1
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Sakai K, Fuke H, Yoshimura K, Sasaki M, Abe K, Haino S, Hams T, Hasegawa M, Kim KC, Lee MH, Makida Y, Mitchell JW, Nishimura J, Nozaki M, Orito R, Ormes JF, Seo ES, Streitmatter RE, Thakur N, Yamamoto A, Yoshida T. Search for Antideuterons of Cosmic Origin Using the BESS-Polar II Magnetic-Rigidity Spectrometer. Phys Rev Lett 2024; 132:131001. [PMID: 38613296 DOI: 10.1103/physrevlett.132.131001] [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: 05/21/2023] [Revised: 10/21/2023] [Accepted: 01/10/2024] [Indexed: 04/14/2024]
Abstract
We searched for antideuterons (d[over ¯]'s) in the 4.7×10^{9} cosmic-ray events observed during the BESS-Polar II flight at solar minimum in 2007-2008 but found no candidates. The resulting 95% C.L. upper limit on the d[over ¯] flux is 6.7×10^{-5} (m^{2} s sr GeV/n)^{-1} in an energy range from 0.163 to 1.100 GeV/n. The result has improved by more than a factor of 14 from the upper limit of BESS97, which had a potential comparable to that of BESS-Polar II in the search for cosmic-origin d[over ¯]'s and was conducted during the former solar minimum. The upper limit of d[over ¯] flux from BESS-Polar II is the first result achieving the sensitivity to constrain the latest theoretical predictions.
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Affiliation(s)
- K Sakai
- NASA-Goddard Space Flight Center (NASA-GSFC), Greenbelt, Maryland 20771, USA
- Center for Research and Exploration in Space Science and Technology (CRESST)
| | - H Fuke
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara, Kanagawa 252-5210, Japan
| | - K Yoshimura
- Okayama University, Okayama, Okayama 700-8530, Japan
| | - M Sasaki
- NASA-Goddard Space Flight Center (NASA-GSFC), Greenbelt, Maryland 20771, USA
- Center for Research and Exploration in Space Science and Technology (CRESST)
| | - K Abe
- Kobe University, Kobe, Hyogo 657-8501, Japan
| | - S Haino
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - T Hams
- NASA-Goddard Space Flight Center (NASA-GSFC), Greenbelt, Maryland 20771, USA
- Center for Research and Exploration in Space Science and Technology (CRESST)
| | - M Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - K C Kim
- IPST, University of Maryland, College Park, Maryland 20742, USA
| | - M H Lee
- IPST, University of Maryland, College Park, Maryland 20742, USA
| | - Y Makida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - J W Mitchell
- NASA-Goddard Space Flight Center (NASA-GSFC), Greenbelt, Maryland 20771, USA
| | - J Nishimura
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara, Kanagawa 252-5210, Japan
- The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan
| | - M Nozaki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - R Orito
- Kobe University, Kobe, Hyogo 657-8501, Japan
| | - J F Ormes
- University of Denver, Denver, Colorado 80208, USA
| | - E S Seo
- IPST, University of Maryland, College Park, Maryland 20742, USA
| | - R E Streitmatter
- NASA-Goddard Space Flight Center (NASA-GSFC), Greenbelt, Maryland 20771, USA
| | - N Thakur
- NASA-Goddard Space Flight Center (NASA-GSFC), Greenbelt, Maryland 20771, USA
| | - A Yamamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - T Yoshida
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara, Kanagawa 252-5210, Japan
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2
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Hattori Y, Uda H, Niu A, Yoshimura K, Sugawara Y. Ambulatory sagittal split ramus osteotomy: strategy for enhanced recovery after surgery. Int J Oral Maxillofac Surg 2023; 52:476-480. [PMID: 36100528 DOI: 10.1016/j.ijom.2022.08.015] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 08/02/2022] [Accepted: 08/16/2022] [Indexed: 11/19/2022]
Abstract
The sagittal split ramus osteotomy (SSRO) has been performed mainly on an inpatient basis because of the duration of anaesthesia and the potential risk of postoperative complications, such as bleeding, pain, nausea, and vomiting. However, advances in both surgical and anaesthetic management have enabled the reduction of these risks and shortened the length of hospital stay. Thus, the SSRO may be feasible even in the ambulatory setting in elective cases. The clinical records of all patients who underwent an outpatient SSRO between August 2011 and September 2020 at Lilla Craniofacial Clinic were reviewed retrospectively. Data on age, sex, duration of surgery, operative procedures, intraoperative bleeding, and admission status were investigated. In total, 143 patients underwent a bilateral SSRO. The SSRO was performed as an isolated procedure in 73 patients and concomitantly with other surgical procedures in the remaining 70 patients. Overall, 142 of the 143 patients were discharged on the day of surgery (99.3%); only one (0.7%) required an overnight stay because of a submental haemorrhage after genioplasty. No emergency hospitalizations or readmissions occurred after discharge. Multimodal perioperative management, both surgical and anaesthetic, facilitated enhanced patient recovery after surgery, and SSRO was performed successfully and safely as an ambulatory procedure.
