sports, Science and Technology
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Affiliation(s)
- Masaki Izumi
- Department of Neurosurgery, Chiba University Graduate School of Medicine, Chiba, Japan
- Department of Neurosurgery, Chiba Cerebral and Cardiovascular Center, Chiba, Japan
| | - Katsuya Kobayashi
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shunsuke Kajikawa
- Department of Neurology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Kyoko Kanazawa
- Department of Neurology, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yutaro Takayama
- Department of Neurosurgery, Yokohama City University, Kanagawa, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Yoji Okahara
- Department of Neurosurgery, Chiba Cerebral and Cardiovascular Center, Chiba, Japan
| | - Seiichiro Mine
- Department of Neurosurgery, Gyotoku General Hospital, Chiba, Japan
| | - Yasuo Iwadate
- Department of Neurosurgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders, and Physiology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Kochi R, Osawa SI, Jin K, Ishida M, Kanno A, Iwasaki M, Suzuki K, Kawashima R, Tominaga T, Nakasato N. Language MEG predicts postoperative verbal memory change in left mesial temporal lobe epilepsy. Clin Neurophysiol 2023; 156:69-75. [PMID: 37890232 DOI: 10.1016/j.clinph.2023.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 08/28/2023] [Accepted: 09/05/2023] [Indexed: 10/29/2023]
Abstract
OBJECTIVE To clarify whether preoperative language magnetoencephalography (MEG) predicts postoperative verbal memory (VM) changes in left mesial temporal lobe epilepsy (LMTLE). METHODS We reviewed 18 right-handed patients with LMTLE who underwent anterior temporal lobectomy or selective amygdala hippocampectomy, 12 with (HS+) and 6 without hippocampal sclerosis (HS-). Patients underwent neuropsychological assessment before and after surgery. MEG was measured with an auditory verbal learning task in patients preoperatively and in 15 right-handed controls. Dynamic statistical parametric mapping (dSPM) was used for source imaging of task-related activity. Language laterality index (LI) was calculated by z-score of dSPM in language-related regions. LI in the region of HS+ and HS- was compared to controls. The correlation between LI and postoperative VM change was assessed in HS+ and HS-. RESULTS Preoperative LI in supramarginal gyrus showed greater right-shifted lateralization in both HS+ and HS- than in controls. Right-shifted LI in supramarginal gyrus was correlated with postoperative VM increase in HS+ (p = 0.019), but not in HS-. CONCLUSIONS Right-shifted language lateralization in dSPM of MEG signals may predict favorable VM outcome in HS+ of LMTLE. SIGNIFICANCE Findings warrant further investigation of the relation between regional language laterality index and postoperative verbal memory changes.
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Affiliation(s)
- Ryuzaburo Kochi
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Shin-Ichiro Osawa
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Kazutaka Jin
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.
| | - Makoto Ishida
- Department of Advanced Spintronics Medical Engineering, Tohoku University Graduate School of Engineering, Sendai, Miyagi, Japan
| | - Akitake Kanno
- Department of Advanced Spintronics Medical Engineering, Tohoku University Graduate School of Engineering, Sendai, Miyagi, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Kyoko Suzuki
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Ryuta Kawashima
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Miyagi, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Nobukazu Nakasato
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; Department of Advanced Spintronics Medical Engineering, Tohoku University Graduate School of Engineering, Sendai, Miyagi, Japan
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10
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Ikegaya N, Hayashi T, Higashijima T, Takayama Y, Sonoda M, Iwasaki M, Miyake Y, Sato M, Tateishi K, Suenaga J, Yamamoto T. Arteries Around the Superior Limiting Sulcus: Motor Complication Avoidance in Insular and Insulo-Opercular Surgery. Oper Neurosurg (Hagerstown) 2023; 25:e308-e314. [PMID: 37966479 DOI: 10.1227/ons.0000000000000879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/21/2023] [Indexed: 09/02/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Insulo-opercular surgery can cause ischemic motor complications. A source of this is the arteries around the superior limiting sulcus (SLS), which reach the corona radiata, but the detailed anatomy remains unclear. To characterize arteries around the SLS including the long insular arteries (LIAs) and long medullary arteries, we classified them and examined their distribution in relation to the SLS, which helps reduce the risk of ischemia. METHODS Twenty adult cadaveric hemispheres were studied. Coronal brain slices were created perpendicular to the SLS representing insular gyri (anterior short, middle short, posterior short, anterior long, and posterior long). The arteries within 10-mm proximity of the SLS that reached the corona radiata were excavated and classified by the entry point. RESULTS A total of 122 arteries were identified. Sixty-three (52%), 20 (16%), and 39 (32%) arteries penetrated the insula (LIAs), peak of the SLS, and operculum (long medullary arteries), respectively. 100 and six (87%) arteries penetrated within 5 mm of the peak of the SLS. The arteries were distributed in the anterior short gyrus (19%), middle short gyrus (17%), posterior short gyrus (20%), anterior long gyrus (19%), and posterior long gyrus (25%). Seven arteries (5.7%) had anastomoses after they penetrated the parenchyma. CONCLUSION Approximately 90% of the arteries that entered the parenchyma and reached the corona radiata were within a 5-mm radius of the SLS in both the insula and operculum side. This suggests that using the SLS as a landmark during insulo-opercular surgery can decrease the chance of ischemia.
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Affiliation(s)
- Naoki Ikegaya
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Takahiro Hayashi
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Takefumi Higashijima
- Department of Neurosurgery, Yokohama City University Medical center, Yokohama , Japan
| | - Yutaro Takayama
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Masaki Sonoda
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Kodaira , Japan
| | - Yohei Miyake
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Mitsuru Sato
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Kensuke Tateishi
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Jun Suenaga
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
| | - Tetsuya Yamamoto
- Department of Neurosurgery, Yokohama City University Graduate school of medicine, Yokohama , Japan
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Adachi I, Adamczyk K, Aggarwal L, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Aversano M, Babu V, Bae H, Bahinipati S, Bambade P, Banerjee S, Barrett M, Baudot J, Bauer M, Baur A, Beaubien A, Becherer F, Becker J, Behera PK, Bennett JV, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhuyan B, Bianchi F, Bilka T, Biswas D, Bobrov A, Bodrov D, Bolz A, Bondar A, Borah J, Bozek A, Bračko M, Branchini P, Briere RA, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Cerasoli J, Chang MC, Chang P, Cheaib R, Cheema P, Chekelian V, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Choi SK, Choudhury S, Cochran J, Corona L, Cremaldi LM, Das S, Dattola F, De La Cruz-Burelo E, De La Motte SA, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dossett D, Dreyer S, Dubey S, Dujany G, Ecker P, Eliachevitch M, Epifanov D, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finck C, Finocchiaro G, Fodor A, Forti F, Frey A, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Garg R, Garmash A, Gaudino G, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Ghosh D, Ghumaryan H, Giakoustidis G, Giordano R, Giri A, Gobbo B, Godang R, Gogota O, Goldenzweig P, Gradl W, Granderath S, Graziani E, Greenwald D, Gruberová Z, Gu T, Guan Y, Gudkova K, Halder S, Han Y, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Hedges MT, Heidelbach A, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hoek M, Hohmann M, Horak P, Hsu CL, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jang EJ, Ji QP, Jia S, Jin Y, Johnson A, Junkerkalefeld H, Kaliyar AB, Kandra J, Kang KH, Karyan G, Kawasaki T, Keil F, Ketter C, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Koga T, Kohani S, Kojima K, Konno T, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumar M, Kumara K, Kunigo T, Kuzmin A, Kwon YJ, Lacaprara S, Lai YT, Lam T, Lanceri L, Lange JS, Laurenza M, Leboucher R, Le Diberder FR, Leitl P, Levit D, Lewis PM, Li C, Li LK, Li Y, Libby J, Liu QY, Liu ZQ, Liventsev D, Longo S, Lueck T, Luo T, Lyu C, Ma Y, Maggiora M, Maharana SP, Maiti R, Maity S, Mancinelli G, Manfredi R, Manoni E, Manthei AC, Mantovano M, Marcantonio D, Marcello S, Marinas C, Martel L, Martellini C, Martini A, Martinov T, Massaccesi L, Masuda M, Matsuda T, Matvienko D, Maurya SK, McKenna JA, Mehta R, Meier F, Merola M, Metzner F, Milesi M, Miller C, Mirra M, Miyabayashi K, Mohanty GB, Molina-Gonzalez N, Mondal S, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakazawa Y, Narimani Charan A, Naruki M, Natkaniec Z, Natochii A, Nayak L, Nazaryan G, Nisar NK, Nishida S, Ogawa S, Ono H, Oskin P, Otani F, Pakhlov P, Pakhlova G, Paladino A, Panta A, Paoloni E, Pardi S, Parham K, Park SH, Paschen B, Passeri A, Patra S, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Pham F, Piccolo M, Piilonen LE, Podesta-Lerma PLM, Podobnik T, Pokharel S, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raeuber G, Raiz S, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Robertson SH, Roehrken M, Roney JM, Rostomyan A, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schmitt C, Schnepf M, Schwanda C, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shan W, Sharma C, Shen CP, Shi XD, Shillington T, Shiu JG, Shtol D, Shwartz B, Sibidanov A, Simon F, Singh JB, Skorupa J, Sobie RJ, Sobotzik M, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stavroulakis P, Stefkova S, Stottler ZS, Stroili R, Strube J, Sumihama M, Sumisawa K, Sutcliffe W, Svidras H, Takahashi M, Takizawa M, Tamponi U, Tanida K, Tenchini F, Thaller A, Tittel O, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Tsaklidis I, Uchida M, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Urquijo P, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Veronesi M, Vismaya VS, Vitale L, Vobbilisetti V, Volpe R, Wach B, Waheed E, Wakai M, Wallner S, Wang E, Wang MZ, Wang Z, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Yin JH, Yoshihara K, Yuan CZ, Zani L, Zhang Y, Zhilich V, Zhou JS, Zhou QD, Zhukova VI, Žlebčík R. Tests of Light-Lepton Universality in Angular Asymmetries of B^{0}→D^{*-}ℓν Decays. Phys Rev Lett 2023; 131:181801. [PMID: 37977641 DOI: 10.1103/physrevlett.131.181801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 09/29/2023] [Indexed: 11/19/2023]
Abstract
We present the first comprehensive tests of the universality of the light leptons in the angular distributions of semileptonic B^{0}-meson decays to charged spin-1 charmed mesons. We measure five angular-asymmetry observables as functions of the decay recoil that are sensitive to lepton-universality-violating contributions. We use events where one neutral B is fully reconstructed in ϒ(4S)→BB[over ¯] decays in data corresponding to 189 fb^{-1} integrated luminosity from electron-positron collisions collected with the Belle II detector. We find no significant deviation from the standard model expectations.
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Adachi I, Aggarwal L, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Aversano M, Babu V, Bae H, Bahinipati S, Bambade P, Banerjee S, Barrett M, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Behera PK, Bennett JV, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhuyan B, Bianchi F, Bilka T, Biswas D, Bodrov D, Bondar A, Bozek A, Bračko M, Branchini P, Briere RA, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Cerasoli J, Chang MC, Chang P, Cheema P, Chekelian V, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Choi SK, Choudhury S, Cochran J, Corona L, Das S, Dattola F, De La Motte SA, de Marino G, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dreyer S, Dubey S, Dujany G, Ecker P, Epifanov D, Feichtinger P, Ferlewicz D, Finck C, Finocchiaro G, Fodor A, Forti F, Frey A, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Garmash A, Gaudino G, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Ghosh D, Ghumaryan H, Giakoustidis G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Gogota O, Goldenzweig P, Gradl W, Graziani E, Greenwald D, Gruberová Z, Gu T, Guan Y, Gudkova K, Han Y, Hayasaka K, Hayashii H, Hazra S, Hearty C, Heredia de la Cruz I, Hershenhorn A, Higuchi T, Hill EC, Hoek M, Hohmann M, Hsu CL, Humair T, Iijima T, Inami K, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jaffe DE, Jang EJ, Ji QP, Jia S, Jin Y, Junkerkalefeld H, Kaliyar AB, Kandra J, Karyan G, Kawasaki T, Keil F, Ketter C, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Koga T, Kohani S, Kojima K, Korobov A, Korpar S, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumar M, Kumar R, Kumara K, Kuzmin A, Kwon YJ, Lacaprara S, Lai YT, Lam T, Lange JS, Laurenza M, Leboucher R, Le Diberder FR, Leitl P, Levit D, Lewis PM, Li LK, Libby J, Liu QY, Liu ZQ, Liventsev D, Longo S, Lueck T, Lyu C, Ma Y, Maggiora M, Maharana SP, Maiti R, Maity S, Manfredi R, Manoni E, Mantovano M, Marcantonio D, Marcello S, Marinas C, Martellini C, Martini A, Martinov T, Massaccesi L, Masuda M, Matsuda T, Matsuoka K, Matvienko D, Maurya SK, McKenna JA, Mehta R, Meier F, Merola M, Metzner F, Milesi M, Miller C, Mirra M, Miyabayashi K, Mohanty GB, Molina-Gonzalez N, Mondal S, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakazawa Y, Narimani Charan A, Naruki M, Natkaniec Z, Natochii A, Nayak L, Nazaryan G, Nisar NK, Nishida S, Ono H, Otani F, Oxford ER, Pakhlov P, Pakhlova G, Paladino A, Panta A, Paoloni E, Pardi S, Passeri A, Patra S, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Pham F, Piccolo M, Piilonen LE, Podobnik T, Pokharel S, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rados P, Raeuber G, Raiz S, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Roney JM, Rostomyan A, Rout N, Russo G, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schmitt C, Schwanda C, Schwartz AJ, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shan W, Shi XD, Shillington T, Shiu JG, Shtol D, Sibidanov A, Simon F, Sobie RJ, Sobotzik M, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stavroulakis P, Stottler ZS, Stroili R, Sumihama M, Svidras H, Takahashi M, Takizawa M, Tamponi U, Tanida K, Tenchini F, Tittel O, Tonelli D, Torassa E, Trabelsi K, Tsaklidis I, Unger K, Unno Y, Uno K, Uno S, Urquijo P, Ushiroda Y, Vahsen SE, van Tonder R, Varvell KE, Veronesi M, Vismaya VS, Vitale L, Volpe R, Wach B, Wallner S, Wang E, Wang MZ, Wang XL, Wang Z, Warburton A, Watanabe M, Wessel C, Won E, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Yoshihara K, Yuan CZ, Yusa Y, Zhang Y, Zhilich V, Zhou JS, Zhou QD, Zhukova VI, Žlebčík R. Precise Measurement of the D_{s}^{+} Lifetime at Belle II. Phys Rev Lett 2023; 131:171803. [PMID: 37955504 DOI: 10.1103/physrevlett.131.171803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/14/2023] [Indexed: 11/14/2023]
Abstract
We measure the lifetime of the D_{s}^{+} meson using a data sample of 207 fb^{-1} collected by the Belle II experiment running at the SuperKEKB asymmetric-energy e^{+}e^{-} collider. The lifetime is determined by fitting the decay-time distribution of a sample of 116×10^{3} D_{s}^{+}→ϕπ^{+} decays. Our result is τ_{D_{s}^{+}}=(499.5±1.7±0.9) fs, where the first uncertainty is statistical and the second is systematic. This result is significantly more precise than previous measurements.
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Adachi I, Adamczyk K, Aggarwal L, Ahmed H, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Aversano M, Babu V, Bae H, Bahinipati S, Bambade P, Banerjee S, Bansal S, Barrett M, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Behera PK, Bennett JV, Bernieri E, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhardwaj V, Bhuyan B, Bianchi F, Bilka T, Bilokin S, Biswas D, Bobrov A, Bodrov D, Bolz A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Cerasoli J, Chang MC, Chang P, Cheaib R, Cheema P, Chekelian V, Chen YQ, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cinabro D, Cochran J, Corona L, Cremaldi LM, Cunliffe S, Czank T, Das S, Dattola F, De La Cruz-Burelo E, De La Motte SA, de Marino G, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dossett D, Dreyer S, Dubey S, Dujany G, Ecker P, Eliachevitch M, Epifanov D, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finck C, Finocchiaro G, Fodor A, Forti F, Frey A, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Garmash A, Gaudino G, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Ghosh D, Ghumaryan H, Giakoustidis G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Gogota O, Goldenzweig P, Gradl W, Grammatico T, Granderath S, Graziani E, Greenwald D, Gruberová Z, Gu T, Guan Y, Gudkova K, Guilliams J, Halder S, Han Y, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Hedges MT, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hirata H, Hoek M, Hohmann M, Hsu CL, Humair T, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jaffe DE, Jang EJ, Ji QP, Jia S, Jin Y, Johnson A, Joo KK, Junkerkalefeld H, Kakuno H, Kaleta M, Kalita D, Kaliyar AB, Kandra J, Kang KH, Kang S, Karl R, Karyan G, Kawasaki T, Keil F, Ketter C, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kodyš P, Koga T, Kohani S, Kojima K, Konno T, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumar M, Kumar R, Kumara K, Kunigo T, Kuzmin A, Kwon YJ, Lacaprara S, Lai YT, Lam T, Lanceri L, Lange JS, Laurenza M, Lautenbach K, Leboucher R, Le Diberder FR, Leitl P, Levit D, Lewis PM, Li C, Li LK, Li YB, Libby J, Lieret K, Liu QY, Liu ZQ, Liventsev D, Longo S, Lozar A, Lueck T, Lyu C, Ma Y, Maggiora M, Maharana SP, Maiti R, Maity S, Manfredi R, Manoni E, Manthei AC, Mantovano M, Marcantonio D, Marcello S, Marinas C, Martel L, Martellini C, Martini A, Martinov T, Massaccesi L, Masuda M, Matsuda T, Matsuoka K, Matvienko D, Maurya SK, McKenna JA, Mehta R, Merola M, Metzner F, Milesi M, Miller C, Mirra M, Miyabayashi K, Miyake H, Mizuk R, Mohanty GB, Molina-Gonzalez N, Mondal S, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakamura KR, Nakao M, Nakayama H, Nakazawa H, Nakazawa Y, Narimani Charan A, Naruki M, Narwal D, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nazaryan G, Niebuhr C, Nisar NK, Nishida S, Ogawa S, Ono H, Onuki Y, Oskin P, Otani F, Pakhlov P, Pakhlova G, Paladino A, Panta A, Paoloni E, Pardi S, Parham K, Park J, Park SH, Paschen B, Passeri A, Patra S, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Pham F, Piccolo M, Piilonen LE, Pinna Angioni G, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raeuber G, Raiz S, Ramirez Morales A, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Rizzuto LB, Robertson SH, Rodríguez Pérez D, Roehrken M, Roney JM, Rostomyan A, Rout N, Russo G, Sahoo D, Sanders DA, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schnepf M, Schueler J, Schwanda C, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shan W, Sharma C, Shen CP, Shi XD, Shillington T, Shiu JG, Shtol D, Shwartz B, Sibidanov A, Simon F, Singh JB, Skorupa J, Sobie RJ, Sobotzik M, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stavroulakis P, Stefkova S, Stottler ZS, Stroili R, Strube J, Sue Y, Sumihama M, Sumisawa K, Sutcliffe W, Suzuki SY, Svidras H, Takahashi M, Takizawa M, Tamponi U, Tanaka S, Tanida K, Tanigawa H, Tenchini F, Thaller A, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Tsaklidis I, Uchida M, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Urquijo P, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Vinokurova A, Vismaya VS, Vitale L, Vobbilisetti V, Volpe R, Vossen A, Wach B, Wakai M, Wakeling HM, Wallner S, Wang E, Wang MZ, Wang XL, Wang Z, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Won E, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Ye H, Yelton J, Yin JH, Yook YM, Yoshihara K, Yuan CZ, Yusa Y, Zani L, Zhai Y, Zhang Y, Zhilich V, Zhou JS, Zhou QD, Zhou XY, Zhukova VI, Žlebčík R. Search for a τ^{+}τ^{-} Resonance in e^{+}e^{-}→μ^{+}μ^{-}τ^{+}τ^{-} Events with the Belle II Experiment. Phys Rev Lett 2023; 131:121802. [PMID: 37802942 DOI: 10.1103/physrevlett.131.121802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/08/2023] [Indexed: 10/08/2023]
Abstract
We report the first search for a nonstandard-model resonance decaying into τ pairs in e^{+}e^{-}→μ^{+}μ^{-}τ^{+}τ^{-} events in the 3.6-10 GeV/c^{2} mass range. We use a 62.8 fb^{-1} sample of e^{+}e^{-} collisions collected at a center-of-mass energy of 10.58 GeV by the Belle II experiment at the SuperKEKB collider. The analysis probes three different models predicting a spin-1 particle coupling only to the heavier lepton families, a Higgs-like spin-0 particle that couples preferentially to charged leptons (leptophilic scalar), and an axionlike particle, respectively. We observe no evidence for a signal and set exclusion limits at 90% confidence level on the product of cross section and branching fraction into τ pairs, ranging from 0.7 to 24 fb, and on the couplings of these processes. We obtain world-leading constraints on the couplings for the leptophilic scalar model for masses above 6.5 GeV/c^{2} and for the axionlike particle model over the entire mass range.
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Adachi I, Adamczyk K, Aggarwal L, Ahmed H, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Aversano M, Babu V, Bae H, Bahinipati S, Bambade P, Banerjee S, Barrett M, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Behera PK, Bennett JV, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhuyan B, Bianchi F, Bilka T, Biswas D, Bodrov D, Bondar A, Borah J, Bozek A, Bračko M, Branchini P, Briere RA, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Cerasoli J, Chang P, Cheaib R, Cheema P, Chekelian V, Chen C, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cochran J, Corona L, Cremaldi LM, Das S, Dattola F, De La Cruz-Burelo E, De La Motte SA, de Marino G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dreyer S, Dubey S, Dujany G, Ecker P, Eliachevitch M, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finck C, Finocchiaro G, Fodor A, Forti F, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Garg R, Garmash A, Gaudino G, Gaur V, Gaz A, Gellrich A, Ghosh D, Giakoustidis G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Goldenzweig P, Gradl W, Grammatico T, Granderath S, Graziani E, Greenwald D, Gruberová Z, Gu T, Guan Y, Gudkova K, Halder S, Han Y, Hara K, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Hedges MT, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hoek M, Hohmann M, Hsu CL, Humair T, Iijima T, Inami K, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jang EJ, Ji QP, Jia S, Jin Y, Johnson A, Joo KK, Junkerkalefeld H, Kaleta M, Kaliyar AB, Kandra J, Kang KH, Kang S, Kar S, Karyan G, Kawasaki T, Keil F, Ketter C, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kodyš P, Koga T, Kohani S, Kojima K, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumar M, Kumara K, Kunigo T, Kuzmin A, Kwon YJ, Lacaprara S, Lai YT, Lam T, Lange JS, Laurenza M, Leboucher R, Le Diberder FR, Leitl P, Levit D, Li C, Li LK, Libby J, Liu QY, Liu ZQ, Liventsev D, Longo S, Lueck T, Luo T, Lyu C, Ma Y, Maggiora M, Maharana SP, Maiti R, Maity S, Mancinelli G, Manfredi R, Manoni E, Mantovano M, Marcantonio D, Marcello S, Marinas C, Martel L, Martellini C, Martinov T, Massaccesi L, Masuda M, Matsuda T, Matsuoka K, Matvienko D, Maurya SK, McKenna JA, Mehta R, Meier F, Merola M, Metzner F, Milesi M, Miller C, Mirra M, Miyabayashi K, Mizuk R, Mohanty GB, Molina-Gonzalez N, Mondal S, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakazawa Y, Narimani Charan A, Naruki M, Natochii A, Nayak L, Nayak M, Nazaryan G, Nisar NK, Nishida S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Paladino A, Paoloni E, Pardi S, Parham K, Park H, Park SH, Passeri A, Patra S, Paul S, Pedlar TK, Peschke R, Pestotnik R, Pham F, Piccolo M, Piilonen LE, Podesta-Lerma PLM, Podobnik T, Pokharel S, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raeuber G, Raiz S, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Robertson SH, Roehrken M, Roney JM, Rostomyan A, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schmitt C, Schwanda C, Schwartz AJ, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shan W, Sharma C, Shi XD, Shillington T, Shiu JG, Shtol D, Sibidanov A, Simon F, Singh JB, Skorupa J, Sobie RJ, Sobotzik M, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stavroulakis P, Stefkova S, Stottler ZS, Stroili R, Sumihama M, Sumisawa K, Sutcliffe W, Svidras H, Takahashi M, Takizawa M, Tamponi U, Tanaka S, Tanida K, Tenchini F, Thaller A, Tittel O, Tiwary R, Tonelli D, Torassa E, Trabelsi K, Tsaklidis I, Uchida M, Ueda I, Uglov T, Unger K, Unno Y, Uno K, Uno S, Urquijo P, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Vinokurova A, Vismaya VS, Vitale L, Wach B, Wakai M, Wakeling HM, Wallner S, Wang E, Wang MZ, Wang Z, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Won E, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Yin JH, Yoshihara K, Yuan CZ, Yusa Y, Zani L, Zhang Y, Zhilich V, Zhou QD, Zhukova VI. Measurement of CP Violation in B^{0}→K_{S}^{0}π^{0} Decays at Belle II. Phys Rev Lett 2023; 131:111803. [PMID: 37774261 DOI: 10.1103/physrevlett.131.111803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/26/2023] [Indexed: 10/01/2023]
Abstract
We report a measurement of the CP-violating parameters C and S in B^{0}→K_{S}^{0}π^{0} decays at Belle II using a sample of 387×10^{6} BB[over ¯] events recorded in e^{+}e^{-} collisions at a center-of-mass energy corresponding to the ϒ(4S) resonance. These parameters are determined by fitting the proper decay-time distribution of a sample of 415 signal events. We obtain C=-0.04_{-0.15}^{+0.14}±0.05 and S=0.75_{-0.23}^{+0.20}±0.04, where the first uncertainties are statistical and the second are systematic.
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Chiba E, Sato N, Kimura Y, Shigemoto Y, Maki H, Arizono E, Hamamoto K, Taniguchi G, Iwasaki M, Ota M, Matsuda H, Nakagawa E. Double inversion recovery MRI of subcortical band heterotopia and its variations. J Neuroimaging 2023; 33:731-736. [PMID: 37355835 DOI: 10.1111/jon.13141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/10/2023] [Accepted: 06/14/2023] [Indexed: 06/26/2023] Open
Abstract
BACKGROUND AND PURPOSE Subcortical band heterotopia (SBH) is a malformation of cortical development diagnosed via MRI. Currently, patients with SBH are classified according to Di Donato's classification. We aimed to show a variation of SBH and the usefulness of double inversion recovery (DIR) images. METHODS We retrospectively reviewed the MRI findings of 28 patients with SBH. The patients were classified according to Donato's classification by using conventional MR images, and their DIR findings were reviewed. RESULTS Of 28 patients, 20 were grade 1 and 8 were grade 2 according to Di Donato's classification. In 15 of 28 patients, the following four types of atypical MRI findings were detected: asymmetry distribution (four cases), coexistence of thin and thick SBH (five cases), and DIR faint abnormal signal intensity in subcortical white matter (five cases) and in deep white matter (five cases). The latter two types were detected on DIR alone and have not been reported. Additionally, these were identified only in the mild group (Di Donato's classification 1-1 or 1-2). CONCLUSION DIR is a useful MRI sequence for detecting faint white matter signal abnormalities, and it can aid in the accurate classification of SBH and identification of its variations, which may reflect the pathology of SBH.
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Affiliation(s)
- Emiko Chiba
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Noriko Sato
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yukio Kimura
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yoko Shigemoto
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Hiroyuki Maki
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Elly Arizono
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kohei Hamamoto
- Department of Radiology, School of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Go Taniguchi
- Departments of Psychiatry, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Miho Ota
- Department of Neuropsychiatry, University of Tsukuba, Tsukuba, Japan
| | - Hiroshi Matsuda
- Department of Biofunctional Imaging, Fukushima Medical University, Fukushima, Japan
| | - Eiji Nakagawa
- Departments of Epileptology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
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Kimura Y, Iwasaki M. [Safe and Effective Management of Epilepsy in Pregnancy]. Brain Nerve 2023; 75:999-1003. [PMID: 37691240 DOI: 10.11477/mf.1416202462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
In women with epilepsy, antiepileptic drugs with low teratogenic risk should be used at the lowest dose necessary to control seizures. The medication adjustment and folic acid supplementation are started before pregnancy. Valproic acid should be avoided unless indispensable. Levetiracetam and lamotrigine are often used as less teratogenic agents. Moreover, appropriate information on possible changes in seizure frequency with pregnancy and childbirth preparation and breastfeeding should be provided. Generally, women taking antiepileptic drugs for epilepsy treatment may undergo natural delivery and breastfeeding. We should collaborate with obstetricians and other professionals to help ensure a safe environment for pregnancy and childbirth.
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Affiliation(s)
- Yuiko Kimura
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry
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Aggarwal L, Ahmed H, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Bae H, Bahinipati S, Bambade P, Banerjee S, Bansal S, Barrett M, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Bennett JV, Bernieri E, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhardwaj V, Bhuyan B, Bianchi F, Bilka T, Bilokin S, Biswas D, Bodrov D, Borah J, Bozek A, Bračko M, Briere RA, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Cerasoli J, Chang MC, Cheaib R, Cheema P, Chekelian V, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cochran J, Corona L, Cunliffe S, Dattola F, De La Cruz-Burelo E, De La Motte SA, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong TV, Dorigo M, Dossett D, Dreyer S, Dubey S, Dujany G, Ecker P, Eliachevitch M, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finocchiaro G, Fodor A, Forti F, Frey A, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Gaudino G, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Goldenzweig P, Gradl W, Grammatico T, Granderath S, Graziani E, Gruberová Z, Gu T, Gudkova K, Halder S, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Hedges MT, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hohmann M, Hsu CL, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jacobs WW, Jang EJ, Ji QP, Jia S, Jin Y, Junkerkalefeld H, Kaleta M, Kaliyar AB, Karyan G, Kawasaki T, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Kohani S, Kojima K, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Križan P, Krokovny P, Kumar J, Kumar R, Kumara K, Kuzmin A, Kwon YJ, Lacaprara S, Lange JS, Laurenza M, Leboucher R, Le Diberder FR, Levit D, Lewis PM, Li LK, Libby J, Liptak Z, Liu QY, Liu ZQ, Liventsev D, Longo S, Lueck T, Lyu C, Ma Y, Maggiora M, Maharana SP, Maiti R, Maity S, Manfredi R, Manoni E, Manthei AC, Mantovano M, Marinas C, Martel L, Martellini C, Martini A, Massaccesi L, Masuda M, Matsuoka K, Matvienko D, Maurya SK, McKenna JA, Meier F, Merola M, Metzner F, Milesi M, Miller C, Miyabayashi K, Mizuk R, Mohanty GB, Moneta S, Mrvar M, Mussa R, Nakamura I, Nakamura KR, Nakao M, Nakazawa Y, Narimani Charan A, Naruki M, Narwal D, Natochii A, Nayak L, Nazaryan G, Nisar NK, Nishida S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Paladino A, Panta A, Pardi S, Park H, Park J, Paschen B, Passeri A, Patra S, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Piilonen LE, Pinna Angioni G, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raeuber G, Reif M, Reiter S, Ripp-Baudot I, Rizzo G, Rizzuto LB, Rocchetti P, Roney JM, Rostomyan A, Rout N, Sanders DA, Sandilya S, Sangal A, Santelj L, Sato Y, Scavino B, Schwanda C, Seino Y, Selce A, Senyo K, Sevior ME, Sfienti C, Shan W, Sharma C, Shen CP, Shillington T, Shiu JG, Simon F, Singh JB, Skorupa J, Sobie RJ, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stefkova S, Stroili R, Sue Y, Sumihama M, Sutcliffe W, Suzuki SY, Svidras H, Takizawa M, Tamponi U, Tanida K, Taniguchi N, Tenchini F, Tiwary R, Tonelli D, Torassa E, Trabelsi K, Tsaklidis I, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Urquijo P, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Vinokurova A, Vismaya VS, Vitale L, Vossen A, Wallner S, Wang E, Wang MZ, Wang XL, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Won E, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Ye H, Yin JH, Yook YM, Yoshihara K, Zhai Y, Zhang Y, Zhilich V, Zhou QD, Zhou XY, Zhukova VI, Žlebčík R. Test of Light-Lepton Universality in the Rates of Inclusive Semileptonic B-Meson Decays at Belle II. Phys Rev Lett 2023; 131:051804. [PMID: 37595249 DOI: 10.1103/physrevlett.131.051804] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/03/2023] [Accepted: 05/11/2023] [Indexed: 08/20/2023]
Abstract
We present the first measurement of the ratio of branching fractions of inclusive semileptonic B-meson decays, R(X_{e/μ})=B(B→Xeν)/B(B→Xμν), a precision test of electron-muon universality, using data corresponding to 189 fb^{-1} from electron-positron collisions collected with the Belle II detector. In events where the partner B meson is fully reconstructed, we use fits to the lepton momentum spectra above 1.3 GeV/c to obtain R(X_{e/μ})=1.007±0.009(stat)±0.019(syst), which is the most precise lepton-universality test of its kind and agrees with the standard-model expectation.
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Ikewaki N, Sonoda T, Kurosawa G, Iwasaki M, Devaprasad Dedeepiya V, Senthilkumar R, Preethy S, Abraham S. Beta 1,3-1,6 Glucans Produced by Two Novel Strains of Aureobasidium Pullulans Exert Immune and Metabolic Beneficial Effects in Healthy Middle-aged Japanese Men: Results of an Exploratory Randomized Control Study. JAR Life 2023; 12:61-71. [PMID: 37637272 PMCID: PMC10457473 DOI: 10.14283/jarlife.2023.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/13/2023] [Indexed: 08/29/2023]
Abstract
Objectives In this pilot study, we have evaluated the specific metabolic and immune-related benefits of the AFO-202 strain and N-163 strain of black yeast Aureobasidium pullulans-produced beta 1,3-1,6 glucan in healthy human subjects. Methods Sixteen healthy Japanese male volunteers (aged 40 to 60 years) took part in this clinical trial. They were divided into four groups (n = 4 each): Group I consumed AFO-202 beta-glucan (2 sachets of 1 g each per day), IA for 35 days and IB for 21 days; Group II consumed a combination of AFO-202 beta-glucan (2 sachets of 1 g each) and N-163 beta-glucan (1 sachet of 15 g gel each per day), IIA for 35 days and IIB for 21 days. Results Decrease in HbA1C and glycated albumin (GA), significant increase of eosinophils and monocytes and marginal decrease in D-dimer levels, decrease in neutrophil-to-lymphocyte ratio (NLR), with an increase in the lymphocyte-to-CRP ratio (LCR) and leukocyte-to-CRP ratio (LeCR) was observed in Group I between pre- and post-treatment. Decrease in total and LDL cholesterol, a decrease of CD11b, serum ferritin, galectin-3 and fibrinogen were profound in Group II between pre- and post-treatment. However, there was no statistically significant difference between day 21 and day 35 among the groups. Conclusion This outcome warrants larger clinical trials to explore the potentials of these safe food supplements in the prevention and prophylaxis of diseases due to dysregulated metabolism, such as fatty liver disease, and infections such as COVID-19 in which balanced immunomodulation are of utmost importance, besides their administration as an adjunct to existing therapeutic approaches of both communicable and non-communicable diseases.