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Affiliation(s)
- Y Hattori
- Department of Plastic Surgery, Kanto Central Hospital of the Mutual Aid Association of Public School Teachers, Setagaya-ku, Tokyo, Japan
| | - H Uda
- Department of Plastic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan; Lilla Craniofacial Clinic Tokyo, Chuo-ku, Tokyo, Japan.
| | - A Niu
- Department of Plastic Surgery, Kanto Central Hospital of the Mutual Aid Association of Public School Teachers, Setagaya-ku, Tokyo, Japan
| | - K Yoshimura
- Department of Plastic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Y Sugawara
- Department of Plastic Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan; Lilla Craniofacial Clinic Tokyo, Chuo-ku, Tokyo, Japan
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3
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Nocerino E, Witteveen C, Kobayashi S, Forslund OK, Matsubara N, Zubayer A, Mazza F, Kawaguchi S, Hoshikawa A, Umegaki I, Sugiyama J, Yoshimura K, Sassa Y, von Rohr FO, Månsson M. Nuclear and magnetic spin structure of the antiferromagnetic triangular lattice compound LiCrTe 2 investigated by [Formula: see text]SR, neutron and X-ray diffraction. Sci Rep 2022; 12:21657. [PMID: 36522382 PMCID: PMC9755140 DOI: 10.1038/s41598-022-25921-9] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Two-dimensional (2D) triangular lattice antiferromagnets (2D-TLA) often manifest intriguing physical and technological properties, due to the strong interplay between lattice geometry and electronic properties. The recently synthesized 2-dimensional transition metal dichalcogenide LiCrTe[Formula: see text], being a 2D-TLA, enriched the range of materials which can present such properties. In this work, muon spin rotation ([Formula: see text]SR) and neutron powder diffraction (NPD) have been utilized to reveal the true magnetic nature and ground state of LiCrTe[Formula: see text]. From high-resolution NPD the magnetic spin order at base-temperature is not, as previously suggested, helical, but rather collinear antiferromagnetic (AFM) with ferromagnetic (FM) spin coupling within the ab-plane and AFM coupling along the c-axis. The value if the ordered magnetic Cr moment is established as [Formula: see text]. From detailed [Formula: see text]SR measurements we observe an AFM ordering temperature [Formula: see text] K. This value is remarkably higher than the one previously reported by magnetic bulk measurements. From [Formula: see text]SR we are able to extract the magnetic order parameter, whose critical exponent allows us to categorize LiCrTe[Formula: see text] in the 3D Heisenberg AFM universality class. Finally, by combining our magnetic studies with high-resolution synchrotron X-ray diffraction (XRD), we find a clear coupling between the nuclear and magnetic spin lattices. This suggests the possibility for a strong magnon-phonon coupling, similar to what has been previously observed in the closely related compound LiCrO[Formula: see text].
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Affiliation(s)
- E. Nocerino
- KTH Royal Institute of Technology, Department of Applied Physics, Alba Nova University Center, 114 21 Stockholm, Sweden
| | - C. Witteveen
- Department of Quantum Matter Physics, University of Geneva, 24 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland
- Department of Physics, University of Zürich, Winterthurerstr. 190, 8057 Zurich, Switzerland
| | - S. Kobayashi
- Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, 679-5198 Japan
| | - O. K. Forslund
- Department of Physics, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - N. Matsubara
- KTH Royal Institute of Technology, Department of Applied Physics, Alba Nova University Center, 114 21 Stockholm, Sweden
| | - A. Zubayer
- Department of Physics, Chemistry and Biology (IFM), Linköping University, 581 83 Linköping, Sweden
| | - F. Mazza
- Insitute of Solid State Physics, TU Wien, Wiedner Haupstraße 8-10, 1040 Vienna, Austria
| | - S. Kawaguchi
- Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, 679-5198 Japan
| | - A. Hoshikawa
- Frontier Research Center for Applied Atomic Sciences, Ibaraki University, 162-1 Shirakata, Tokai, Ibaraki 319-1106 Japan
| | - I. Umegaki
- Muon Science Laboratory, Institute of Materials Structure Science, KEK, Tokai, Ibaraki 319-1106 Japan
| | - J. Sugiyama
- Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society (CROSS), Tokai, Ibaraki 319-1106 Japan
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195 Japan
| | - K. Yoshimura
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto, 606-8502 Japan
| | - Y. Sassa
- Department of Physics, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - F. O. von Rohr
- Department of Quantum Matter Physics, University of Geneva, 24 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland
| | - M. Månsson
- KTH Royal Institute of Technology, Department of Applied Physics, Alba Nova University Center, 114 21 Stockholm, Sweden
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4
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Yamaguchi H, Wakuda K, Fukuda M, Kenmotsu H, Ito K, Tsuchiya-Kawano Y, Tanaka K, Harada T, Nakatani Y, Miura S, Yokoyama T, Nakamura T, Izumi M, Nakamura A, Ikeda S, Takayama K, Yoshimura K, Nakagawa K, Yamamoto N, Sugio K. 990P Osimertinib for RT-naïve CNS metastasis of EGFR mutation-positive NSCLC: Phase II OCEAN study (LOGIK 1603/WJOG 9116L), part of the first-line cohort. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1117] [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: 11/16/2022] Open
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5
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Mamesaya N, Harada H, Hata A, Konno M, Nakamatsu K, Hayashi H, Yamamoto T, Saito R, Mayahara H, Kokubo M, Sato Y, Yoshimura K, Nishimura Y, Yamamoto N, Nakagawa K. 958P Intensity-modulated radiotherapy (IMRT)-adapted chemoradiotherapy (CRT) followed by durvalumab for locally advanced non-small cell lung cancer (NSCLC): A multicenter prospective observational study (WJOG12019L). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1084] [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: 11/01/2022] Open
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6