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Affiliation(s)
- N. Ikewaki
- Dept. of Medical Life Science, Kyushu University of Health and Welfare, Japan
- Institute of Immunology, Junsei Educational Institute, Nobeoka, Miyazaki, Japan
| | - T. Sonoda
- Institute of Immunology, Junsei Educational Institute, Nobeoka, Miyazaki, Japan
| | - G. Kurosawa
- Department of Academic Research Support Promotion Facility, Center for Research Promotion and Support, Fujita Health University, Aichi, Japan
- MabGenesis KK, Nagoya, Japan
| | - M. Iwasaki
- Centre for Advancing Clinical Research (CACR), University of Yamanashi - School of Medicine, Chuo, Japan
| | - V. Devaprasad Dedeepiya
- Mary-Yoshio Translational Hexagon (MYTH), Nichi-In Centre for Regenerative Medicine (NCRM), Chennai, India
| | - R. Senthilkumar
- Fujio-Eiji Academic Terrain (FEAT), Nichi-In Centre for Regenerative Medicine (NCRM), Chennai, India
- Antony- Xavier Interdisciplinary Scholastics (AXIS), GN Corporation Co. Ltd., Kofu, Japan
| | - S. Preethy
- Fujio-Eiji Academic Terrain (FEAT), Nichi-In Centre for Regenerative Medicine (NCRM), Chennai, India
| | - S.J.K. Abraham
- Centre for Advancing Clinical Research (CACR), University of Yamanashi - School of Medicine, Chuo, Japan
- Mary-Yoshio Translational Hexagon (MYTH), Nichi-In Centre for Regenerative Medicine (NCRM), Chennai, India
- Antony- Xavier Interdisciplinary Scholastics (AXIS), GN Corporation Co. Ltd., Kofu, Japan
- R & D, Sophy Inc., Japan
- Levy-Jurgen Transdisciplinary Exploratory (LJTE), Global Niche Corp, Wilmington, DE, USA
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Bodrov D, Pakhlov P, Adachi I, Aihara H, Said SA, Asner DM, Atmacan H, Aushev T, Ayad R, Babu V, Banerjee S, Behera P, Belous K, Bennett J, Bessner M, Bhuyan B, Bilka T, Biswas D, Bobrov A, Bondar A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang MC, Cheon BG, Chilikin K, Cho HE, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong TV, Epifanov D, Ferber T, Ferlewicz D, Fulsom BG, Gaur V, Garmash A, Giri A, Goldenzweig P, Graziani E, Greenwald D, Gu T, Guan Y, Gudkova K, Hadjivasiliou C, Halder S, Hayasaka K, Hayashii H, Hedges MT, Herrmann D, Hou WS, Hsu CL, Iijima T, Inami K, Ipsita N, Ishikawa A, Itoh R, Iwasaki M, Jacobs WW, Jang EJ, Ji QP, Jia S, Jin Y, Joo KK, Kalita D, Kaliyar AB, Kawasaki T, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Korpar S, Križan P, Krokovny P, Kuhr T, Kumar M, Kumar R, Kumara K, Kwon YJ, Lange JS, Lee SC, Li J, Li LK, Libby J, Lieret K, Lin YR, Liventsev D, Luo T, Ma Y, Masuda M, Matsuda T, Maurya SK, Meier F, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty GB, Mussa R, Nakao M, Narwal D, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar NK, Nishida S, Ogawa S, Oskin P, Pakhlova G, Pardi S, Park H, Park J, Park SH, Passeri A, Patra S, Paul S, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rabusov A, Rout N, Russo G, Sandilya S, Sangal A, Santelj L, Savinov V, Schnell G, Schwanda C, Seino Y, Senyo K, Shan W, Shapkin M, Sharma C, Shiu JG, Singh JB, Sokolov A, Solovieva E, Starič M, Stottler ZS, Sumihama M, Takizawa M, Tamponi U, Tanida K, Tenchini F, Tiwary R, Trabelsi K, Uchida M, Uglov T, Unno Y, Uno K, Uno S, Vahsen SE, Varner G, Vinokurova A, Vossen A, Wang D, Wang E, Wang MZ, Watanuki S, Werbycka O, Xu X, Yabsley BD, Yan W, Yang SB, Yelton J, Yin JH, Yuan CZ, Yusa Y, Zhang ZP, Zhilich V, Zhukova V. First Measurement of the Michel Parameter ξ^{'} in the τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} Decay at Belle. Phys Rev Lett 2023; 131:021801. [PMID: 37505960 DOI: 10.1103/physrevlett.131.021801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 06/06/2023] [Indexed: 07/30/2023]
Abstract
We report the first measurement of the Michel parameter ξ^{'} in the τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} decay with a new method proposed just recently. The measurement is based on the reconstruction of the τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} events with subsequent muon decay in flight in the Belle central drift chamber. The analyzed data sample of 988 fb^{-1} collected by the Belle detector corresponds to approximately 912×10^{6} τ^{+}τ^{-} pairs. We measure ξ^{'}=0.22±0.94(stat)±0.42(syst), which is in agreement with the standard model prediction of ξ^{'}=1. Statistical uncertainty dominates in this study, being a limiting factor, while systematic uncertainty is well under control. Our analysis proved the practicability of this promising method and its prospects for further precise measurement in future experiments.
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Watanuki S, de Marino G, Trabelsi K, Adachi I, Aihara H, Asner DM, Atmacan H, Aulchenko V, Aushev T, Ayad R, Babu V, Banerjee S, Bauer M, Behera P, Belous K, Bessner M, Bhardwaj V, Bhuyan B, Biswas D, Bodrov D, Bonvicini G, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Cao L, Červenkov D, Chang MC, Cheon BG, Chilikin K, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dong TV, Epifanov D, Ferber T, Ferlewicz D, Fulsom BG, Garg R, Gaur V, Garmash A, Giri A, Goldenzweig P, Graziani E, Gu T, Guan Y, Gudkova K, Hadjivasiliou C, Halder S, Han X, Hara T, Hayasaka K, Hayashii H, Herrmann D, Hou WS, Hsu CL, Inami K, Inguglia G, Ipsita N, Ishikawa A, Itoh R, Iwasaki M, Jacobs WW, Ji QP, Jia S, Jin Y, Joo KK, Kaliyar AB, Kichimi H, Kim CH, Kim DY, Kim KH, Kim YK, Kinoshita K, Kodyš P, Korobov A, Korpar S, Kovalenko E, Križan P, Krokovny P, Kuhr T, Kumar M, Kumara K, Kuzmin A, Kwon YJ, Lange JS, Laurenza M, Lee SC, Lewis P, Li LK, Li Y, Li Gioi L, Libby J, Lin YR, Liventsev D, Matsuda T, Maurya SK, Meier F, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty GB, Nakao M, Nayak L, Nayak M, Nisar NK, Nishida S, Ono H, Oskin P, Pakhlova G, Pardi S, Park H, Park J, Park SH, Passeri A, Pedlar TK, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Röhrken M, Rout N, Russo G, Sandilya S, Sangal A, Santelj L, Savinov V, Schnell G, Schwanda C, Seino Y, Senyo K, Sevior ME, Shan W, Shapkin M, Shiu JG, Shwartz B, Simon F, Solovieva E, Starič M, Sumihama M, Sumiyoshi T, Takizawa M, Tanida K, Tenchini F, Uchida M, Uglov T, Unno Y, Uno K, Uno S, van Tonder R, Varner G, Varvell KE, Wang D, Wang E, Wang MZ, Won E, Xu X, Yabsley BD, Yan W, Yang SB, Yelton J, Yusa Y, Zhang ZP, Zhilich V, Zhukova V. Search for the Lepton Flavor Violating Decays B^{+}→K^{+}τ^{±}ℓ^{∓} (ℓ=e, μ) at Belle. Phys Rev Lett 2023; 130:261802. [PMID: 37450824 DOI: 10.1103/physrevlett.130.261802] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 05/04/2023] [Indexed: 07/18/2023]
Abstract
We present a search for the lepton flavor violating decays B^{+}→K^{+}τ^{±}ℓ^{∓}, with ℓ=(e,μ), using the full data sample of 772×10^{6} BB[over ¯] pairs recorded by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We use events in which one B meson is fully reconstructed in a hadronic decay mode. We find no evidence for B^{±}→K^{±}τℓ decays and set upper limits on their branching fractions at the 90% confidence level in the (1-3)×10^{-5} range. The obtained limits are the world's best results.
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Shimizu Y, Inoue M, Yasuda N, Yamagishi K, Iwasaki M, Tsugane S, Sawada N. Bowel movement frequency, stool consistency, and risk of disabling dementia: a population-based cohort study in Japan. Public Health 2023; 221:31-38. [PMID: 37392635 DOI: 10.1016/j.puhe.2023.05.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 07/03/2023]
Abstract
OBJECTIVES This population-based study aimed to evaluate the association between bowel habits from midlife and dementia. STUDY DESIGN This was a cohort study using certification records for national long-term care insurance in Japan. METHODS Participants aged 50 to 79 years who reported bowel habits from eight districts within the Japan Public Health Center-based Prospective Study (JPHC Study) were followed from 2006 to 2016 for incident dementia. Hazard ratio (HR) and 95% confidence interval (CI) were estimated for men and women separately using Cox proportional hazards models accounting for various lifestyle factors and medical histories. RESULTS Among 19,396 men and 22,859 women, 1889 men and 2685 women were diagnosed with dementia. In men, the multivariable-adjusted HRs compared with bowel movement frequency (BMF) of once/day were 1.00 (95% CI: 0.87-1.14) for twice/day or more, 1.38 (1.16-1.65) for 5-6 times/week, 1.46 (1.18-1.80) for 3-4 times/week, and 1.79 (1.34-2.39) for <3 times/week (P for trend <0.001). In women, the corresponding HRs were 1.14 (0.998-1.31), 1.03 (0.91-1.17), 1.16 (1.01-1.33), and 1.29 (1.08-1.55) (P for trend = 0.043). Harder stool was associated with higher risk (P for trend: 0.0030 for men and 0.024 for women), with adjusted HRs compared to normal stool of 1.30 (1.08-1.57) for hard stool and 2.18 (1.23-3.85) for very hard stool in men, and 1.15 (1.002-1.32) and 1.84 (1.29-2.63) in women. CONCLUSIONS Lower BMF and harder stool were each associated with higher risk of dementia.
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Affiliation(s)
- Y Shimizu
- Division of Epidemiology, National Cancer Center Institute for Cancer Control, Tokyo, Japan
| | - M Inoue
- Division of Cohort Research, National Cancer Center Institute for Cancer Control, Tokyo, Japan; Division of Prevention, National Cancer Center Institute for Cancer Control, Tokyo, Japan
| | - N Yasuda
- Department of Public Health, Kochi University Medical School, Kochi, Japan
| | - K Yamagishi
- Department of Public Health Medicine, Faculty of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
| | - M Iwasaki
- Division of Epidemiology, National Cancer Center Institute for Cancer Control, Tokyo, Japan; Division of Cohort Research, National Cancer Center Institute for Cancer Control, Tokyo, Japan
| | - S Tsugane
- Division of Cohort Research, National Cancer Center Institute for Cancer Control, Tokyo, Japan; National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan
| | - N Sawada
- Division of Cohort Research, National Cancer Center Institute for Cancer Control, Tokyo, Japan.
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Adachi I, Adamczyk K, Aggarwal L, Ahmed H, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Aushev T, Aushev V, Bae H, Bahinipati S, Bambade P, Banerjee S, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Behera PK, Bennett JV, Bernieri E, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhuyan B, Bianchi F, Bilka T, Biswas D, Bodrov D, Bolz A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Chang MC, Chang P, Cheaib R, Cheema P, Chekelian V, Chen C, Chen YQ, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cinabro D, Corona L, Cunliffe S, Das S, Dattola F, De La Cruz-Burelo E, De La Motte SA, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dossett D, Dreyer S, Dubey S, Dujany G, Ecker P, Eliachevitch M, Epifanov D, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finck C, Finocchiaro G, Fodor A, Forti F, Fulsom BG, Ganiev E, Garcia-Hernandez M, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Goldenzweig P, Granderath S, Graziani E, Greenwald D, Gruberová Z, Gu T, Gudkova K, Guilliams J, Haigh H, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hohmann M, Hsu CL, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jaffe DE, Jang EJ, Ji QP, Jia S, Jin Y, Joo KK, Junkerkalefeld H, Kakuno H, Kaliyar AB, Kang KH, Kang S, Karl R, Karyan G, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Koga T, Kohani S, Kojima K, Konno T, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumara K, Kunigo T, Kuzmin A, Kwon YJ, Lacaprara S, Lam T, Lanceri L, Lange JS, Laurenza M, Lautenbach K, Leboucher R, Le Diberder FR, Leitl P, Li C, Li LK, Libby J, Lieret K, Liptak Z, Liu QY, Liventsev D, Longo S, Lozar A, Lueck T, Luo T, Lyu C, Maggiora M, Maiti R, Maity S, Manfredi R, Manoni E, Marcello S, Marinas C, Martel L, Martini A, Martinov T, Massaccesi L, Masuda M, Matsuoka K, Matvienko D, Maurya SK, McKenna JA, Meier F, Merola M, Metzner F, Milesi M, Miller C, Miyabayashi K, Mizuk R, Mohanty GB, Molina-Gonzalez N, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakamura KR, Nakao M, Nakayama H, Nakazawa Y, Narimani Charan A, Naruki M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nazaryan G, Nisar NK, Nishida S, Ogawa S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Paladino A, Panta A, Paoloni E, Pardi S, Parham K, Park H, Park SH, Paschen B, Passeri A, Patra S, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Piccolo M, Piilonen LE, Pinna Angioni G, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raeuber G, Raiz S, Ramirez Morales A, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Robertson SH, Rodríguez Pérez D, Roney JM, Rostomyan A, Rout N, Russo G, Sanders DA, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schueler J, Schwanda C, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shen CP, Shillington T, Shiu JG, Sibidanov A, Simon F, Singh JB, Skorupa J, Sobie RJ, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stefkova S, Stottler ZS, Stroili R, Strube J, Sue Y, Sumihama M, Sumisawa K, Sutcliffe W, Suzuki SY, Svidras H, Takizawa M, Tamponi U, Tanida K, Tanigawa H, Taniguchi N, Tenchini F, Thaller A, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Uchida M, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Ushiroda Y, Vahsen SE, van Tonder R, Varvell KE, Vinokurova A, Vitale L, Vobbilisetti V, Wakeling HM, Wang E, Wang MZ, Wang XL, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Ye H, Yin JH, Yook YM, Yoshihara K, Yuan CZ, Yusa Y, Zani L, Zhang Y, Zhilich V, Zhou QD, Zhou XY, Zhukova VI, Žlebčík R. Search for an Invisible Z^{'} in a Final State with Two Muons and Missing Energy at Belle II. Phys Rev Lett 2023; 130:231801. [PMID: 37354391 DOI: 10.1103/physrevlett.130.231801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 04/19/2023] [Indexed: 06/26/2023]
Abstract
The L_{μ}-L_{τ} extension of the standard model predicts the existence of a lepton-flavor-universality-violating Z^{'} boson that couples only to the heavier lepton families. We search for such a Z^{'} through its invisible decay in the process e^{+}e^{-}→μ^{+}μ^{-}Z^{'}. We use a sample of electron-positron collisions at a center-of-mass energy of 10.58 GeV collected by the Belle II experiment in 2019-2020, corresponding to an integrated luminosity of 79.7 fb^{-1}. We find no excess over the expected standard-model background. We set 90%-confidence-level upper limits on the cross section for this process as well as on the coupling of the model, which ranges from 3×10^{-3} at low Z^{'} masses to 1 at Z^{'} masses of 8 GeV/c^{2}.
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Lai YT, Adachi I, Aihara H, Al Said S, Asner DM, Atmacan H, Aulchenko V, Aushev T, Ayad R, Babu V, Bahinipati S, Behera P, Belous K, Bennett J, Bessner M, Bhuyan B, Bilka T, Bobrov A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang MC, Chang P, Chekelian V, Chen A, Cheon BG, Chilikin K, Cho HE, Cho K, Cho SJ, Choi SK, Choi Y, Cinabro D, Cunliffe S, Czank T, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong TV, Ferber T, Fulsom BG, Garg R, Gaur V, Gabyshev N, Giri A, Goldenzweig P, Graziani E, Gu T, Guan Y, Gudkova K, Hadjivasiliou C, Halder S, Hartbrich O, Hayasaka K, Hayashii H, Higuchi T, Hou WS, Hsu CL, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jang EJ, Jia S, Jin Y, Kaliyar AB, Kang KH, Kim CH, Kim DY, Kim KH, Kim YK, Kinoshita K, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Krokovny P, Kumar M, Kumar R, Kumara K, Kuzmin A, Kwon YJ, Lam T, Lange JS, Laurenza M, Lee SC, Levit D, Li J, Li LK, Li YB, Li Gioi L, Libby J, Lieret K, Liventsev D, Martini A, Masuda M, Matvienko D, Meier F, Merola M, Metzner F, Mizuk R, Mohanty GB, Moon TJ, Mrvar M, Mussa R, Nakao M, Natochii A, Nayak L, Nisar NK, Nishida S, Ogawa S, Pakhlova G, Pang T, Pardi S, Park H, Park SH, Passeri A, Patra S, Paul S, Pedlar TK, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rostomyan A, Rout N, Russo G, Sahoo D, Sakai Y, Sandilya S, Sangal A, Santelj L, Sanuki T, Savinov V, Schnell G, Schueler J, Schwanda C, Seino Y, Senyo K, Sevior ME, Shapkin M, Sharma C, Shen CP, Shiu JG, Singh JB, Sokolov A, Solovieva E, Starič M, Stottler ZS, Strube JF, Sumihama M, Sumisawa K, Sutcliffe W, Takizawa M, Tamponi U, Tanida K, Tenchini F, Trabelsi K, Uglov T, Unno Y, Uno K, Uno S, Urquijo P, van Tonder R, Varner G, Varvell KE, Vinokurova A, Vossen A, Waheed E, Wang CH, Wang XL, Watanabe M, Watanuki S, Won E, Yabsley BD, Yan W, Yang SB, Ye H, Yelton J, Zhai Y, Zhang ZP, Zhilich V, Zhukova V. First Measurement of the B^{+}→π^{+}π^{0}π^{0} Branching Fraction and CP Asymmetry. Phys Rev Lett 2023; 130:181804. [PMID: 37204904 DOI: 10.1103/physrevlett.130.181804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 03/27/2023] [Indexed: 05/21/2023]
Abstract
We study B^{+}→π^{+}π^{0}π^{0} using 711 fb^{-1} of data collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We measure an inclusive branching fraction of (19.0±1.5±1.4)×10^{-6} and an inclusive CP asymmetry of (9.2±6.8±0.7)%, where the first uncertainties are statistical and the second are systematic, and a B^{+}→ρ(770)^{+}π^{0} branching fraction of (11.2±1.1±0.9_{-1.6}^{+0.8})×10^{-6}, where the third uncertainty is due to possible interference with B^{+}→ρ(1450)^{+}π^{0}. We present the first observation of a structure around 1 GeV/c^{2} in the π^{0}π^{0} mass spectrum, with a significance of 6.4σ, and measure a branching fraction to be (6.9±0.9±0.6)×10^{-6}. We also report a measurement of local CP asymmetry in this structure.
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Adachi I, Adamczyk K, Aggarwal L, Ahmed H, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Aushev T, Aushev V, Bae H, Bahinipati S, Bambade P, Banerjee S, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Behera PK, Bennett JV, Bernieri E, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhuyan B, Bianchi F, Bilka T, Bilokin S, Biswas D, Bodrov D, Bolz A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Chang MC, Chang P, Cheaib R, Cheema P, Chekelian V, Chen YQ, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cinabro D, Corona L, Cunliffe S, Das S, Dattola F, De La Cruz-Burelo E, De La Motte SA, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dossett D, Dreyer S, Dubey S, Dujany G, Ecker P, Eliachevitch M, Epifanov D, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finck C, Finocchiaro G, Flood K, Fodor A, Forti F, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Goldenzweig P, Gradl W, Granderath S, Graziani E, Greenwald D, Gruberová Z, Gu T, Gudkova K, Guilliams J, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hohmann M, Hsu CL, Humair T, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jaffe DE, Jang EJ, Ji QP, Jia S, Jin Y, Joo KK, Junkerkalefeld H, Kakuno H, Kaliyar AB, Kandra J, Kang KH, Kang S, Karl R, Karyan G, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Koga T, Kohani S, Kojima K, Konno T, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumar R, Kumara K, Kunigo T, Kuzmin A, Kwon YJ, Lacaprara S, Lam T, Lanceri L, Lange JS, Laurenza M, Lautenbach K, Leboucher R, Le Diberder FR, Leitl P, Lewis PM, Li C, Li LK, Li YB, Libby J, Lieret K, Liptak Z, Liu QY, Liventsev D, Longo S, Lozar A, Lueck T, Luo T, Lyu C, Maggiora M, Maiti R, Maity S, Manfredi R, Manoni E, Manthei A, Marcello S, Marinas C, Martel L, Martini A, Martinov T, Massaccesi L, Masuda M, Matsuda T, Matsuoka K, Matvienko D, Maurya SK, McKenna JA, Meier F, Merola M, Metzner F, Milesi M, Miller C, Miyabayashi K, Mizuk R, Mohanty GB, Molina-Gonzalez N, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakamura KR, Nakao M, Nakayama H, Nakazawa Y, Narimani Charan A, Naruki M, Natochii A, Nayak L, Nayak M, Nazaryan G, Niebuhr C, Nisar NK, Nishida S, Ogawa S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Paladino A, Panta A, Paoloni E, Pardi S, Parham K, Park H, Park SH, Paschen B, Passeri A, Patra S, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Pham F, Piccolo M, Piilonen LE, Pinna Angioni G, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raeuber G, Raiz S, Ramirez Morales A, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Robertson SH, Rodríguez Pérez D, Roney JM, Rostomyan A, Rout N, Russo G, Sanders DA, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schueler J, Schwanda C, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shen CP, Shi XD, Shillington T, Shiu JG, Shwartz B, Sibidanov A, Simon F, Singh JB, Skorupa J, Sobie RJ, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stefkova S, Stottler ZS, Stroili R, Strube J, Sue Y, Sumihama M, Sumisawa K, Sutcliffe W, Suzuki SY, Svidras H, Takizawa M, Tamponi U, Tanida K, Tanigawa H, Tenchini F, Thaller A, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Uchida M, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Vinokurova A, Vitale L, Vobbilisetti V, Wakeling HM, Wang E, Wang MZ, Wang XL, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Wiechczynski J, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Ye H, Yelton J, Yin JH, Yook YM, Yoshihara K, Yuan CZ, Yusa Y, Zani L, Zhang Y, Zhilich V, Zhou QD, Zhou XY, Zhukova VI, Žlebčík R. Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II. Phys Rev Lett 2023; 130:181803. [PMID: 37204890 DOI: 10.1103/physrevlett.130.181803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/23/2023] [Indexed: 05/21/2023]
Abstract
We search for lepton-flavor-violating τ^{-}→e^{-}α and τ^{-}→μ^{-}α decays, where α is an invisible spin-0 boson. The search uses electron-positron collisions at 10.58 GeV center-of-mass energy with an integrated luminosity of 62.8 fb^{-1}, produced by the SuperKEKB collider and collected with the Belle II detector. We search for an excess in the lepton-energy spectrum of the known τ^{-}→e^{-}ν[over ¯]_{e}ν_{τ} and τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ} decays. We report 95% confidence-level upper limits on the branching-fraction ratio B(τ^{-}→e^{-}α)/B(τ^{-}→e^{-}ν[over ¯]_{e}ν_{τ}) in the range (1.1-9.7)×10^{-3} and on B(τ^{-}→μ^{-}α)/B(τ^{-}→μ^{-}ν[over ¯]_{μ}ν_{τ}) in the range (0.7-12.2)×10^{-3} for α masses between 0 and 1.6 GeV/c^{2}. These results provide the most stringent bounds on invisible boson production from τ decays.
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Ma Y, Yelton J, Tanida K, Adachi I, Ahn JK, Aihara H, Al Said S, Asner DM, Atmacan H, Aushev T, Ayad R, Babu V, Bahinipati S, Banerjee S, Behera P, Belous K, Bennett J, Bessner M, Bhuyan B, Bilka T, Biswas D, Bobrov A, Bodrov D, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang MC, Chen A, Cheon BG, Chilikin K, Cho HE, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong TV, Epifanov D, Ferber T, Ferlewicz D, Fulsom BG, Garg R, Gaur V, Garmash A, Giri A, Goldenzweig P, Golob B, Graziani E, Gudkova K, Hadjivasiliou C, Halder S, Hayasaka K, Hayashii H, Hedges MT, Hou WS, Hsu CL, Inami K, Ipsita N, Ishikawa A, Itoh R, Iwasaki M, Jacobs WW, Jang EJ, Jia S, Jin Y, Kaliyar AB, Kang KH, Kawasaki T, Kiesling C, Kim CH, Kim DY, Kim YK, Kinoshita K, Kodyš P, Korobov A, Korpar S, Kovalenko E, Križan P, Krokovny P, Kumar R, Kumara K, Kwon YJ, Lam T, Lange JS, Lee SC, Lewis P, Li LK, Li Y, Li Gioi L, Libby J, Lieret K, Lin YR, Liventsev D, Luo T, Masuda M, Matsuda T, Matvienko D, Maurya SK, Meier F, Merola M, Metzner F, Miyabayashi K, Mohanty GB, Mussa R, Nakamura I, Nakano T, Nakao M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar NK, Nishida S, Ogawa S, Ono H, Oskin P, Pakhlov P, Pakhlova G, Pardi S, Park H, Park J, Patra S, Paul S, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rostomyan A, Rout N, Russo G, Sandilya S, Santelj L, Savinov V, Schnell G, Schueler J, Schwanda C, Seino Y, Senyo K, Sevior ME, Shan W, Shapkin M, Sharma C, Shen CP, Shiu JG, Simon F, Sokolov A, Solovieva E, Starič M, Sumihama M, Sumiyoshi T, Sutcliffe W, Takizawa M, Tamponi U, Tenchini F, Uchida M, Uehara S, Uglov T, Unno Y, Uno K, Uno S, Urquijo P, Usov Y, Vahsen SE, van Tonder R, Varner G, Vinokurova A, Vossen A, Wang D, Wang MZ, Watanabe M, Watanuki S, Werbycka O, Won E, Xu X, Yabsley BD, Yan W, Yang SB, Yin JH, Yuan CZ, Yuan L, Zhang ZP, Zhilich V, Zhukova V. First Observation of Λπ^{+} and Λπ^{-} Signals near the K[over ¯]N(I=1) Mass Threshold in Λ_{c}^{+}→Λπ^{+}π^{+}π^{-} Decay. Phys Rev Lett 2023; 130:151903. [PMID: 37115880 DOI: 10.1103/physrevlett.130.151903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 03/15/2023] [Indexed: 06/19/2023]
Abstract
Using the data sample of 980 fb^{-1} collected with the Belle detector operating at the KEKB asymmetric-energy e^{+}e^{-} collider, we present the results of an investigation of the Λπ^{+} and Λπ^{-} invariant mass distributions looking for substructure in the decay Λ_{c}^{+}→Λπ^{+}π^{+}π^{-}. We find a significant signal in each mass distribution. When interpreted as resonances, we find for the Λπ^{+} (Λπ^{-}) combination a mass of 1434.3±0.6(stat)±0.9(syst) MeV/c^{2} [1438.5±0.9(stat)±2.5(syst) MeV/c^{2}], an intrinsic width of 11.5±2.8(stat)±5.3(syst) MeV/c^{2} [33.0±7.5(stat)±23.6(syst) MeV/c^{2}] with a significance of 7.5σ (6.2σ). As these two signals are very close to the K[over ¯]N threshold, we also investigate the possibility of a K[over ¯]N cusp, and find that we cannot discriminate between these two interpretations due to the limited size of the data sample.
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Eiro T, Miyazaki T, Hatano M, Nakajima W, Arisawa T, Takada Y, Kimura K, Sano A, Nakano K, Mihara T, Takayama Y, Ikegaya N, Iwasaki M, Hishimoto A, Noda Y, Miyazaki T, Uchida H, Tani H, Nagai N, Koizumi T, Nakajima S, Mimura M, Matsuda N, Kanai K, Takahashi K, Ito H, Hirano Y, Kimura Y, Matsumoto R, Ikeda A, Takahashi T. Dynamics of AMPA receptors regulate epileptogenesis in patients with epilepsy. Cell Rep Med 2023; 4:101020. [PMID: 37080205 DOI: 10.1016/j.xcrm.2023.101020] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/08/2023] [Accepted: 03/22/2023] [Indexed: 04/22/2023]
Abstract
The excitatory glutamate α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptors (AMPARs) contribute to epileptogenesis. Thirty patients with epilepsy and 31 healthy controls are scanned using positron emission tomography with our recently developed radiotracer for AMPARs, [11C]K-2, which measures the density of cell-surface AMPARs. In patients with focal-onset seizures, an increase in AMPAR trafficking augments the amplitude of abnormal gamma activity detected by electroencephalography. In contrast, patients with generalized-onset seizures exhibit a decrease in AMPARs coupled with increased amplitude of abnormal gamma activity. Patients with epilepsy had reduced AMPAR levels compared with healthy controls, and AMPARs are reduced in larger areas of the cortex in patients with generalized-onset seizures compared with those with focal-onset seizures. Thus, epileptic brain function can be regulated by the enhanced trafficking of AMPAR due to Hebbian plasticity with increased simultaneous neuronal firing and compensational downregulation of cell-surface AMPARs by the synaptic scaling.
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Affiliation(s)
- Tsuyoshi Eiro
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan; Department of Psychiatry, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Tomoyuki Miyazaki
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Mai Hatano
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Waki Nakajima
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Tetsu Arisawa
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Yuuki Takada
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Kimito Kimura
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Akane Sano
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Kotaro Nakano
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Takahiro Mihara
- Department of Health Data Science, Yokohama City University Graduate School of Data Science, Yokohama 236-0004, Japan
| | - Yutaro Takayama
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Naoki Ikegaya
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira 187-8551, Japan
| | - Akitoyo Hishimoto
- Department of Psychiatry, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Yoshihiro Noda
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Takahiro Miyazaki
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Hiroyuki Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Hideaki Tani
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Nobuhiro Nagai
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Teruki Koizumi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Shinichiro Nakajima
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo 160-0016, Japan
| | - Nozomu Matsuda
- Department of Neurology, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Kazuaki Kanai
- Department of Neurology, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Kazuhiro Takahashi
- Advanced Clinical Research Center, Fukushima Global Medical Science Center, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Hiroshi Ito
- Advanced Clinical Research Center, Fukushima Global Medical Science Center, Fukushima Medical University, Fukushima 960-1295, Japan; Department of Radiology and Nuclear Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Yoji Hirano
- Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan; Department of Psychiatry, Division of Clinical Neuroscience, Faculty of Medicine, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki 889-1692, Japan
| | - Yuichi Kimura
- Faculty of Informatics, Cyber Informatics Research Institute, Kindai University, Higashi-Osaka 577-8502, Japan
| | - Riki Matsumoto
- Division of Neurology, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
| | - Takuya Takahashi
- Department of Physiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan; The University of Tokyo, International Research Center for Neurointelligence, Tokyo 113-0033, Japan.
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Iwasaki M. [Diagnosis of Drug-Resistant Epilepsy and Actions to be Taken]. Brain Nerve 2023; 75:341-345. [PMID: 37037505 DOI: 10.11477/mf.1416202336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
Drug-resistant epilepsy is defined when epileptic seizures are not controlled for over a year despite adequate use of two or more anti-epileptic drugs. Patients with drug-resistant epilepsy should be referred to a specialized epilepsy center without delay. The epilepsy centers provide long-term video-EEG monitoring and epilepsy surgery as essential medical functions. The diagnosis and treatment of epilepsy are reviewed through an interdisciplinary care team approach. A surgical indication is discussed and determined after a comprehensive evaluation of patients with drug-resistant epilepsy. The number of epilepsy surgeries performed per population in Japan is approximately 40% of that in the United States. However, the number of epilepsy centers and the number of video-EEGs performed remain low. It is expected to facilitate patients' access to specialized care in Japan.
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Affiliation(s)
- Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry
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Adachi I, Aggarwal L, Ahmed H, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Aushev T, Aushev V, Bae H, Bambade P, Banerjee S, Baudot J, Bauer M, Beaubien A, Becker J, Behera PK, Bennett JV, Bernieri E, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhuyan B, Bianchi F, Bilka T, Biswas D, Bodrov D, Bolz A, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Chang MC, Cheema P, Chekelian V, Chen YQ, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cinabro D, Corona L, Cunliffe S, Das S, Dattola F, De La Cruz-Burelo E, De La Motte SA, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dreyer S, Dubey S, Dujany G, Eliachevitch M, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finocchiaro G, Fodor A, Forti F, Fulsom BG, Ganiev E, Gaur V, Gaz A, Gellrich A, Ghevondyan G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Goldenzweig P, Granderath S, Graziani E, Greenwald D, Gu T, Guan Y, Gudkova K, Guilliams J, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hirata H, Hohmann M, Hsu CL, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Iwasaki M, Jackson P, Jacobs WW, Jaffe DE, Jang EJ, Ji QP, Jia S, Jin Y, Joo KK, Junkerkalefeld H, Kaliyar AB, Kang KH, Karl R, Karyan G, Ketter C, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kodyš P, Koga T, Kohani S, Kojima K, Konno T, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kumar R, Kumara K, Kunigo T, Kuzmin A, Kwon YJ, Lacaprara S, Lam T, Lanceri L, Lange JS, Laurenza M, Lautenbach K, Leboucher R, Lewis PM, Li C, Li LK, Libby J, Lieret K, Liptak Z, Liu QY, Liventsev D, Longo S, Lozar A, Lueck T, Lyu C, Maggiora M, Maiti R, Manfredi R, Manoni E, Marcello S, Marinas C, Martel L, Martini A, Martinov T, Massaccesi L, Masuda M, Matsuoka K, Maurya SK, McKenna JA, Merola M, Metzner F, Milesi M, Miller C, Miyabayashi K, Mizuk R, Molina-Gonzalez N, Moneta S, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakao M, Nakazawa Y, Narimani Charan A, Naruki M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nazaryan G, Nisar NK, Ogawa S, Ono H, Onuki Y, Oskin P, Paladino A, Panta A, Paoloni E, Pardi S, Park H, Park SH, Paschen B, Passeri A, Paul S, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Piccolo M, Piilonen LE, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Raiz S, Ramirez Morales A, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Robertson SH, Roney JM, Rostomyan A, Rout N, Russo G, Sanders DA, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schueler J, Schwanda C, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shen CP, Shi XD, Shillington T, Sibidanov A, Singh JB, Skorupa J, Sobie RJ, Soffer A, Solovieva E, Spataro S, Starič M, Stefkova S, Stottler ZS, Stroili R, Sue Y, Sumihama M, Sumisawa K, Sutcliffe W, Suzuki SY, Svidras H, Takizawa M, Tanida K, Tanigawa H, Tenchini F, Thaller A, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Uchida M, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Vinokurova A, Vitale L, Vobbilisetti V, Wakeling HM, Wang E, Wang MZ, Warburton A, Watanuki S, Welsch M, Wessel C, Won E, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Ye H, Yelton J, Yin JH, Yook YM, Yoshihara K, Yuan CZ, Zani L, Zhang Y, Zhou XY, Zhukova VI, Žlebčík R. Observation of e^{+}e^{-}→ωχ_{bJ}(1P) and Search for X_{b}→ωϒ(1S) at sqrt[s] near 10.75 GeV. Phys Rev Lett 2023; 130:091902. [PMID: 36930912 DOI: 10.1103/physrevlett.130.091902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
We study the processes e^{+}e^{-}→ωχ_{bJ}(1P) (J=0, 1, or 2) using samples at center-of-mass energies sqrt[s]=10.701, 10.745, and 10.805 GeV, corresponding to 1.6, 9.8, and 4.7 fb^{-1} of integrated luminosity, respectively. These data were collected with the Belle II detector during special operations of the SuperKEKB collider above the ϒ(4S) resonance. We report the first observation of ωχ_{bJ}(1P) signals at sqrt[s]=10.745 GeV. By combining Belle II data with Belle results at sqrt[s]=10.867 GeV, we find energy dependencies of the Born cross sections for e^{+}e^{-}→ωχ_{b1,b2}(1P) to be consistent with the shape of the ϒ(10753) state. These data indicate that the internal structures of the ϒ(10753) and ϒ(10860) states may differ. Including data at sqrt[s]=10.653 GeV, we also search for the bottomonium equivalent of the X(3872) state decaying into ωϒ(1S). No significant signal is observed for masses between 10.45 and 10.65 GeV/c^{2}.
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Saito Y, Sugai K, Iwasaki M, Atobe M, Sato N, Kakita A, Saito Y, Ohtsuki T, Sasaki M. Periodic cycles of seizure clustering and suppression in children with epilepsy strongly suggest focal cortical dysplasia. Dev Med Child Neurol 2023; 65:431-436. [PMID: 35871498 DOI: 10.1111/dmcn.15365] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 06/29/2022] [Accepted: 07/01/2022] [Indexed: 11/30/2022]
Abstract
AIM We investigated characteristic seizure patterns in epilepsy caused by focal cortical dysplasia (FCD), which differ from epilepsy by other aetiologies in surgical cases with lesions on magnetic resonance imaging (MRI), then examined if these features were applicable to patients with epilepsy without any lesions on MRI. METHOD We retrospectively studied clinicopathological features in 291 (143 females) children with epilepsy who had undergone resective surgery after comprehensive evaluation, including 277 cases with lesions on MRI (136 females, age at resection 0-17 years [mean 6 years 10 months, SD 5 years 7 months]) and 14 cases without any lesions on MRI (seven females, age 0-16 years [mean 7 years 8 months, SD 4 years 8 months]). RESULTS Among 277 patients with lesions on MRI, 87 cases exhibited recurrent periodic cycles of seizure clustering (≥5 seizures/day for ≥1 week) and suppression (no seizures for ≥1 week); of these, 80 cases (92%) were pathologically diagnosed with FCD. Other pathologies included glial scar, hippocampal sclerosis, hemimegalencephaly, and cortical tuber in three, two, one, and one case respectively. All 14 patients without any lesions on MRI had significant recurrent periodic seizure cycles and FCD histopathologically. INTERPRETATION Periodic seizure cycles characterized by clustering and suppression in patients with epilepsy strongly suggest the presence of FCD regardless of MRI findings, and comprehensive evaluations for epilepsy surgery should be proceeded.