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Hara H, Masuishi T, Ando T, Kawakami T, Yamamoto Y, Sugimoto N, Shiraishi K, Esaki T, Negoro Y, Tsuzuki T, Sawai H, Nakamura M, Inagaki T, Shinohara Y, Kawakami H, Kawakami K, Katsuya H, Maeda O, Fujita Y, Yoshimura K, Nakajima T, Muro K. P-99 A multicenter phase II study of mFOLFOX6 in advanced gastric cancer patients with severe peritoneal metastases: WJOG10517G. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.189] [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: 11/01/2022] Open
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7
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Ando T, Nakashima K, Yoshita H, Sakumura M, Nomura M, Muto M, Fujii H, Horie Y, Takeda H, Yoshii T, Tahara Y, Katada C, Yoshimura K, Ishikawa H, Hosokawa A. P-108 A phase II study of weekly paclitaxel in patients with advanced or recurrent esophageal cancer who had previously received docetaxel-containing chemotherapy. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.198] [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: 11/26/2022] Open
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8
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Taniguchi H, Inoue T, Kawa G, Murota T, Tsukino H, Yoshimura K, Kamoto T, Ogawa O, Matsuda T, Kinoshita H. Evaluation of sexual function after dutasteride treatment in patients with once negative prostate biopsy and benign prostate hyperplasia. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.490] [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: 10/18/2022]
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9
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Furukawa K, Shima A, Kambe D, Nishida A, Wada I, Sakamaki H, Yoshimura K, Terada Y, Sakato Y, Mitsuhashi M, Sawamura M, Nakanishi E, Taruno Y, Yamakado H, Fushimi Y, Okada T, Nakamoto Y, Takahashi R, Sawamoto N. Motor progression and nigrostriatal neurodegeneration in Parkinson’s disease. Ann Neurol 2022; 92:110-121. [DOI: 10.1002/ana.26373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 04/03/2022] [Accepted: 04/11/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Koji Furukawa
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Atsushi Shima
- Human Brain Research Center Kyoto University Graduate School of Medicine Kyoto Japan
| | - Daisuke Kambe
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Akira Nishida
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Ikko Wada
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Haruhi Sakamaki
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Kenji Yoshimura
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Yuta Terada
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Yusuke Sakato
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Masahiro Mitsuhashi
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Masanori Sawamura
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Etsuro Nakanishi
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Yosuke Taruno
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Hodaka Yamakado
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Yasutaka Fushimi
- Department of Diagnostic Imaging and Nuclear Medicine Kyoto University Graduate School of Medicine Kyoto Japan
| | - Tomohisa Okada
- Human Brain Research Center Kyoto University Graduate School of Medicine Kyoto Japan
- Department of Diagnostic Imaging and Nuclear Medicine Kyoto University Graduate School of Medicine Kyoto Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine Kyoto University Graduate School of Medicine Kyoto Japan
| | - Ryosuke Takahashi
- Department of Neurology Kyoto University Graduate School of Medicine Kyoto Japan
| | - Nobukatsu Sawamoto
- Department of Human Health Sciences Kyoto University Graduate School of Medicine Kyoto Japan
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10
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Honma O, Watanabe C, Fukuchimoto H, Kashiwazaki J, Tateba M, Wagatsuma S, Ogata K, Maki K, Sonou H, Shiga K, Otsuka E, Hiruta M, Hirasawa Y, Hosonuma M, Murayama M, Narikawa Y, Toyoda H, Tsurui T, Kuramasu A, Kin M, Kubota Y, Sambe T, Horiike A, Ishida H, Shimada K, Umeda M, Tsunoda T, Yoshimura K. Verification of the Usefulness of an Assessment and Risk Control Sheet that Promotes Management of Cancer Drug Therapy. Front Pharmacol 2022; 13:744916. [PMID: 35222016 PMCID: PMC8864067 DOI: 10.3389/fphar.2022.744916] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 01/20/2022] [Indexed: 12/22/2022] Open
Abstract
Background: Proper management of adverse events is crucial for the safe and effective implementation of anticancer drug treatment. Showa University Hospital uses our interview sheet (assessment and risk control [ARC] sheet) for the accurate evaluation of adverse events. On the day of anticancer drug treatment, a nurse conducts a face-to-face interview. As a feature of the ARC sheet, by separately describing the symptoms the day before treatment and the day of treatment and sharing the information on the medical record, it is possible to clearly determine the status of adverse events. In this study, we hypothesized that the usefulness and points for improvement of the ARC sheet would be clarified by using and evaluating a patient questionnaire. Methods: This study included 174 patients (144 at Showa University Hospital (Hatanodai Hospital) and 30 at Showa University Koto Toyosu Hospital (Toyosu Hospital) who underwent pre-examination interviews by nurses and received cancer chemotherapy at the outpatient center of Hatanodai and Toyosu Hospital. In the questionnaire survey, the ARC sheet’s content and quality, respondents’ satisfaction, structural strengths, and points for improvement were evaluated on a five-point scale. Results: The patient questionnaire received responses from 160 participants, including the ARC sheet use group (132 people) and the non-use group (28 people). Unlike the ARC sheet non-use group, the ARC sheet use group recognized that the sheet was useful to understand the adverse events of aphthous ulcers (p = 0.017) and dysgeusia (p = 0.006). In the satisfaction survey questionnaire, there was a high sense of security in the pre-examination interviews by nurses using the ARC sheet. Conclusions: The ARC sheet is considered an effective tool for comprehensively evaluating adverse events. Pre-examination interviews by nurses using ARC sheets accurately determined the adverse events experienced by patients with anxiety and tension due to confrontation with physicians.