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Affiliation(s)
- Yoshihiko Saito
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Kenji Sugai
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Mahito Atobe
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Noriko Sato
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Akiyoshi Kakita
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Yuko Saito
- Department of Clinical Laboratory, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Taisuke Ohtsuki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.,Epilepsy Hospital Bethel Japan, Miyagi, Japan
| | - Masayuki Sasaki
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
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Preethy S, Yamamoto N, Liem N, Bharatidasan S, Iwasaki M, Abraham S. ROLE OF GUT MICROBIOME HOMEOSTASIS, INTEGRITY OF THE INTESTINAL EPITHELIAL CELLS, AND THE (ENDOGENOUS) BUTYRATE IN ENDURING A HEALTHY LONG LIFE. Georgian Med News 2023:73-78. [PMID: 37166884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The influence of gut microbiomes on health has been gaining significance lately. More emphasis is their role in neurological illnesses as several of the metabolites and factors produced by the gut affect the brain via the gut-brain axis. Among all the gut microbiome produced metabolites, butyrate has been considered the most significant. Externally supplemented butyrate though has health benefits, when evaluated thoroughly, it is understood that there have been different pathways involved in the production of butyrate by the gut microbiome with the produced butyrate even being detrimental, though majority are beneficial. Importantly maternal butyrate supplementation has resulted in detrimental effects in the offspring. In this background, a black yeast Aureobasidium pullulans produced biological response modifier beta glucans (BRMGs) has shown beneficial outcome (anti-inflammatory: decrease in IL-6, Ferritin, C-reactive protein in COVID-19, D-Dimer; anti-fibrotic in fatty liver disease; improvement of behaviour and sleep with increase in α-synuclein, melatonin in autism) along with its effect on increasing the butyrate producing bacteria in the gut. Since only advantageous outcome has been reported with this BRMG produced butyrate, it is worth being considered as a yardstick for evaluation of exogenously supplemented and endogenous produced butyrate for their differential effects on host and its offspring.
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Affiliation(s)
- S Preethy
- 1Fujio-Eiji Academic Terrain (FEAT), Nichi-In Centre for Regenerative Medicine (NCRM), Chennai, India
| | - N Yamamoto
- 2Genome Medical Sciences Project, National Center for Global Health, and Medicine, Konodai, Ichikawa, Chiba, Japan
| | - N Liem
- 3College of Heath Sciences, VIN University, Hanoi, Vietnam
| | - S Bharatidasan
- 4Department of Anesthesia, Thunder Bay Regional Health Sciences Centre, Thunder Bay, Ontario, Canada
| | - M Iwasaki
- 5Centre for Advancing Clinical Research (CACR), University of Yamanashi - School of Medicine, Chuo, Japan
| | - S Abraham
- 5Centre for Advancing Clinical Research (CACR), University of Yamanashi - School of Medicine, Chuo, Japan; 6Mary-Yoshio Translational Hexagon (MYTH), Nichi-in Centre for Regenerative Medicine (NCRM), Chennai, India; 7R&D, Sophy Inc., Japan; 8Antony-Xavier Interdisciplinary Scholastics (AXIS), GN Corporation Co. Ltd., Kofu, Japan
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Abudinén F, Aggarwal L, Ahmed H, Ahn JK, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Babu V, Bae H, Bambade P, Banerjee S, Bansal S, Baudot J, Bauer M, Baur A, Beaubien A, Becker J, Bennett JV, Bernieri E, Bernlochner FU, Bertacchi V, Bertemes M, Bertholet E, Bessner M, Bettarini S, Bhardwaj V, Bianchi F, Bilka T, Biswas D, Bodrov D, Bolz A, Bonvicini G, Bozek A, Bračko M, Branchini P, Briere RA, Browder TE, Budano A, Bussino S, Campajola M, Cao L, Casarosa G, Cecchi C, Chang MC, Chang P, Cheaib R, Cheema P, Chen C, Chen YQ, Chen YT, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cinabro D, Corona L, Cremaldi LM, Cunliffe S, Dattola F, De La Cruz-Burelo E, De La Motte SA, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dossett D, Dreyer S, Dujany G, Eliachevitch M, Epifanov D, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finocchiaro G, Flood K, Fodor A, Forti F, Frey A, Fulsom BG, Gabrielli A, Ganiev E, Garcia-Hernandez M, Gaz A, Gellrich A, Ghevondyan G, Giordano R, Giri A, Glazov A, Gobbo B, Godang R, Goldenzweig P, Gradl W, Granderath S, Greenwald D, Gu T, Guan Y, Gudkova K, Guilliams J, Halder S, Hara K, Hartbrich O, Hayasaka K, Hayashii H, Hazra S, Hearty C, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hohmann M, Humair T, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Iwasaki Y, Jackson P, Jacobs WW, Jaffe DE, Ji QP, Jin Y, Junkerkalefeld H, Kaleta M, Kandra J, Kang KH, Karl R, Karyan G, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Koga T, Kohani S, Kojima K, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar J, Kumar R, Kumara K, Kunigo T, Kwon YJ, Lacaprara S, Lam T, Lanceri L, Lange JS, Laurenza M, Leboucher R, Lee SC, Leitl P, Levit D, Li LK, Li SX, Li YB, Libby J, Liptak Z, Liu QY, Liventsev D, Longo S, Lueck T, Lyu C, Maggiora M, Maiti R, Maity S, Manfredi R, Manoni E, Marcello S, Marinas C, Martel L, Martini A, Massaccesi L, Masuda M, Matsuoka K, Matvienko D, McKenna JA, Meier F, Merola M, Milesi M, Miller C, Miyabayashi K, Mohanty GB, Molina-Gonzalez N, Moneta S, Moon H, Moser HG, Mrvar M, Mussa R, Nakamura I, Nakao M, Nakayama H, Narimani Charan A, Naruki M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nazaryan G, Niebuhr C, Nisar NK, Nishida S, Nishimura K, Ono H, Oskin P, Oxford ER, Pakhlova G, Paladino A, Panta A, Paoloni E, Pardi S, Parham K, Park H, Park SH, Passeri A, Pedlar TK, Peruzzi I, Peschke R, Pestotnik R, Pham F, Piilonen LE, Pinna Angioni G, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raiz S, Reif M, Reiter S, Ripp-Baudot I, Rizzo G, Robertson SH, Roney JM, Rostomyan A, Rout N, Russo G, Sanders DA, Sandilya S, Sangal A, Santelj L, Sato Y, Savinov V, Scavino B, Schwanda C, Schwartz AJ, Seino Y, Selce A, Senyo K, Serrano J, Sfienti C, Shen CP, Shillington T, Shiu JG, Sibidanov A, Simon F, Sobie RJ, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stefkova S, Stroili R, Strube J, Sumihama M, Sumisawa K, Sutcliffe W, Suzuki SY, Svidras H, Takahashi M, Takizawa M, Tamponi U, Tanaka S, Tanida K, Tanigawa H, Taniguchi N, Tenchini F, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Uchida M, Unger K, Unno Y, Uno K, Uno S, Urquijo P, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Vinokurova A, Vitale L, Vobbilisetti V, Waheed E, Wakeling HM, Wang E, Wang MZ, Wang XL, Warburton A, Watanuki S, Welsch M, Wessel C, Wiechczynski J, Windel H, Won E, Xu XP, Yabsley BD, Yamada S, Yang SB, Ye H, Yelton J, Yin JH, Yoshihara K, Yusa Y, Zhang Y, Zhilich V, Zhou QD, Zhukova VI, Žlebčík R. Measurement of the Λ_{c}^{+} Lifetime. Phys Rev Lett 2023; 130:071802. [PMID: 36867815 DOI: 10.1103/physrevlett.130.071802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/25/2022] [Indexed: 06/18/2023]
Abstract
An absolute measurement of the Λ_{c}^{+} lifetime is reported using Λ_{c}^{+}→pK^{-}π^{+} decays in events reconstructed from data collected by the Belle II experiment at the SuperKEKB asymmetric-energy electron-positron collider. The total integrated luminosity of the data sample, which was collected at center-of-mass energies at or near the ϒ(4S) resonance, is 207.2 fb^{-1}. The result, τ(Λ_{c}^{+})=203.20±0.89±0.77 fs, where the first uncertainty is statistical and the second systematic, is the most precise measurement to date and is consistent with previous determinations.
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Abudinén F, Adachi I, Aggarwal L, Aihara H, Akopov N, Aloisio A, Anh Ky N, Asner DM, Atmacan H, Aushev T, Aushev V, Babu V, Bahinipati S, Bambade P, Banerjee S, Bansal S, Baudot J, Baur A, Beaubien A, Becker J, Behera PK, Bennett JV, Bernieri E, Bernlochner FU, Bertemes M, Bertholet E, Bessner M, Bhuyan B, Bianchi F, Bilka T, Biswas D, Bobrov A, Bodrov D, Bolz A, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Bussino S, Campajola M, Casarosa G, Cecchi C, Chekelian V, Chen C, Chen YQ, Cheon BG, Chilikin K, Chirapatpimol K, Cho HE, Cho K, Cho SJ, Choi SK, Choudhury S, Cinabro D, Corona L, Cunliffe S, Dattola F, de Marino G, De Nardo G, De Nuccio M, De Pietro G, de Sangro R, Destefanis M, Dey S, De Yta-Hernandez A, Dhamija R, Di Canto A, Di Capua F, Dingfelder J, Doležal Z, Domínguez Jiménez I, Dong TV, Dorigo M, Dort K, Dossett D, Dreyer S, Dubey S, Dujany G, Eliachevitch M, Epifanov D, Feichtinger P, Ferber T, Ferlewicz D, Fillinger T, Finck C, Finocchiaro G, Flood K, Fodor A, Forti F, Frey A, Fulsom BG, Ganiev E, Garcia-Hernandez M, Gaur V, Gaz A, Gellrich A, Giordano R, Giri A, Gobbo B, Godang R, Goldenzweig P, Gradl W, Granderath S, Graziani E, Greenwald D, Gu T, Gudkova K, Guilliams J, Hadjivasiliou C, Hara K, Hara T, Hayasaka K, Hayashii H, Hazra S, Hearty C, Hedges MT, Heredia de la Cruz I, Hernández Villanueva M, Hershenhorn A, Higuchi T, Hill EC, Hoek M, Hohmann M, Hsu CL, Iijima T, Inami K, Inguglia G, Ipsita N, Ishikawa A, Ito S, Itoh R, Iwasaki M, Jackson P, Jacobs WW, Jaffe DE, Jang EJ, Ji QP, Jia S, Jin Y, Junkerkalefeld H, Kakuno H, Kaliyar AB, Kandra J, Kang KH, Karl R, Karyan G, Kawasaki T, Ketter C, Kichimi H, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kinoshita K, Kodyš P, Koga T, Kohani S, Kojima K, Konno T, Korobov A, Korpar S, Kovalenko E, Kowalewski R, Kraetzschmar TMG, Križan P, Krokovny P, Kuhr T, Kumar R, Kumara K, Kunigo T, Kwon YJ, Lacaprara S, Lai YT, Lam T, Lange JS, Laurenza M, Leboucher R, Lee SC, Li LK, Li YB, Libby J, Lieret K, Liu QY, Liventsev D, Longo S, Lozar A, Lueck T, Lyu C, Maggiora M, Maiti R, Maity S, Manfredi R, Manoni E, Marcello S, Marinas C, Martel L, Martini A, Massaccesi L, Masuda M, Matsuoka K, McKenna JA, Meier F, Merola M, Metzner F, Milesi M, Miller C, Miyabayashi K, Mohanty GB, Molina-Gonzalez N, Moneta S, Moon H, Mrvar M, Nakamura I, Nakamura KR, Nakao M, Nakayama H, Narimani Charan A, Naruki M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar NK, Nishida S, Nishimura K, Ogawa S, Ono H, Oskin P, Pakhlova G, Paladino A, Panta A, Pardi S, Parham K, Park H, Park SH, Passeri A, Patra S, Paul S, Pedlar TK, Piccolo M, Piilonen LE, Pinna Angioni G, Podesta-Lerma PLM, Podobnik T, Pokharel S, Polat L, Praz C, Prell S, Prencipe E, Prim MT, Purwar H, Rad N, Rados P, Raiz S, Ramirez Morales A, Reif M, Reiter S, Remnev M, Ripp-Baudot I, Rizzo G, Robertson SH, Rodríguez Pérez D, Roney JM, Rostomyan A, Rout N, Sahoo D, Sanders DA, Sandilya S, Santelj L, Sato Y, Scavino B, Schueler J, Schwanda C, Seino Y, Selce A, Senyo K, Serrano J, Sevior ME, Sfienti C, Shillington T, Shiu JG, Sibidanov A, Simon F, Singh JB, Skorupa J, Soffer A, Sokolov A, Solovieva E, Spataro S, Spruck B, Starič M, Stefkova S, Stottler ZS, Stroili R, Sumihama M, Sumisawa K, Sutcliffe W, Suzuki SY, Svidras H, Tabata M, Takizawa M, Tamponi U, Tanaka S, Tanida K, Tanigawa H, Tenchini F, Tiwary R, Tonelli D, Torassa E, Toutounji N, Trabelsi K, Uchida M, Ueda I, Uematsu Y, Uglov T, Unger K, Unno Y, Uno K, Uno S, Ushiroda Y, Vahsen SE, van Tonder R, Varner GS, Varvell KE, Vinokurova A, Vitale L, Vobbilisetti V, Waheed E, Wakeling HM, Wang E, Wang MZ, Warburton A, Watanabe M, Watanuki S, Welsch M, Wessel C, Windel H, Won E, Xu XP, Yabsley BD, Yamada S, Yan W, Yang SB, Ye H, Yin JH, Yoshihara K, Yuan CZ, Yusa Y, Zani L, Zhang Y, Zhilich V, Zhou QD, Zhou XY, Zhukova VI, Žlebčík R. Search for a Dark Photon and an Invisible Dark Higgs Boson in μ^{+}μ^{-} and Missing Energy Final States with the Belle II Experiment. Phys Rev Lett 2023; 130:071804. [PMID: 36867830 DOI: 10.1103/physrevlett.130.071804] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 11/29/2022] [Indexed: 06/18/2023]
Abstract
The dark photon A^{'} and the dark Higgs boson h^{'} are hypothetical particles predicted in many dark sector models. We search for the simultaneous production of A^{'} and h^{'} in the dark Higgsstrahlung process e^{+}e^{-}→A^{'}h^{'} with A^{'}→μ^{+}μ^{-} and h^{'} invisible in electron-positron collisions at a center-of-mass energy of 10.58 GeV in data collected by the Belle II experiment in 2019. With an integrated luminosity of 8.34 fb^{-1}, we observe no evidence for signal. We obtain exclusion limits at 90% Bayesian credibility in the range of 1.7-5.0 fb on the cross section and in the range of 1.7×10^{-8}-200×10^{-8} on the effective coupling ϵ^{2}×α_{D} for the A^{'} mass in the range of 4.0 GeV/c^{2}<M_{A^{'}}<9.7 GeV/c^{2} and for the h^{'} mass M_{h^{'}}<M_{A^{'}}, where ϵ is the mixing strength between the standard model and the dark photon and α_{D} is the coupling of the dark photon to the dark Higgs boson. Our limits are the first in this mass range.
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Yamamoto K, Baba S, Saito T, Nakagawa E, Sugai K, Iwasaki M, Fujita A, Fukuda H, Mizuguchi T, Kato M, Matsumoto N, Sasaki M. Synchronous heart rate reduction with suppression-burst pattern in KCNT1-related developmental and epileptic encephalopathies. Epilepsia Open 2023. [PMID: 36740266 DOI: 10.1002/epi4.12705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 01/28/2023] [Indexed: 02/07/2023] Open
Abstract
Suppression-burst (SB) is an electroencephalographic pattern observed in neonatal- and infantile-onset developmental and epileptic encephalopathies (DEEs), which are associated with high mortality in early life. However, the relation of SB electroencephalogram (SB-EEG) with autonomic function requires clarification. We investigated the relationship between heart rate (HR) and phasic transition during SB-EEG in DEEs to explore the mechanism of early death. Seven patients (two with KCNT1-DEE) with neonatal- and infantile-onset DEE who presented with SB-EEG were retrospectively identified. Five-minute SB-EEGs were analyzed with simultaneous recording of electrocardiograms. Mean HR, suppression duration, and burst period were calculated by measuring RR intervals. Two patients with KCNT1-DEE exhibited synchronous HR fluctuations, with an HR decrease during suppression and an increase during burst. The HR decrease was larger (-6.1% and -7.7%) and the median duration of suppression was longer (4.0 and 8.2 s) in patients with KCNT1-DEE than the other five (range: -2.9% to 0.9% and 0.7-1.7s, respectively). A strong negative correlation was confirmed between suppression duration and HR reduction rates in one patient with KCNT1-DEE. SB phases may influence HR regulation in patients with KCTN1-DEE.
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Affiliation(s)
- Kaoru Yamamoto
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan
| | - Shimpei Baba
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan
| | - Takashi Saito
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan
| | - Eiji Nakagawa
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan.,Department of Epileptology, National Center Hospital, NCNP, Tokyo, Japan
| | - Kenji Sugai
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan.,Division of Pediatrics, Soleil Kawasaki Medical Center for the Handicapped, Kawasaki, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, NCNP, Tokyo, Japan
| | - Atsushi Fujita
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Hiromi Fukuda
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Takeshi Mizuguchi
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Mitsuhiro Kato
- Department of Pediatrics, Showa University School of Medicine and Epilepsy Medical Center, Showa University Hospital, Tokyo, Japan
| | - Naomichi Matsumoto
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Masayuki Sasaki
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), Tokyo, Japan
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Kosugi K, Yoshitomi M, Takayama Y, Iijima K, Kimura Y, Kaneko Y, Toda M, Iwasaki M. Safety, Feasibility, and Efficacy of Additional Extraventricular Anterior Commissurotomy With Corpus Callosotomy. Oper Neurosurg (Hagerstown) 2023; 24:e68-e74. [PMID: 36637309 DOI: 10.1227/ons.0000000000000478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 08/28/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Corpus callosotomy (CC) is a palliative neurosurgical procedure for patients with intractable epilepsy and without resectable focal epileptogenic lesions. Anterior commissurotomy (AC) has been historically performed with CC. However, the efficacy and safety of adding AC to CC remain unknown. OBJECTIVE To describe the surgical technique of extraventricular AC and retrospectively investigate its clinical efficacy and safety by assessing patients who underwent CC with and without AC. METHODS AC has been added to CC at our institution since 2018. Fifty-five consecutive patients who received total callosotomy from 2016 to 2020 were included and categorized into 2 groups: 26 patients with additional AC and 29 patients without additional AC. Seizure outcome 1 year after surgery were compared between groups for assessing the efficacy of adding AC. The perioperative factors were compared for assessing the safety and feasibility. RESULTS Seizure reduction rate (50% and 60%; P = .60) and disappearance of drop attacks (42% and 58%; P = .25) were not significantly different between CC and CC + AC groups. No statistical group differences were found in intraoperative estimated blood loss, number of days to first oral intake, duration of postoperative intravenous hydration, and length of hospital stay. CONCLUSION Disconnection of the anterior commissure is a feasible and relatively safe procedure. This study failed to show the significant efficacy of adding AC to CC. However, further investigation is needed to prove its efficacy in ameliorating epilepsy.
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Affiliation(s)
- Kenzo Kosugi
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan.,Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan
| | - Munetake Yoshitomi
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yutaro Takayama
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yuiko Kimura
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yuu Kaneko
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Masahiro Toda
- Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
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Li YB, Shen CP, Adachi I, Aihara H, Asner DM, Atmacan H, Aushev T, Ayad R, Babu V, Bahinipati S, Behera P, Belous K, Bennett J, Bessner M, Bhardwaj V, Bhuyan B, Bilka T, Bodrov D, Borah J, Bozek A, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang MC, Chang P, Cheon BG, Chilikin K, Cho HE, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Das S, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong TV, Dossett D, Epifanov D, Fulsom BG, Garg R, Gaur V, Garmash A, Giri A, Goldenzweig P, Graziani E, Gu T, Guan Y, Gudkova K, Hadjivasiliou C, Hayasaka K, Hayashii H, Hou WS, Hsu CL, Iijima T, Inami K, Ipsita N, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jang EJ, Ji QP, Jia S, Jin Y, Joo KK, Karyan G, Kawasaki T, Kichimi H, Kiesling C, Kim CH, Kim DY, Kim KH, Kim YK, Kindo H, Kinoshita K, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Krokovny P, Kumar M, Kumar R, Kumara K, Kwon YJ, Lam T, Lange JS, Laurenza M, Lee SC, Li CH, Li J, Li LK, Li Y, Li Gioi L, Libby J, Lieret K, Liventsev D, Masuda M, Matsuda T, Matvienko D, Maurya SK, Meier F, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty GB, Nakamura I, Nakao M, Natkaniec Z, Natochii A, Nayak L, Niiyama M, Nisar NK, Nishida S, Ogawa S, Ono H, Oskin P, Pakhlov P, Pakhlova G, Pardi S, Park H, Park SH, Patra S, Paul S, Pedlar TK, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rout N, Russo G, Sandilya S, Santelj L, Savinov V, Schnell G, Schueler J, Schwanda C, Seino Y, Senyo K, Sevior ME, Shapkin M, Sharma C, Shiu JG, Singh JB, Sokolov A, Solovieva E, Starič M, Stottler ZS, Sumihama M, Sumiyoshi T, Sutcliffe W, Takizawa M, Tamponi U, Tanida K, Tenchini F, Trabelsi K, Tsuboyama T, Uchida M, Uglov T, Unno Y, Uno S, Usov Y, van Tonder R, Varner G, Varvell KE, Waheed E, Wang E, Wang MZ, Watanabe M, Watanuki S, Werbycka O, Wiechczynski J, Won E, Yabsley BD, Yan W, Yang SB, Yelton J, Yin JH, Yuan CZ, Yusa Y, Zhai Y, Zhang ZP, Zhilich V, Zhukova V. Evidence of a New Excited Charmed Baryon Decaying to Σ_{c}(2455)^{0,++}π^{±}. Phys Rev Lett 2023; 130:031901. [PMID: 36763394 DOI: 10.1103/physrevlett.130.031901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 07/31/2022] [Accepted: 08/23/2022] [Indexed: 06/18/2023]
Abstract
We present the study of B[over ¯]^{0}→Σ_{c}(2455)^{0,++}π^{±}p[over ¯] decays based on 772×10^{6} BB[over ¯] events collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. The Σ_{c}(2455)^{0,++} candidates are reconstructed via their decay to Λ_{c}^{+}π^{∓} and Λ_{c}^{+} decays to pK^{-}π^{+}, pK_{S}^{0}, and Λπ^{+} final states. The corresponding branching fractions are measured to be B(B[over ¯]^{0}→Σ_{c}(2455)^{0}π^{+}p[over ¯])=(1.09±0.06±0.07)×10^{-4} and B(B[over ¯]^{0}→Σ_{c}(2455)^{++}π^{-}p[over ¯])=(1.84±0.11±0.12)×10^{-4}, which are consistent with the world average values with improved precision. A new structure is found in the M_{Σ_{c}(2455)^{0,++}π^{±}} spectrum with a significance of 4.2σ including systematic uncertainty. The structure is possibly an excited Λ_{c}^{+} and is tentatively named Λ_{c}(2910)^{+}. Its mass and width are measured to be (2913.8±5.6±3.8) MeV/c^{2} and (51.8±20.0±18.8) MeV, respectively. The products of branching fractions for the Λ_{c}(2910)^{+} are measured to be B(B[over ¯]^{0}→Λ_{c}(2910)^{+}p[over ¯])×B(Λ_{c}(2910)^{+}→Σ_{c}(2455)^{0}π^{+})=(9.5±3.6±1.6)×10^{-6} and B(B[over ¯]^{0}→Λ_{c}(2910)^{+}p[over ¯])×B(Λ_{c}(2910)^{+}→Σ_{c}(2455)^{++}π^{-})=(1.24±0.35±0.10)×10^{-5}. Here, the first and second uncertainties are statistical and systematic, respectively.
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Sunaga Y, Takayama Y, Yokosako S, Mizuno T, Kouno M, Tashiro M, Iwasaki M, Sasaki M. Drug-resistant temporal lobe epilepsy due to middle fossa meningoencephalocele in a child: A surgical case report. Brain Dev 2023; 45:82-86. [PMID: 36115749 DOI: 10.1016/j.braindev.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Meningoencephalocele (ME) of the temporal lobe through a bone defect in the middle cranial fossa is a rare known cause of refractory temporal lobe epilepsy (TLE). ME-induced drug-resistant TLE has been described in adults; however, its incidence in children is very rare. CASE REPORT A 7-year-old girl presented at our hospital with brief episodes of impaired consciousness and enuresis. Initial brain MRI results were interpreted as normal. Her seizures could not be controlled even with multiple anti-seizure medications. She was diagnosed with drug-resistant TLE, which presented with prolonged impaired awareness seizures for 30-60 s and secondary bilateral tonic seizures. At 9 years of age, brain MRI revealed a left temporal anteroinferior ME with a congenital bone defect in the left middle cranial fossa. She was referred for presurgical epilepsy evaluation. Long-term video electroencephalography (EEG) failed to reveal regional abnormality in the left temporal lobe; invasive evaluation using stereoelectroencephalography (SEEG) was thus indicated. Ictal onset SEEG was identified in the temporal pole near the ME which was rapidly propagated to the mesial temporal structures and other cortical regions. The left temporal pole including the ME was micro-surgically disconnected while preserving the hippocampus and amygdala. The patient's seizures have been completely controlled for 1 year and 6 months post-operatively. CONCLUSION SEEG revealed rapid propagation of ictal activity in this patient's case, confirming that the ME was epileptogenic. Since the majority of patients with refractory epilepsy caused by ME have favorable postoperative seizure outcomes, it is important to carefully check for ME in drug-resistant TLE patients with apparently normal MRI.
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Affiliation(s)
- Yasuo Sunaga
- Department of Pediatrics, JCHO Gunma Central Hospital, Gunma, Japan.
| | - Yutaro Takayama
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Suguru Yokosako
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Takahisa Mizuno
- Department of Pediatrics, JCHO Gunma Central Hospital, Gunma, Japan
| | - Miyuki Kouno
- Department of Pediatrics, JCHO Gunma Central Hospital, Gunma, Japan
| | - Masahiko Tashiro
- Department of Pediatrics, JCHO Gunma Central Hospital, Gunma, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Masayuki Sasaki
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
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Iwasaki M. [Hemispherectomy and Hemispherotomy in the Treatment of Drug-Resistant Epilepsy]. No Shinkei Geka 2023; 51:126-132. [PMID: 36682757 DOI: 10.11477/mf.1436204723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Hemispherectomy/hemispherotomy is an important surgical procedure for patients with drug-resistant epilepsy who have a unilateral large epileptogenic lesion associated with neurological deficits, such as hemiparesis. Hemispherotomy consists of corpus callosotomy and dissection of projection fibers into the internal capsule. Hemispherotomy has two major approaches: periinsular lateral hemispherotomy(PIH)and vertical parasagittal hemispherotomy(VH). The white matter is incised along the periinsular sulcus to disrupt the internal capsule before corpus callosotomy is performed within the lateral ventricle in PIH. Corpus callosotomy is performed first with an interhemispheric approach, the lateral ventricle is entered, and the internal capsule is disconnected just lateral to the thalamus in the VH. Both approaches have similar efficacy for seizure control; however, a recent study suggested the possible superiority of VH. The chance of complete seizure freedom for one or two postoperative years has been reported to be 70% or greater. The risk of postoperative hydrocephalus is as high as 20%, particularly in young children. In this article, we present and discuss the surgical anatomy of hemispherotomy techniques.
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Affiliation(s)
- Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry
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Terutsuki D, Yoroizuka H, Osawa S, Ogihara Y, Abe H, Nakagawa A, Iwasaki M, Nishizawa M. Totally Organic Hydrogel‐Based Self‐Closing Cuff Electrode for Vagus Nerve Stimulation (Adv. Healthcare Mater. 23/2022). Adv Healthc Mater 2022. [DOI: 10.1002/adhm.202270142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Terutsuki D, Yoroizuka H, Osawa SI, Ogihara Y, Abe H, Nakagawa A, Iwasaki M, Nishizawa M. Totally Organic Hydrogel-Based Self-Closing Cuff Electrode for Vagus Nerve Stimulation. Adv Healthc Mater 2022; 11:e2201627. [PMID: 36148587 DOI: 10.1002/adhm.202201627] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/01/2022] [Indexed: 01/28/2023]
Abstract
An intrinsically soft organic electrode consisting of poly(3,4-ethylenedioxythiophene)-modified polyurethane (PEDOT-PU) is embedded into a bilayer film of polyvinyl alcohol (PVA) hydrogels for developing a self-closing cuff electrode for neuromodulation. The curled form of the PVA hydrogel is prepared by releasing internal stress in the bilayer structure. The inner diameter of the cuff electrode is set to less than 2 mm for immobilization to the vagus nerve (VN) of humans and pigs. The stability of the immobilization is examined, while the pressure applied to a nerve bundle is at a harmless level (≈200 Pa). Since the electrode is totally organic, MRI measurements can be conducted without image artifacts. The large electric capacitance of the PEDOT-PU (≈27 mF cm-2 ) ensures a safe stimulation of living tissues without Faradaic reactions. The practical performance of the cuff electrode for VN stimulation is demonstrated by observation of bradycardia induction in a pig.
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Affiliation(s)
- Daigo Terutsuki
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-01 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Hayato Yoroizuka
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-01 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Shin-Ichiro Osawa
- Department of Neurosurgery, Graduate School of Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| | - Yuka Ogihara
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-01 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Hiroya Abe
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-01 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Atsuhiro Nakagawa
- Department of Neurosurgery, Graduate School of Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry (NCNP), 4-1-1 Ogawahigashi-cho, Kodaira-shi, Tokyo, 187-8551, Japan
| | - Matsuhiko Nishizawa
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-01 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
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Nakagawa A, Endo T, Kawaguchi T, Yamada M, Sato C, Kumabe T, Iwasaki M, Niizuma K, Kanamori M, Nakanishi C, Yamashita S, Nakano T, Tominaga T. Piezo Actuator-Driven Pulsed Water Jet for Neurosurgery: Laboratory Evaluation with the Swine Model and Implications of Mechanical Properties. J Neurol Surg A Cent Eur Neurosurg 2022. [PMID: 36252769 DOI: 10.1055/a-1962-1345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Object Pulsed water jet is an emerging surgical instrumentation intended to achieve both maximal lesion resection and functional maintenance through preservation of fine vessels and minimal damage to the surrounding tissue. The piezo actuator-driven pulsed water jet (ADPJ) is a new technology that can deliver a precisely controlled uniform and efficient pulsed water jet with minimum water flow. The present study evaluated the ADPJ system in preclinical animal studies in the swine brain, and investigated breaking strength, one of the parameters for mechanical properties, to elucidate the mechanism of tissue selectivity for tissue dissection by the water jet. Methods This system consisted of a pump chamber driven by a piezo actuator, a stainless steel tube, and a nozzle (internal diameter: 0.15 mm). The water was supplied at 6 ml/min. The relationship between input voltage (3-25 V at 400 Hz) and peak pressure was measured using a pressure sensor through a sensing hole. Temporal profile of dissection depth during moving application was evaluated using gelatin brain phantom and swine brain. The dissected specimens were evaluated histologically. The mechanical property (breaking strength) of swine brain was measured by a compact table-top universal tester. Results Peak pressure increased linearly with increase in the input voltage, which reflected dissection depth in both the gelatin brain phantom and swine brain. Small arteries were preserved, and minimum damage to surrounding tissues occurred. The breaking strength of arachnoid membrane (0.12 ± 0.014 MPa) was significantly higher compared to gray matter (0.030 ± 0.010 MPa) and white matter (0.056 ± 0.009 MPa) (p < 0.05). The breaking strength of gray matter corresponded to that of 3 wt% gelatin, and that of white matter corresponded to a value between those of 3.5 and 4 wt% gelatin, and the dissection depth seemed to be estimated by 3-4 wt% gelatin. Conclusion The present study suggests that the ADPJ system has the potential to achieve accurate tissue dissection with preservation of blood vessels in neurosurgery. The difference in breaking strength may explain the tissue selectivity between brain parenchyma and tissue protected by the arachnoid membrane.
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Affiliation(s)
- Atsuhiro Nakagawa
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Biodesign, Clinical Research, Innovation, Education Center, Tohoku University Hospital, Sendai, Japan
| | | | - Tomohiro Kawaguchi
- Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan
- Department of Neurosurgery, Kohnan Hospital, Sendai, Japan
| | - Masato Yamada
- Division of Advanced Surgical Science and Technology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Chiaki Sato
- Division of Advanced Surgical Science and Technology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Toshihiro Kumabe
- Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kuniyasu Niizuma
- Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgical Engineering and Translational Neuroscience, Tohoku University Graduate School of Biomedical Engineering, Sendai, Japan
- Department of Neurosurgical Engineering and Translational Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masayuki Kanamori
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Chikashi Nakanishi
- Division of Advanced Surgical Science and Technology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shinichi Yamashita
- Department of Urology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Toru Nakano
- Division of Gastroenterology and Hepatobiliary Pancreatic Surgery, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
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Nakatani M, Inouchi M, Daifu-Kobayashi M, Murai T, Togawa J, Kajikawa S, Kobayashi K, Hitomi T, Kunieda T, Hashimoto S, Inaji M, Shirozu H, Kanazawa K, Iwasaki M, Usui N, Inoue Y, Maehara T, Ikeda A. Ictal direct current shifts contribute to defining the core ictal focus in epilepsy surgery. Brain Commun 2022; 4:fcac222. [PMID: 36381989 PMCID: PMC9639799 DOI: 10.1093/braincomms/fcac222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 07/01/2022] [Accepted: 08/29/2022] [Indexed: 11/27/2022] Open
Abstract
Identifying the minimal and optimal epileptogenic area to resect and cure is the goal of epilepsy surgery. To achieve this, EEG analysis is recognized as the most direct way to detect epileptogenic lesions from spatiotemporal perspectives. Although ictal direct-current shifts (below 1 Hz) and ictal high-frequency oscillations (above 80 Hz) have received increasing attention as good indicators that can add more specific information to the conventionally defined seizure-onset zone, large cohort studies on postoperative outcomes are still lacking. This work aimed to clarify whether this additional information, particularly ictal direct-current shifts which is assumed to reflect extracellular potassium concentration, really improve postoperative outcomes. To assess the usefulness in epilepsy surgery, we collected unique EEG data sets recorded with a longer time constant of 10 s using an alternate current amplifier. Sixty-one patients (15 with mesial temporal lobe epilepsy and 46 with neocortical epilepsy) who had undergone invasive presurgical evaluation for medically refractory seizures at five institutes in Japan were retrospectively enrolled in this study. Among intracranially implanted electrodes, the two core electrodes of both ictal direct-current shifts and ictal high-frequency oscillations were independently identified by board-certified clinicians based on unified methods. The occurrence patterns, such as their onset time, duration, and amplitude (power) were evaluated to extract the features of both ictal direct-current shifts and ictal high-frequency oscillations. Additionally, we examined whether the resection ratio of the core electrodes of ictal direct-current shifts and ictal high-frequency oscillations independently correlated with favourable outcomes. A total of 53 patients with 327 seizures were analyzed for wide-band EEG analysis, and 49 patients were analyzed for outcome analysis. Ictal direct-current shifts were detected in the seizure-onset zone more frequently than ictal high-frequency oscillations among both patients (92% versus 71%) and seizures (86% versus 62%). Additionally, ictal direct-current shifts significantly preceded ictal high-frequency oscillations in patients exhibiting both biomarkers, and ictal direct-current shifts occurred more frequently in neocortical epilepsy patients than in mesial temporal lobe epilepsy patients. Finally, although a low corresponding rate was observed for ictal direct-current shifts and ictal high-frequency oscillations (39%) at the electrode level, complete resection of the core area of ictal direct-current shifts significantly correlated with favourable outcomes, similar to ictal high-frequency oscillation outcomes. Our results provide a proof of concept that the independent significance of ictal direct-current shifts from ictal high-frequency oscillations should be considered as reliable biomarkers to achieve favourable outcomes in epilepsy surgery. Moreover, the different distribution of the core areas of ictal direct-current shifts and ictal high-frequency oscillations may provide new insights into the underlying mechanisms of epilepsy, in which not only neurons but also glial cells may be actively involved via extracellular potassium levels.