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Affiliation(s)
- O Honma
- Department of Nursing, Showa University Hospital, Tokyo, Japan.,Department of Nursing, Showa University School of Nursing and Rehabilitation Sciences, Kanagawa, Japan
| | - C Watanabe
- Department of Nursing, Showa University School of Nursing and Rehabilitation Sciences, Kanagawa, Japan
| | - H Fukuchimoto
- Department of Nursing, Showa University School of Nursing and Rehabilitation Sciences, Kanagawa, Japan.,Department of Nursing, Showa University Koto Toyosu Hospital, Tokyo, Japan
| | - J Kashiwazaki
- Faculty of Nursing, Kyoritsu Women's University, Tokyo, Japan
| | - M Tateba
- Department of Nursing, Showa University Hospital, Tokyo, Japan.,Department of Nursing, Showa University School of Nursing and Rehabilitation Sciences, Kanagawa, Japan
| | - S Wagatsuma
- Department of Nursing, Showa University Hospital, Tokyo, Japan.,Department of Nursing, Showa University School of Nursing and Rehabilitation Sciences, Kanagawa, Japan
| | - K Ogata
- Department of Nursing, Showa University Hospital, Tokyo, Japan
| | - K Maki
- Department of Nursing, Showa University Hospital, Tokyo, Japan
| | - H Sonou
- Department of Nursing, Showa University Hospital, Tokyo, Japan
| | - K Shiga
- Department of Nursing, Showa University Koto Toyosu Hospital, Tokyo, Japan
| | - E Otsuka
- Department of Nursing, Showa University Hospital, Tokyo, Japan
| | - M Hiruta
- Department of Nursing, Showa University Hospital, Tokyo, Japan
| | - Y Hirasawa
- Department of Medical Oncology, Showa University, Tokyo, Japan
| | - M Hosonuma
- Department of Clinical Immunology and Oncology, Clinical Research Institute for Clinical Pharmacology and Therapeutics, Showa University, Tokyo, Japan
| | - M Murayama
- Department of Clinical Immunology and Oncology, Clinical Research Institute for Clinical Pharmacology and Therapeutics, Showa University, Tokyo, Japan
| | - Y Narikawa
- Department of Clinical Immunology and Oncology, Clinical Research Institute for Clinical Pharmacology and Therapeutics, Showa University, Tokyo, Japan
| | - H Toyoda
- Department of Clinical Immunology and Oncology, Clinical Research Institute for Clinical Pharmacology and Therapeutics, Showa University, Tokyo, Japan
| | - T Tsurui
- Department of Medical Oncology, Showa University, Tokyo, Japan
| | - A Kuramasu
- Department of Clinical Immunology and Oncology, Clinical Research Institute for Clinical Pharmacology and Therapeutics, Showa University, Tokyo, Japan
| | - M Kin
- Department of Pharmacy, Showa University Hospital, Tokyo, Japan
| | - Y Kubota
- Department of Medical Oncology, Showa University, Tokyo, Japan
| | - T Sambe
- Division of Clinical Pharmacology, Department of Pharmacology, Showa University School of Medicine, Shinagawa-ku, Japan
| | - A Horiike
- Department of Medical Oncology, Showa University, Tokyo, Japan
| | - H Ishida
- Division of Medical Oncology, Showa University Northern Yokohama Hospital, Yokohama, Japan
| | - K Shimada
- Division of Medical Oncology, Internal Medicine Center, Showa University Koto Toyosu Hospital, Tokyo, Japan
| | - M Umeda
- Family Hospice Co., Ltd., Tokyo, Japan
| | - T Tsunoda
- Department of Medical Oncology, Showa University, Tokyo, Japan
| | - K Yoshimura
- Department of Clinical Immunology and Oncology, Clinical Research Institute for Clinical Pharmacology and Therapeutics, Showa University, Tokyo, Japan
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11
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Miwa K, Ahn JK, Akazawa Y, Aramaki T, Ashikaga S, Callier S, Chiga N, Choi SW, Ekawa H, Evtoukhovitch P, Fujioka N, Fujita M, Gogami T, Harada T, Hasegawa S, Hayakawa SH, Honda R, Hoshino S, Hosomi K, Ichikawa M, Ichikawa Y, Ieiri M, Ikeda M, Imai K, Ishikawa Y, Ishimoto S, Jung WS, Kajikawa S, Kanauchi H, Kanda H, Kitaoka T, Kang BM, Kawai H, Kim SH, Kobayashi K, Koike T, Matsuda K, Matsumoto Y, Nagao S, Nagatomi R, Nakada Y, Nakagawa M, Nakamura I, Nanamura T, Naruki M, Ozawa S, Raux L, Rogers TG, Sakaguchi A, Sakao T, Sako H, Sato S, Shiozaki T, Shirotori K, Suzuki KN, Suzuki S, Tabata M, Taille CDL, Takahashi H, Takahashi T, Takahashi TN, Tamura H, Tanaka M, Tanida K, Tsamalaidze Z, Ukai M, Umetsu H, Wada S, Yamamoto TO, Yoshida J, Yoshimura K. Precise Measurement of Differential Cross Sections of the Σ^{-}p→Λn Reaction in Momentum Range 470-650 MeV/c. Phys Rev Lett 2022; 128:072501. [PMID: 35244436 DOI: 10.1103/physrevlett.128.072501] [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] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