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Affiliation(s)
- Mitsuyoshi Nakatani
- Department of Neurology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Morito Inouchi
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
- Department of Neurology, Kyoto City Hospital, 1-2 Mibuhigashitakadacho , Nakagyo-ku, Kyoto 604-8845 , Japan
| | - Masako Daifu-Kobayashi
- Department of Neurology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Tomohiko Murai
- Department of Neurology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Jumpei Togawa
- Department of Neurology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Shunsuke Kajikawa
- Department of Neurology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Katsuya Kobayashi
- Department of Neurology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Takefumi Hitomi
- Department of Laboratory Medicine, Kyoto University, 54 Shogoin-Kawaharacho , Sakyo-ku, Kyoto 606-8507 , Japan
| | - Takeharu Kunieda
- Department of Neurosurgery, Ehime University Graduate School of Medicine , Shitsukawa, Toon City, Ehime, 791-0295 , Japan
- Department of Neurosurgery, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
| | - Satoka Hashimoto
- Department of Functional Neurosurgery, Tokyo Medical and Dental University , 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510 , JAPAN
| | - Motoki Inaji
- Department of Functional Neurosurgery, Tokyo Medical and Dental University , 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510 , JAPAN
| | - Hiroshi Shirozu
- Department of Neurosurgery, Nishi-Niigata Chuo National Hospital , 1-14-1 Masago, Nishi-ku, Niigata 950-2085 , Japan
| | - Kyoko Kanazawa
- Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry , 4-1-1 Ogawa-higashi-cho, Kodaira-shi, Tokyo 187-8551 , Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry , 4-1-1 Ogawa-higashi-cho, Kodaira-shi, Tokyo 187-8551 , Japan
| | - Naotaka Usui
- Department of Neurosurgery, Shizuoka Institute of Epilepsy and Neurological Disorders , Urushiyama 886, Aoi-ku, Shizuoka 420-8688 , Japan
| | - Yushi Inoue
- Department of Psychiatry, Shizuoka Institute of Epilepsy and Neurological Disorders , Urushiyama 886, Aoi-ku, Shizuoka 420-8688 , Japan
| | - Taketoshi Maehara
- Department of Functional Neurosurgery, Tokyo Medical and Dental University , 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510 , JAPAN
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine , 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507 , Japan
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Takayama Y, Kimura Y, Iijima K, Yokosako S, Kosugi K, Yamamoto K, Shimizu-Motohashi Y, Kaneko Y, Yamamoto T, Iwasaki M. Volume-Based Radiofrequency Thermocoagulation for Pediatric Insulo-Opercular Epilepsy: A Feasibility Study. Oper Neurosurg (Hagerstown) 2022; 23:241-249. [PMID: 35972088 DOI: 10.1227/ons.0000000000000294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 04/03/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Stereotactic ablation surgeries including radiofrequency thermocoagulation (RFTC) and laser interstitial thermal therapy are recent less invasive treatment methods for insular epilepsy. Volume-based RFTC after stereoelectroencephalography was first proposed by a French group as a more effective method for seizure relief in insular epilepsy patients than stereoelectroencephalography-guided RFTC. OBJECTIVE To describe the feasibility and technical details about volume-based RFTC in patients with insulo-opercular epilepsy. METHODS We successfully treated 3- and 6-year-old patients with medically refractory insulo-opercular epilepsy with volume-based RFTC, in which the target volume of coagulation was flexibly designed by combining multiple spherical models of 5-mm diameter which is smaller than reported previously. RESULTS The insula was targeted by oblique trajectory from the frontoparietal area in one case, and the opercular cortex was targeted by perpendicular trajectories from the perisylvian cortex in the other case. The use of the small sphere model required more trajectories and manipulations but enabled more exhaustive coagulation of the epileptogenic zone, with 70% to 78% of the planned target volume coagulated without complications, and daily seizures disappeared after RFTC in both patients. CONCLUSION Volume-based RFTC planned with small multiple sphere models may improve the completeness of lesioning for patients with insulo-opercular epilepsy. Careful planning is necessary to reduce the risks of vascular injuries.
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Affiliation(s)
- Yutaro Takayama
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan.,Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yuiko Kimura
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Suguru Yokosako
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kenzo Kosugi
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kaoru Yamamoto
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yuko Shimizu-Motohashi
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yuu Kaneko
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Tetsuya Yamamoto
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
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Gebauer U, Beleño C, Frey A, Adachi I, Adamczyk K, Aihara H, Al Said S, Asner D, Atmacan H, Aushev T, Ayad R, Babu V, Bahinipati S, Behera P, Belous K, Bennett J, Bessner M, Bhardwaj V, Bhuyan B, Bilka T, Biswal J, Bobrov A, Bonvicini G, Bozek A, Bračko M, Browder T, Campajola M, Cao L, Červenkov D, Chang MC, Chekelian V, Chen A, Cheon B, Chilikin K, Cho H, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Cunliffe S, Das S, Dash N, De Nardo G, Di Capua F, Dingfelder J, Doležal Z, Dong T, Eidelman S, Epifanov D, Ferber T, Ferlewicz D, Fulsom B, Garg R, Gaur V, Gabyshev N, Garmash A, Giri A, Goldenzweig P, Golob B, Gudkova K, Hadjivasiliou C, Halder S, Hara T, Hartbrich O, Hayasaka K, Hayashii H, Hedges M, Hou WS, Hsu CL, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs W, Jia S, Jin Y, Joo C, Joo K, Kahn J, Kaliyar A, Kang K, Karyan G, Kawasaki T, Kichimi H, Kiesling C, Kim C, Kim D, Kim S, Kim YK, Kinoshita K, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Kroeger R, Krokovny P, Kuhr T, Kumar M, Kumar R, Kumara K, Kuzmin A, Kwon YJ, Lalwani K, Lange J, Lee I, Lee S, Lewis P, Li Y, Li Gioi L, Libby J, Lieret K, Liventsev D, MacQueen C, Masuda M, Matsuda T, Matvienko D, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty G, Mrvar M, Mussa R, Nakao M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar N, Nishida S, Nishimura K, Ogawa S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Pardi S, Park H, Park SH, Patra S, Paul S, Pedlar T, Pestotnik R, Piilonen L, Podobnik T, Prencipe E, Prim M, Purohit M, Röhrken M, Rostomyan A, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sanuki T, Savinov V, Schnell G, Schueler J, Schwanda C, Seino Y, Senyo K, Sevior M, Shapkin M, Sharma C, Shiu JG, Shwartz B, Simon F, Solovieva E, Stanič S, Starič M, Stottler Z, Sumiyoshi T, Takizawa M, Tamponi U, Tenchini F, Trabelsi K, Uchida M, Uglov T, Unno Y, Uno S, Urquijo P, Van Tonder R, Varner G, Varvell K, Vossen A, Waheed E, Wang C, Wang MZ, Wang P, Wang X, Watanuki S, Wiechczynski J, Won E, Xu X, Yabsley B, Yan W, Yang S, Ye H, Yin J, Yuan C, Zhang Z, Zhilich V, Zhukova V. Measurement of the branching fractions of the
B+→ηℓ+νℓ
and
B+→η′ℓ+νℓ
decays with signal-side only reconstruction in the full
q2
range. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.106.032013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Kobayashi E, Kanno S, Kawakami N, Narita W, Saito M, Endo K, Iwasaki M, Kawaguchi T, Yamada S, Ishii K, Kazui H, Miyajima M, Ishikawa M, Mori E, Tominaga T, Tanaka F, Suzuki K. Risk factors for unfavourable outcomes after shunt surgery in patients with idiopathic normal-pressure hydrocephalus. Sci Rep 2022; 12:13921. [PMID: 35978079 PMCID: PMC9385629 DOI: 10.1038/s41598-022-18209-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 08/08/2022] [Indexed: 11/09/2022] Open
Abstract
A number of vascular risk factors (VRFs) have been reported to be associated with idiopathic normal-pressure hydrocephalus (iNPH), but it remains unclear whether these VRFs are related to patient outcomes after shunt surgery. Therefore, we investigated the risk factors for unfavourable outcomes after shunt surgery in iNPH patients using two samples from Tohoku University Hospital and from a multicentre prospective trial of lumboperitoneal (LP) shunt surgery for patients with iNPH (SINPHONI-2). We enrolled 158 iNPH patients. We compared the prevalence of VRFs and clinical measures between patients with favourable and unfavourable outcomes and identified predictors of unfavourable outcomes using multivariate logistic regression analyses. The presence of hypertension, longer disease duration, more severe urinary dysfunction, and a lower Evans' index were predictors of unfavourable outcomes after shunt surgery. In addition, hypertension and longer disease duration were also predictors in patients with independent walking, and a lower Evans' index was the only predictor in patients who needed assistance to walk or could not walk. Our findings indicate that hypertension is the only VRF related to unfavourable outcomes after shunt surgery in iNPH patients. Larger-scale studies are needed to elucidate the reason why hypertension can affect the irreversibility of symptoms after shunt placement.
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Affiliation(s)
- Erena Kobayashi
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.,Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Shigenori Kanno
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.
| | - Nobuko Kawakami
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Wataru Narita
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Makoto Saito
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.,Department of Neurosurgery, Southern Tohoku General Hospital, Iwanuma, Japan
| | - Keiko Endo
- Department of Rehabilitation, Tohoku University Hospital, Sendai, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | | | - Shigeki Yamada
- Department of Neurosurgery, Shiga University of Medical Science, Otsu, Japan
| | - Kazunari Ishii
- Department of Radiology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Hiroaki Kazui
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Kochi, Japan
| | - Masakazu Miyajima
- Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Masatsune Ishikawa
- Department of Neurosurgery and Normal Pressure Hydrocephalus Center, Rakuwakai Otowa Hospital, Kyoto, Japan
| | - Etsuro Mori
- Department of Behavioral Neurology and Cognitive Neuropsychiatry, Osaka University United Graduate School of Child Development, Suita, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Fumiaki Tanaka
- Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Kyoko Suzuki
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
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Fujii H, Sato N, Kimura Y, Mizutani M, Kusama M, Sumitomo N, Chiba E, Shigemoto Y, Takao M, Takayama Y, Iwasaki M, Nakagawa E, Mori H. MR Imaging Detection of CNS Lesions in Tuberous Sclerosis Complex: The Usefulness of T1WI with Chemical Shift Selective Images. AJNR Am J Neuroradiol 2022; 43:1202-1209. [PMID: 35835590 PMCID: PMC9575409 DOI: 10.3174/ajnr.a7573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/24/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE CNS lesions of tuberous sclerosis complex are diagnosed mainly by T2WI, FLAIR, and sometimes T1WI with magnetization transfer contrast. The usefulness of T1WI with chemical shift selective images was recently reported in focal cortical dysplasia type IIb, which has histopathologic and imaging features similar to those of tuberous sclerosis complex. We investigated the usefulness of the T1WI with chemical shift selective images in detecting CNS lesions of tuberous sclerosis complex. MATERIALS AND METHODS We retrospectively reviewed 25 consecutive patients with tuberous sclerosis complex (mean age, 11.9 [SD, 8.9] years; 14 males) who underwent MR imaging including T1WI, T1WI with magnetization transfer contrast, T1WI with chemical shift selective, T2WI, and FLAIR images. Two neuroradiologists assessed the number of CNS lesions in each sequence and compared them in 2 steps: among T1WI, T1WI with magnetization transfer contrast and T1WI with chemical shift selective images, and among T2WI, FLAIR, and T1WI with chemical shift selective images. We calculated the contrast ratio of the cortical tubers and of adjacent normal-appearing gray matter and the contrast ratio of radial migration lines and adjacent normal-appearing white matter in each sequence and compared them. RESULTS T1WI with chemical shift selective images was significantly superior to T1WI with magnetization transfer contrast for the detection of radial migration lines and contrast ratio of radial migration lines. There was no significant difference between T1WI with chemical shift selective images and T1WI with magnetization transfer contrast for the detection of cortical tubers and the contrast ratio of the cortical tubers. Both T2WI and FLAIR were statistically superior to T1WI with chemical shift selective images for the detection of cortical tubers. T1WI with chemical shift selective images was significantly superior to T2WI and FLAIR for the detection of radial migration lines. CONCLUSIONS The usefulness of T1WI with chemical shift selective images in detecting radial migration lines was demonstrated. Our findings suggest that the combination of T1WI with chemical shift selective images, T2WI, and FLAIR would be useful to evaluate the CNS lesions of patients with tuberous sclerosis complex in daily clinical practice.
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Affiliation(s)
- H Fujii
- From the Departments of Radiology (H.F., N.Sato, Y.K., M.K., E.C., Y.S.).,Department of Radiology (H.F., H.M.), Jichi Medical University, School of Medicine, Shimotsuke, Tochigi, Japan
| | - N Sato
- From the Departments of Radiology (H.F., N.Sato, Y.K., M.K., E.C., Y.S.)
| | - Y Kimura
- From the Departments of Radiology (H.F., N.Sato, Y.K., M.K., E.C., Y.S.)
| | - M Mizutani
- Pathology and Laboratory Medicine (M.M., M.T.)
| | - M Kusama
- From the Departments of Radiology (H.F., N.Sato, Y.K., M.K., E.C., Y.S.)
| | | | - E Chiba
- From the Departments of Radiology (H.F., N.Sato, Y.K., M.K., E.C., Y.S.)
| | - Y Shigemoto
- From the Departments of Radiology (H.F., N.Sato, Y.K., M.K., E.C., Y.S.)
| | - M Takao
- Pathology and Laboratory Medicine (M.M., M.T.)
| | - Y Takayama
- Neurosurgery (Y.T., M.I.), National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - M Iwasaki
- Neurosurgery (Y.T., M.I.), National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | | | - H Mori
- Department of Radiology (H.F., H.M.), Jichi Medical University, School of Medicine, Shimotsuke, Tochigi, Japan
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46
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Jeon H, Kang K, Park H, Adachi I, Aihara H, Al Said S, Asner D, Atmacan H, Aushev T, Ayad R, Babu V, Bahinipati S, Behera P, Belous K, Bennett J, Bernlochner F, Bessner M, Bhardwaj V, Bhuyan B, Bilka T, Bobrov A, Bodrov D, Borah J, Bozek A, Bračko M, Branchini P, Browder T, Budano A, Campajola M, Červenkov D, Chang MC, Chang P, Chen A, Cheon B, Chilikin K, Cho H, Cho K, Cho SJ, Choi SK, Choi Y, Choudhury S, Cinabro D, Cunliffe S, Das S, Dash N, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Doležal Z, Dong T, Epifanov D, Ferber T, Ferlewicz D, Fulsom B, Garg R, Gaur V, Gabyshev N, Giri A, Goldenzweig P, Golob B, Graziani E, Gu T, Gudkova K, Hadjivasiliou C, Hara T, Hayasaka K, Hayashii H, Hedges M, Higuchi T, Hou WS, Hsu CL, Inami K, Inguglia G, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs W, Jang EJ, Jia S, Jin Y, Joo K, Kahn J, Kakuno H, Kaliyar A, Kawasaki T, Kiesling C, Kim C, Kim D, Kim KH, Kim K, Kim YK, Kinoshita K, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Kroeger R, Krokovny P, Kuhr T, Kumar M, Kumara K, Kuzmin A, Kwon YJ, Lai YT, Lalwani K, Lam T, Lange J, Laurenza M, Lee S, Li C, Li J, Li Y, Li Y, Li Gioi L, Libby J, Lieret K, Liventsev D, Martini A, Masuda M, Matsuda T, Matvienko D, Maurya S, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty G, Nakao M, Narwal D, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar N, Nishida S, Ogawa K, Ogawa S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Pang T, Pardi S, Park SH, Passeri A, Patra S, Paul S, Pedlar T, Pestotnik R, Piilonen L, Podobnik T, Popov V, Prencipe E, Prim M, Purohit M, Röhrken M, Rostomyan A, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sanuki T, Savinov V, Schnell G, Schwanda C, Seino Y, Senyo K, Sevior M, Shapkin M, Sharma C, Shebalin V, Shen C, Shiu JG, Singh J, Sokolov A, Solovieva E, Starič M, Stottler Z, Strube J, Sumihama M, Sumiyoshi T, Takizawa M, Tamponi U, Tanida K, Tenchini F, Uchida M, Uglov T, Unno Y, Uno S, Urquijo P, Usov Y, Vahsen S, Van Tonder R, Varner G, Varvell K, Vinokurova A, Vossen A, Waheed E, Wang C, Wang MZ, Watanuki S, Won E, Yabsley B, Yan W, Yang S, Ye H, Yelton J, Yin J, Yuan C, Yusa Y, Zhai Y, Zhang Z, Zhilich V, Zhukova V. Search for the radiative penguin decays
B0→KS0KS0γ
in the Belle experiment. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.106.012006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Tüchler M, Sirghi F, Bazzi M, Bosnar D, Bragadireanu M, Carminati M, Cargnelli M, Clozza A, Curceanu C, Deda G, Del Grande R, De Paolis L, Fiorini C, Guaraldo C, Iliescu M, Iwasaki M, King P, Levi Sandri P, Marton J, Miliucci M, Moskal P, Napolitano F, Niedzwiecki S, Piscicchia K, Scordo A, Sgaramella F, Shi H, Silarski M, Sirghi D, Skurzok M, Spallone A, Vazquez Doce O, Widmann E, Zmeskal J. Main Features of the SIDDHARTA-2 Apparatus for Kaonic Deuterium X-Ray Measurements. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202226201016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The low-energy, non-perturbative regime of QCD can be studied directly by X-ray spectroscopy of light kaonic atoms. The SIDDHARTA-2 experiment, located at the DAΦNE collider, aims to measure the 2p → 1s transition in kaonic deuterium for the first time to extract the antikaon-nucleon scattering lengths. This measurement is impeded, inter alia, by the low K−d X-ray yield. Hence, several updates have been implemented on the apparatus to increase the signal-to-background ratio, which are discussed in detail in this paper: a lightweight gas target cell, novel Silicon Drift Detectors for the X-ray detection with excellent performance, and a veto system for active background suppression. The experiment has undergone a first preparatory run during DAΦNE’s commissioning phase in 2021, concluding with a successful kaonic helium measurement.