The differential cross sections of the Σ^{-}p→Λn reaction were measured accurately for the Σ^{-} momentum (p_{Σ}) ranging from 470 to 650 MeV/c at the J-PARC Hadron Experimental Facility. Precise angular information about the Σ^{-}p→Λn reaction was obtained for the first time by detecting approximately 100 reaction events at each angular step of Δcosθ=0.1. The obtained differential cross sections show a slightly forward-peaking structure in the measured momentum regions. The cross sections integrated for -0.7≤cosθ≤1.0 were obtained as 22.5±0.68 [statistical error(stat.)] ±0.65 [systematic error(syst.)] mb and 15.8±0.83(stat)±0.52(syst) mb for 470<p_{Σ}(MeV/c)<550 and 550<p_{Σ}(MeV/c)<650, respectively. These results show a drastic improvement compared with past measurements of the hyperon-proton scattering experiments. They will play essential roles in updating the theoretical models of the baryon-baryon interactions.
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Affiliation(s)
- K Miwa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - J K Ahn
- Department of Physics, Korea University, Seoul 02841, Korea
| | - Y Akazawa
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Aramaki
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - S Ashikaga
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - S Callier
- OMEGA Ecole Polytechnique-CNRS/IN2P3, 3 rue Michel-Ange, 75794 Paris 16, France
| | - N Chiga
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - S W Choi
- Department of Physics, Korea University, Seoul 02841, Korea
| | - H Ekawa
- High Energy Nuclear Physics Laboratory, RIKEN, Wako 351-0198, Japan
| | - P Evtoukhovitch
- Joint Institute for Nuclear Research (JINR), Dubna, Moscow Region 141980, Russia
| | - N Fujioka
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - M Fujita
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - T Gogami
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - T Harada
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - S Hasegawa
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - S H Hayakawa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - R Honda
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - S Hoshino
- Department of Physics, Osaka University, Toyonaka 560-0043, Japan
| | - K Hosomi
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - M Ichikawa
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
- Meson Science Laboratory, Cluster for Pioneering Research, RIKEN, Wako 351-0198, Japan
| | - Y Ichikawa
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - M Ieiri
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - M Ikeda
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - K Imai
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - Y Ishikawa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - S Ishimoto
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - W S Jung
- Department of Physics, Korea University, Seoul 02841, Korea
| | - S Kajikawa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - H Kanauchi
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - H Kanda
- Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki 567-0047, Japan
| | - T Kitaoka
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - B M Kang
- Department of Physics, Korea University, Seoul 02841, Korea
| | - H Kawai
- Department of Physics, Chiba University, Chiba 263-8522, Japan
| | - S H Kim
- Department of Physics, Korea University, Seoul 02841, Korea
| | - K Kobayashi
- Department of Physics, Osaka University, Toyonaka 560-0043, Japan
| | - T Koike
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - K Matsuda
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - Y Matsumoto
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - S Nagao
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - R Nagatomi
- Department of Physics, Osaka University, Toyonaka 560-0043, Japan
| | - Y Nakada
- Department of Physics, Osaka University, Toyonaka 560-0043, Japan
| | - M Nakagawa
- High Energy Nuclear Physics Laboratory, RIKEN, Wako 351-0198, Japan
| | - I Nakamura
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Nanamura
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - M Naruki
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - S Ozawa
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - L Raux
- OMEGA Ecole Polytechnique-CNRS/IN2P3, 3 rue Michel-Ange, 75794 Paris 16, France
| | - T G Rogers
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - A Sakaguchi
- Department of Physics, Osaka University, Toyonaka 560-0043, Japan
| | - T Sakao
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - H Sako
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - S Sato
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - T Shiozaki
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - K Shirotori
- Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki 567-0047, Japan
| | - K N Suzuki
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - S Suzuki
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - M Tabata
- Department of Physics, Chiba University, Chiba 263-8522, Japan
| | - C D L Taille
- OMEGA Ecole Polytechnique-CNRS/IN2P3, 3 rue Michel-Ange, 75794 Paris 16, France
| | - H Takahashi
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T Takahashi
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - T N Takahashi
- Nishina Center for Accelerator-based Science, RIKEN, Wako 351-0198, Japan
| | - H Tamura
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - M Tanaka
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - K Tanida
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - Z Tsamalaidze
- Joint Institute for Nuclear Research (JINR), Dubna, Moscow Region 141980, Russia
- Georgian Technical University (GTU), Tbilisi 0175, Georgia
| | - M Ukai
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
- Institute of Particle and Nuclear Studies (IPNS), High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
| | - H Umetsu
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - S Wada
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - T O Yamamoto
- Advanced Science Research Center (ASRC), Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
| | - J Yoshida
- Department of Physics, Tohoku University, Sendai 980-8578, Japan
| | - K Yoshimura
- Department of Physics, Okayama University, Okayama 700-8530, Japan
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12
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Fujita K, Matsushita M, Motooka D, Hatano K, Nishimoto M, Banno E, Hata J, Tsujimura A, Nakamura S, Minami T, Nozawa M, Yoshimura K, Obara W, Uemura H, Nonomura N. Firmicutes in gut microbiota correlate with blood testosterone levels in elderly men. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00479-1] [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: 11/15/2022]
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13
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Yoneda T, Tanaka T, Bando K, Choi B, Chang R, Fujiwara Y, Gupta P, Ham D, Karasawa H, Kuwae S, Lee S, Moriya Y, Takakura K, Tsurumaki Y, Watanabe T, Yoshimura K, Nomura M. Nonclinical and quality assessment of cell therapy products: Report on the 4th Asia Partnership Conference of Regenerative Medicine, April 15, 2021. Cytotherapy 2022; 24:892-904. [DOI: 10.1016/j.jcyt.2022.01.005] [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] [Received: 10/31/2021] [Revised: 01/17/2022] [Accepted: 01/21/2022] [Indexed: 11/03/2022]
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14
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Negoro H, Fukunaga A, Setoh K, Kawaguchi T, Funada S, Yoshino T, Yoshimura K, Nishiyama H, Tabara Y, Matsuda F, Ogawa O. Relationship between nocturia and sleep problem in cross-sectional and longitudinal analysis: The Nagahama study. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00918-6] [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: 11/27/2022]
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15
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Miwa K, Nanamura T, Sakao T, Ahn JK, Akazawa Y, Aramaki T, Ashikaga S, Callier S, Chiga N, Chiga N, Choi SW, Ekawa H, Evtoukhovitch P, Fujioka N, Fujita M, Gogami T, Harada T, Hasegawa S, Hayakawa SH, Honda R, Hoshino S, Hosomi K, Ichikawa M, Ichikawa Y, Ieiri M, Ikedai M, Imai K, Ishikawa Y, Ishimoto S, Jung WS, Kajikawa S, Kanauchi H, Kanda H, Kitaoka T, Kang BM, Kawai H, Kim SH, Kobayashi K, Koike T, Matsuda K, Matsumoto Y, Nagao S, Nagatomi R, Nakada Y, Nakagawa M, Nakamura I, Naruki M, Ozawa S, Raux L, Rogers TG, Sakaguchi A, Sako H, Sato S, Shiozaki T, Shirotori K, Suzuki KN, Suzuki S, Tabata M, Taille CDL, Takahashi H, Takahashi T, Takahashi TN, Tamura H, Tanaka M, Tanida K, Tsamalaidze Z, Ukai M, Umetsu H, Wada S, Yamamoto TO, Yoshida J, Yoshimura K. Recent progress and future prospects of hyperon nucleon scattering experiment. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202227104001] [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: 11/10/2022] Open
Abstract
A new hyperon-proton scattering experiment, dubbed J-PARC E40, was performed to measure differential cross sections of the Σ+p, Σ−p elastic scatterings and the Σ−p → Λn scattering by identifying a lot of Σ particles in the momentum ranging from 0.4 to 0.8 GeV/c produced by the π±p → K+Σ± reactions. We successfully measured the differential cross sections of these three channels with a drastically improved accuracy with a fine angular step. These new data will become important experimental constraints to improve the theories of the two-body baryon-baryon interactions. Following this success, we proposed a new experiment to measure the differential cross sections and spin observables by using a highly polarized Λ beam for providing quantitative information on the ΛN interaction. The results of three Σp channels and future prospects of the Λp scattering experiment are described.