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48
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Chen YC, Lee YJ, Chang P, Adachi I, Aihara H, Al Said S, Asner DM, Aushev T, Ayad R, Babu V, Behera P, Belous K, Bennett J, Bessner M, Bilka T, Bodrov D, Borah J, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang MC, Chekelian V, Cheon BG, Chilikin K, Cho HE, Cho K, Cho SJ, Choi SK, Choi Y, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Dong TV, Dossett D, Epifanov D, Ferber T, Fulsom BG, Garg R, Gaur V, Giri A, Goldenzweig P, Gu T, Gudkova K, Hadjivasiliou C, Hartbrich O, Hayasaka K, Hayashii H, Hou WS, Hsu CL, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jia S, Jin Y, Kaliyar AB, Kim CH, Kim DY, Kim KH, Kim YK, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Kroeger R, Krokovny P, Kumar M, Kumar R, Kumara K, Kuzmin A, Kwon YJ, Lai YT, Lam T, Lange JS, Laurenza M, Lee SC, Li J, Li Y, Li YB, Li Gioi L, Libby J, Lieret K, Lin CW, Liventsev D, Martini A, Masuda M, Matsuda T, Matvienko D, Meier F, Merola M, Metzner F, Miyabayashi K, Mohanty GB, Moon TJ, Mussa R, Nakao M, Natochii A, Nayak L, Nisar NK, Nishida S, Nishimura K, Ogawa S, Ono H, Pakhlova G, Pang T, Pardi S, Park SH, Patra S, Paul S, Pedlar TK, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sanuki T, Savinov V, Schnell G, Schwanda C, Seidl R, Seino Y, Sevior ME, Shapkin M, Shiu JG, Singh JB, Sokolov A, Solovieva E, Starič M, Stottler ZS, Sumihama M, Sumisawa K, Sutcliffe W, Takizawa M, Tamponi U, Tanida K, Tenchini F, Uchida M, Uglov T, Unno Y, Uno K, Uno S, Van Tonder R, Varner G, Vinokurova A, Vossen A, Waheed E, Wang CH, Wang D, Wang E, Wang XL, Watanuki S, Won E, Yan W, Yang SB, Ye H, Yelton J, Zhai Y, Zhang ZP, Zhilich V, Zhukova V. Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle. Phys Rev Lett 2022; 128:142005. [PMID: 35476485 DOI: 10.1103/physrevlett.128.142005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
The measurement of two-particle angular correlation functions in high-multiplicity e^{+}e^{-} collisions at sqrt[s]=10.52 GeV is reported. In this study, the 89.5 fb^{-1} of hadronic e^{+}e^{-} annihilation data collected by the Belle detector at KEKB are used. Two-particle angular correlation functions are measured in the full relative azimuthal angle (Δϕ) and three units of pseudorapidity (Δη), defined by either the electron beam axis or the event-shape thrust axis, and are studied as a function of charged-particle multiplicity. The measurement in the thrust axis analysis, with mostly outgoing quark pairs determining the reference axis, is sensitive to the region of additional soft gluon emissions. No significant anisotropic collective behavior is observed with either coordinate analyses. Near-side jet correlations appear to be absent in the thrust axis analysis. The measurements are compared to predictions from various event generators and are expected to provide new constraints to the phenomenological models in the low-energy regime.
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Affiliation(s)
- Y-C Chen
- Department of Physics, National Taiwan University, Taipei 10617
| | - Y-J Lee
- Department of Physics, National Taiwan University, Taipei 10617
| | - P Chang
- Department of Physics, National Taiwan University, Taipei 10617
| | - I Adachi
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - H Aihara
- Department of Physics, University of Tokyo, Tokyo 113-0033
| | - S Al Said
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451
| | - D M Asner
- Brookhaven National Laboratory, Upton, New York 11973
| | - T Aushev
- National Research University Higher School of Economics, Moscow 101000
| | - R Ayad
- Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451
| | - V Babu
- Deutsches Elektronen-Synchrotron, 22607 Hamburg
| | - P Behera
- Indian Institute of Technology Madras, Chennai 600036
| | - K Belous
- Institute for High Energy Physics, Protvino 142281
| | - J Bennett
- University of Mississippi, University, Mississippi 38677
| | - M Bessner
- University of Hawaii, Honolulu, Hawaii 96822
| | - T Bilka
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague
| | - D Bodrov
- National Research University Higher School of Economics, Moscow 101000
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
| | - J Borah
- Indian Institute of Technology Guwahati, Assam 781039
| | - M Bračko
- J. Stefan Institute, 1000 Ljubljana
- Faculty of Chemistry and Chemical Engineering, University of Maribor, 2000 Maribor
| | | | - T E Browder
- University of Hawaii, Honolulu, Hawaii 96822
| | - A Budano
- INFN - Sezione di Roma Tre, I-00146 Roma
| | - M Campajola
- INFN - Sezione di Napoli, I-80126 Napoli
- Università di Napoli Federico II, I-80126 Napoli
| | - D Červenkov
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague
| | - M-C Chang
- Department of Physics, Fu Jen Catholic University, Taipei 24205
| | - V Chekelian
- Max-Planck-Institut für Physik, 80805 München
| | - B G Cheon
- Department of Physics and Institute of Natural Sciences, Hanyang University, Seoul 04763
| | - K Chilikin
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
| | - H E Cho
- Department of Physics and Institute of Natural Sciences, Hanyang University, Seoul 04763
| | - K Cho
- Korea Institute of Science and Technology Information, Daejeon 34141
| | - S-J Cho
- Yonsei University, Seoul 03722
| | - S-K Choi
- Chung-Ang University, Seoul 06974
| | - Y Choi
- Sungkyunkwan University, Suwon 16419
| | - D Cinabro
- Wayne State University, Detroit, Michigan 48202
| | - S Das
- Malaviya National Institute of Technology Jaipur, Jaipur 302017
| | - G De Nardo
- INFN - Sezione di Napoli, I-80126 Napoli
- Università di Napoli Federico II, I-80126 Napoli
| | | | - R Dhamija
- Indian Institute of Technology Hyderabad, Telangana 502285
| | - F Di Capua
- INFN - Sezione di Napoli, I-80126 Napoli
- Università di Napoli Federico II, I-80126 Napoli
| | | | - T V Dong
- Institute of Theoretical and Applied Research (ITAR), Duy Tan University, Hanoi 100000
| | - D Dossett
- School of Physics, University of Melbourne, Victoria 3010
| | - D Epifanov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - T Ferber
- Deutsches Elektronen-Synchrotron, 22607 Hamburg
| | - B G Fulsom
- Pacific Northwest National Laboratory, Richland, Washington 99352
| | - R Garg
- Panjab University, Chandigarh 160014
| | - V Gaur
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
| | - A Giri
- Indian Institute of Technology Hyderabad, Telangana 502285
| | - P Goldenzweig
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe
| | - T Gu
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - K Gudkova
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - C Hadjivasiliou
- Pacific Northwest National Laboratory, Richland, Washington 99352
| | - O Hartbrich
- University of Hawaii, Honolulu, Hawaii 96822
| | | | | | - W-S Hou
- Department of Physics, National Taiwan University, Taipei 10617
| | - C-L Hsu
- School of Physics, University of Sydney, New South Wales 2006
| | - T Iijima
- Graduate School of Science, Nagoya University, Nagoya 464-8602
- Kobayashi-Maskawa Institute, Nagoya University, Nagoya 464-8602
| | - K Inami
- Graduate School of Science, Nagoya University, Nagoya 464-8602
| | - A Ishikawa
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - R Itoh
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - M Iwasaki
- Osaka City University, Osaka 558-8585
| | - Y Iwasaki
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - W W Jacobs
- Indiana University, Bloomington, Indiana 47408
| | - S Jia
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443
| | - Y Jin
- Department of Physics, University of Tokyo, Tokyo 113-0033
| | - A B Kaliyar
- Tata Institute of Fundamental Research, Mumbai 400005
| | - C H Kim
- Department of Physics and Institute of Natural Sciences, Hanyang University, Seoul 04763
| | - D Y Kim
- Soongsil University, Seoul 06978
| | - K-H Kim
- Yonsei University, Seoul 03722
| | - Y-K Kim
- Yonsei University, Seoul 03722
| | - P Kodyš
- Faculty of Mathematics and Physics, Charles University, 121 16 Prague
| | - T Konno
- Kitasato University, Sagamihara 252-0373
| | - A Korobov
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - S Korpar
- J. Stefan Institute, 1000 Ljubljana
- Faculty of Chemistry and Chemical Engineering, University of Maribor, 2000 Maribor
| | - E Kovalenko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - P Križan
- J. Stefan Institute, 1000 Ljubljana
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana
| | - R Kroeger
- University of Mississippi, University, Mississippi 38677
| | - P Krokovny
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - M Kumar
- Malaviya National Institute of Technology Jaipur, Jaipur 302017
| | - R Kumar
- Punjab Agricultural University, Ludhiana 141004
| | - K Kumara
- Wayne State University, Detroit, Michigan 48202
| | - A Kuzmin
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
- Novosibirsk State University, Novosibirsk 630090
| | | | - Y-T Lai
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo, Kashiwa 277-8583
| | - T Lam
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
| | - J S Lange
- Justus-Liebig-Universität Gießen, 35392 Gießen
| | - M Laurenza
- INFN - Sezione di Roma Tre, I-00146 Roma
- Dipartimento di Matematica e Fisica, Università di Roma Tre, I-00146 Roma
| | - S C Lee
- Kyungpook National University, Daegu 41566
| | - J Li
- Kyungpook National University, Daegu 41566
| | - Y Li
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443
| | - Y B Li
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443
| | - L Li Gioi
- Max-Planck-Institut für Physik, 80805 München
| | - J Libby
- Indian Institute of Technology Madras, Chennai 600036
| | - K Lieret
- Ludwig Maximilians University, 80539 Munich
| | - C-W Lin
- Department of Physics, National Taiwan University, Taipei 10617
| | - D Liventsev
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
- Wayne State University, Detroit, Michigan 48202
| | - A Martini
- Deutsches Elektronen-Synchrotron, 22607 Hamburg
| | - M Masuda
- Research Center for Nuclear Physics, Osaka University, Osaka 567-0047
- Earthquake Research Institute, University of Tokyo, Tokyo 113-0032
| | - T Matsuda
- University of Miyazaki, Miyazaki 889-2192
| | - D Matvienko
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
- Novosibirsk State University, Novosibirsk 630090
| | - F Meier
- Duke University, Durham, North Carolina 27708
| | - M Merola
- INFN - Sezione di Napoli, I-80126 Napoli
- Università di Napoli Federico II, I-80126 Napoli
| | - F Metzner
- Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe
| | | | - G B Mohanty
- Tata Institute of Fundamental Research, Mumbai 400005
| | - T J Moon
- Seoul National University, Seoul 08826
| | - R Mussa
- INFN - Sezione di Torino, I-10125 Torino
| | - M Nakao
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - A Natochii
- University of Hawaii, Honolulu, Hawaii 96822
| | - L Nayak
- Indian Institute of Technology Hyderabad, Telangana 502285
| | - N K Nisar
- Brookhaven National Laboratory, Upton, New York 11973
| | - S Nishida
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - K Nishimura
- University of Hawaii, Honolulu, Hawaii 96822
| | - S Ogawa
- Toho University, Funabashi 274-8510
| | - H Ono
- Nippon Dental University, Niigata 951-8580
- Niigata University, Niigata 950-2181
| | - G Pakhlova
- National Research University Higher School of Economics, Moscow 101000
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
| | - T Pang
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - S Pardi
- INFN - Sezione di Napoli, I-80126 Napoli
| | - S-H Park
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - S Patra
- Indian Institute of Science Education and Research Mohali, SAS Nagar, 140306
| | - S Paul
- Max-Planck-Institut für Physik, 80805 München
- Department of Physics, Technische Universität München, 85748 Garching
| | | | - L E Piilonen
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
| | - T Podobnik
- J. Stefan Institute, 1000 Ljubljana
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana
| | | | | | - N Rout
- Indian Institute of Technology Madras, Chennai 600036
| | - G Russo
- Università di Napoli Federico II, I-80126 Napoli
| | - D Sahoo
- Iowa State University, Ames, Iowa 50011
| | - S Sandilya
- Indian Institute of Technology Hyderabad, Telangana 502285
| | - A Sangal
- University of Cincinnati, Cincinnati, Ohio 45221
| | - L Santelj
- J. Stefan Institute, 1000 Ljubljana
- Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana
| | - T Sanuki
- Department of Physics, Tohoku University, Sendai 980-8578
| | - V Savinov
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - G Schnell
- Department of Physics, University of the Basque Country UPV/EHU, 48080 Bilbao
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao
| | - C Schwanda
- Institute of High Energy Physics, Vienna 1050
| | - R Seidl
- RIKEN BNL Research Center, Upton, New York 11973
| | - Y Seino
- Niigata University, Niigata 950-2181
| | - M E Sevior
- School of Physics, University of Melbourne, Victoria 3010
| | - M Shapkin
- Institute for High Energy Physics, Protvino 142281
| | - J-G Shiu
- Department of Physics, National Taiwan University, Taipei 10617
| | - J B Singh
- Panjab University, Chandigarh 160014
| | - A Sokolov
- Institute for High Energy Physics, Protvino 142281
| | - E Solovieva
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
| | - M Starič
- J. Stefan Institute, 1000 Ljubljana
| | - Z S Stottler
- Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
| | | | - K Sumisawa
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | | | - M Takizawa
- J-PARC Branch, KEK Theory Center, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
- Meson Science Laboratory, Cluster for Pioneering Research, RIKEN, Saitama 351-0198
- Showa Pharmaceutical University, Tokyo 194-8543
| | - U Tamponi
- INFN - Sezione di Torino, I-10125 Torino
| | - K Tanida
- Advanced Science Research Center, Japan Atomic Energy Agency, Naka 319-1195
| | - F Tenchini
- Deutsches Elektronen-Synchrotron, 22607 Hamburg
| | - M Uchida
- Tokyo Institute of Technology, Tokyo 152-8550
| | - T Uglov
- National Research University Higher School of Economics, Moscow 101000
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
| | - Y Unno
- Department of Physics and Institute of Natural Sciences, Hanyang University, Seoul 04763
| | - K Uno
- Niigata University, Niigata 950-2181
| | - S Uno
- SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | | | - G Varner
- University of Hawaii, Honolulu, Hawaii 96822
| | - A Vinokurova
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - A Vossen
- Duke University, Durham, North Carolina 27708
| | - E Waheed
- High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
| | - C H Wang
- National United University, Miao Li 36003
| | - D Wang
- University of Florida, Gainesville, Florida 32611
| | - E Wang
- University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - X L Wang
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443
| | | | - E Won
- Korea University, Seoul 02841
| | - W Yan
- Department of Modern Physics and State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026
| | | | - H Ye
- Deutsches Elektronen-Synchrotron, 22607 Hamburg
| | - J Yelton
- University of Florida, Gainesville, Florida 32611
| | - Y Zhai
- Iowa State University, Ames, Iowa 50011
| | - Z P Zhang
- Department of Modern Physics and State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026
| | - V Zhilich
- Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
- Novosibirsk State University, Novosibirsk 630090
| | - V Zhukova
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
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Saitoh Y, Iwasaki M, Mizutani M, Kimura Y, Hasegawa M, Sato N, Takao M, Takahashi Y. Pathologically verified corticobasal degeneration mimicking Richardson's syndrome coexisting clinically and radiologically shunt‐responsive normal pressure hydrocephalus. Mov Disord Clin Pract 2022; 9:508-515. [PMID: 35582317 PMCID: PMC9092758 DOI: 10.1002/mdc3.13442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/14/2022] [Accepted: 03/14/2022] [Indexed: 11/21/2022] Open
Abstract
Background Normal pressure hydrocephalus (NPH) manifests as gait instability, cognitive impairment, and urinary incontinence. This clinical triad of NPH sometimes occurs with ventriculomegaly in patients with neurodegenerative disease. Patients with pathologically verified neurodegenerative diseases, such as progressive supranuclear palsy (PSP), have received antemortem diagnoses of NPH. Objectives This study presents clinical and pathological features of a patient with pathologically verified corticobasal degeneration (CBD) coexisting with clinically shunt‐responsive NPH. Methods We performed clinical, radiological, and pathological evaluations in a patient with CBD whose antemortem diagnosis was PSP Richardson's syndrome (PSP‐RS) coexisting with shunt‐responsive NPH. Results A 59‐year‐old woman developed bradykinesia and gait instability and then frequent falls, urinary incontinence, and supranuclear vertical gaze palsy followed. At 63 years of age, her gait disturbance and urinary incontinence had deteriorated rapidly, and cognitive impairment was disclosed. There were typical findings of NPH with ventriculomegaly and disproportionately enlarged subarachnoid space hydrocephalus as well as a 2‐layer appearance with decreased and increased cerebral blood perfusion. Shunt placement ameliorated gait instability for more than 1 year and improved radiological indicators of NPH. However, atrophy of the midbrain progressed with time after transient increases in size. Although the antemortem diagnosis was probable PSP‐RS, pathological evaluation verified CBD. There were severe discontinuities of the ependymal lining of the lateral ventricles and subependymal rarefaction and gliosis with tau‐positive deposition. Conclusions Shunt surgery could ameliorate NPH symptoms in patients with 4‐repeat tauopathies. Careful assessments of clinical findings are necessary to predict the benefits of shunts as a therapeutic option for patients with neurodegenerative diseases coexisting with NPH.
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Affiliation(s)
- Yuji Saitoh
- Department of Neurology National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
| | - Masaki Iwasaki
- Department of Neurosurgery National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
| | - Masashi Mizutani
- Department of Laboratory Medicine National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
| | - Yukio Kimura
- Department of Radiology National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
| | - Masato Hasegawa
- Dementia Research Project Tokyo Metropolitan Institute of Medical Science, 2‐1‐6 Kamikitazawa, Setagaya‐ku Tokyo 156‐8506 Japan
| | - Noriko Sato
- Department of Radiology National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
| | - Masaki Takao
- Department of Laboratory Medicine National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
| | - Yuji Takahashi
- Department of Neurology National Center Hospital, National Center of Neurology and Psychiatry, 4‐1‐1 Ogawa‐higashi, Kodaira Tokyo 187‐8551 Japan
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50
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Kosugi K, Iijima K, Yokosako S, Takayama Y, Kimura Y, Kaneko Y, Sumitomo N, Saito T, Nakagawa E, Sato N, Iwasaki M. Low EEG Gamma Entropy and Glucose Hypometabolism After Corpus Callosotomy Predicts Seizure Outcome After Subsequent Surgery. Front Neurol 2022; 13:831126. [PMID: 35401399 PMCID: PMC8989433 DOI: 10.3389/fneur.2022.831126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 02/09/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundPatients with generalized epilepsy who had lateralized EEG abnormalities after corpus callosotomy (CC) occasionally undergo subsequent surgeries to control intractable epilepsy.ObjectivesThis study evaluated retrospectively the combination of EEG multiscale entropy (MSE) and FDG-PET for identifying lateralization of the epileptogenic zone after CC.MethodsThis study included 14 patients with pharmacoresistant epilepsy who underwent curative epilepsy surgery after CC. Interictal scalp EEG and FDG-PET obtained after CC were investigated to determine (1) whether the MSE calculated from the EEG and FDG-PET findings was lateralized to the surgical side, and (2) whether the lateralization was associated with seizure outcomes.ResultsSeizure reduction rate was higher in patients with lateralized findings to the surgical side than those without (MSE: p < 0.05, FDG-PET: p < 0.05, both: p < 0.01). Seizure free rate was higher in patients with lateralized findings in both MSE and FDG-PET than in those without (p < 0.05).ConclusionsThis study demonstrated that patients with lateralization of MSE and FDG-PET to the surgical side had better seizure outcomes. The combination of MSE and conventional FDG-PET may help to select surgical candidates for additional surgery after CC with good postoperative seizure outcomes.
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Affiliation(s)
- Kenzo Kosugi
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Suguru Yokosako
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yutaro Takayama
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yuiko Kimura
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Yuu Kaneko
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Noriko Sumitomo
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Takashi Saito
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Eiji Nakagawa
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Noriko Sato
- Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
- *Correspondence: Masaki Iwasaki
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