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16
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Rocha P, Zhang J, Laza-Briviesca R, Cruz-Bermúdez A, Yoshimura K, Behrens C, Pataer A, Parra E, Haymaker C, Fujimoto J, Swisher S, Heymach J, Gibbons D, Lee J, Sepesi B, Cascone T, Solis L, Provencio M, Kadara H, Wistuba I. 7P Distinct immune gene programs associated with host tumor immunity, neoadjuvant chemotherapy and chemoimmunotherapy in resectable NSCLC. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.023] [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: 10/19/2022] Open
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17
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Shima A, Furukawa K, Kambe D, Nishida A, Sakamaki H, Yoshimura K, Wada I, Terada Y, Sakato Y, Yamakado H, Taruno Y, Nakanishi E, Sawamura M, Thuy DHD, Fujimoto K, Fushimi Y, Okada T, Nakamoto Y, Takahashi R, Sawamoto N. Micro-structural alteration of substantia nigra in Parkinson's disease; A 7 T MRI study. J Neurol Sci 2021. [DOI: 10.1016/j.jns.2021.118317] [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: 10/20/2022]
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18
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Dewake N, Ma X, Sato K, Nakatsu S, Yoshimura K, Eshita Y, Fujinaka H, Yano Y, Yoshinari N, Yoshida A. β-Glycyrrhetinic acid inhibits the bacterial growth and biofilm formation by supragingival plaque commensals. Microbiol Immunol 2021; 65:343-351. [PMID: 33860563 DOI: 10.1111/1348-0421.12884] [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: 02/11/2021] [Revised: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 11/30/2022]
Abstract
β-Glycyrrhetinic acid (BGA) is a natural antibacterial agent. Previous studies reported that BGA has antibacterial effects against several bacteria. This study evaluated the effects of BGA on the regulation of supragingival plaque bacteria. First, the minimum inhibitory concentrations (MICs) of BGA against oral bacteria were measured. Next, the minimum concentrations for inhibition of biofilm formation were evaluated against Streptococcus mutans and Streptococcus sobrinus, possessing insoluble glucan synthesis abilities. The MICs of biofilm formation by these bacteria ranged from 1/8 to 2× MIC. Furthermore, the inhibition effects of BGA against the coaggregation of Porphyromonas gingivalis and Streptococcus gordonii were evaluated. BGA at 32 or 64 μg/mL inhibited the coaggregation of these bacteria after a 30 min incubation. Lastly, the inhibition effects of BGA against human supragingival plaque bacteria were evaluated. Human supragingival plaque samples were obtained from 12 healthy donors. The inhibition effects of BGA against biofilm formation by these plaque bacteria were evaluated. Of 12 samples, the biofilm formation by 11 was significantly attenuated by 128-256 μg/mL of BGA. The number of colony forming units in these biofilms was also significantly attenuated. In conclusion, it was revealed that BGA inhibits the growth and biofilm formation of bacteria, furthermore, the same effect was confirmed with supragingival plaque bacteria. BGA is a good candidate for a natural agent that prevents the outbreak and progression of periodontal disease because it suppresses not only the growth and biofilm formation of bacteria, but also the coaggregation of P. gingivalis with plaque bacteria.
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Affiliation(s)
- Nanae Dewake
- Department of Periodontology, Faculty of Dentistry, Matsumoto Dental University, Shiojiri, Nagano, Japan
| | - Xiangtao Ma
- Department of Periodontology, Faculty of Dentistry, Matsumoto Dental University, Shiojiri, Nagano, Japan
| | - Kayo Sato
- Personal Health Care Product Research, Kao Corporation, Tokyo, Japan
| | - Susumu Nakatsu
- Personal Health Care Product Research, Kao Corporation, Tokyo, Japan
| | - Kenji Yoshimura
- Personal Health Care Product Research, Kao Corporation, Tokyo, Japan
| | - Yoshiyuki Eshita
- Personal Health Care Product Research, Kao Corporation, Tokyo, Japan
| | - Hidetake Fujinaka
- Personal Health Care Product Research, Kao Corporation, Tokyo, Japan
| | - Yoshitaka Yano
- Personal Health Care Product Research, Kao Corporation, Tokyo, Japan
| | - Nobuo Yoshinari
- Department of Periodontology, Faculty of Dentistry, Matsumoto Dental University, Shiojiri, Nagano, Japan
| | - Akihiro Yoshida
- Department of Oral Microbiology, Faculty of Dentistry, Matsumoto Dental University, Shiojiri, Nagano, Japan
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Ozaki H, Yoshimura K, Asaoka Y, Hayashi S. Antimony from brake dust to the combined sewer collection system via road effluent under rainy conditions. Environ Monit Assess 2021; 193:369. [PMID: 34052915 DOI: 10.1007/s10661-021-09152-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 05/20/2021] [Indexed: 06/12/2023]
Abstract
Abrasion of the brake lining of automobiles is one of the main antimony (Sb) sources on the road. Therefore, the road effluent possibly supplies Sb to the combined sewer collection system. However, Sb in road-sewer systems has attracted little concern, although heavy metals such as copper (Cu), zinc (Zn), cadmium (Cd), and lead (Pb) in sewer water have been studied by many previous authors. We investigated the effect of road effluent on Sb in the combined sewer water by collecting road effluent, road dust, and sewer water under rainy and dry weather conditions. Sb in road effluent showed a significantly higher concentration than the other types of samples, and the Sb concentration in sewer during wet weather was significantly higher than that during dry weather. Furthermore, the Sb concentration in sewer water decreased with time during a wash-off event. Clear positive relationships between Sb and Cu and between Sb and Ba in both road effluent and road dust extract indicate the effect of brake abrasion because the brake lining contains Cu, Sb, and Ba in high concentrations. Approximately 42% of Sb load occurred during the wash-off event, while the loads of Cu and Ba were much less. Unlike Cu and Ba, we conclude that Sb in combined sewer water largely depends on road effluent in wet weather due to the wash-off of road dust, which is probably associated with brake lining abrasion.
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Affiliation(s)
- H Ozaki
- Fukushima Regional Collaborative Research Center, National Institute for Environmental Studies, Japan, 10-2, Fukasaku, Miharu, Tamura, Fukushima, 963-7700, Japan.
| | - K Yoshimura
- Sector of Fukushima Research and Development, Japan Atomic Energy Agency, 45-169, Kaihama-Sukakeba, Haramachi, Minamisoma, Fukushima, 975-0036, Japan
| | - Y Asaoka
- Department of Civil Engineering, College of Engineering, Nihon University, 1, Nakagawara, Tokusada, Tamura, Koriyama, Fukushima, 963-8642, Japan
| | - S Hayashi
- Fukushima Regional Collaborative Research Center, National Institute for Environmental Studies, Japan, 10-2, Fukasaku, Miharu, Tamura, Fukushima, 963-7700, Japan
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Abstract
Sutures, the thin, soft tissue between skull bones, serve as the major craniofacial growth centers during postnatal development. In a newborn skull, the sutures are straight; however, as the skull develops, the sutures wind dynamically to form an interdigitation pattern. Moreover, the final winding pattern had been shown to have fractal characteristics. Although various molecules involved in suture development have been identified, the mechanism underlying the pattern formation remains unknown. In a previous study, we reproduced the formation of the interdigitation pattern in a mathematical model combining an interface equation and a convolution kernel. However, the generated pattern had a specific characteristic length, and the model was unable to produce a fractal structure with the model. In the present study, we focused on the anterior part of the sagittal suture and formulated a new mathematical model with time–space-dependent noise that was able to generate the fractal structure. We reduced our previous model to represent the linear dynamics of the centerline of the suture tissue and included a time–space-dependent noise term. We showed theoretically that the final pattern from the model follows a scaling law due to the scaling of the dispersion relation in the full model, which we confirmed numerically. Furthermore, we observed experimentally that stochastic fluctuation of the osteogenic signal exists in the developing skull, and found that actual suture patterns followed a scaling law similar to that of the theoretical prediction.
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Affiliation(s)
- Yuto Naroda
- School of Medicine, Kyushu University, Fukuoka, Japan
| | - Yoshie Endo
- Graduate school of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kenji Yoshimura
- Department of Neurology, Osaka City General Hospital, Osaka, Japan
| | - Hiroshi Ishii
- Faculty of Science, Hokkaido University, Sapporo, Japan
| | | | - Takashi Miura
- Graduate school of Medical Sciences, Kyushu University, Fukuoka, Japan
- * E-mail:
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21
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Yamamoto Y, Miki K, Tsujino K, Kuge T, Matsuki T, Fukushima K, Oshitani Y, Kagawa H, Yoshimura K, Miki M, Kida H. Evaluation of disease severity in bronchiectasis using impulse oscillometry. ERJ Open Res 2020; 6:00053-2020. [PMID: 33083444 PMCID: PMC7553116 DOI: 10.1183/23120541.00053-2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 07/07/2020] [Indexed: 11/25/2022] Open
Abstract
Although the diagnostic value of impulse oscillometry (IOS) in bronchiectasis for the differential diagnosis of healthy subjects has been researched, the usefulness of each IOS parameter for predicting disease severity in bronchiectasis has not been thoroughly investigated. In addition, the usefulness of IOS in patients with nontuberculous mycobacteria (NTM) infection has not been reported. This study aimed to determine the predictive significance of respiratory impedance and detect the other most significant IOS parameters for predicting disease severity in bronchiectasis patients and to validate the usefulness of IOS in patients with NTM infection. A total of 206 patients with bronchiectasis who attended clinics at the National Hospital Organization Osaka Toneyama Medical Center were included. Chest high-resolution computed tomography, spirometry and IOS were performed. Hospital admissions, mortality and disease severity indices for bronchiectasis (Bronchiectasis Severity Index (BSI), FACED, and E-FACED scores) were calculated to assess disease severity. The patients were divided into subgroups with and without NTM infection, and subgroup analyses were performed. Respiratory reactance, especially resonant frequency (fres), correlated with both BSI and FACED score better than respiratory resistance. Inspiratory but not expiratory impedance was strongly correlated with BSI, FACED and E-FACED scores. Inspiratory fres was the most useful predictor, increasing as the disease became more severe. The usefulness of IOS was almost equivalent in patients both with and without NTM infection. Inspiratory reactance measured by IOS is useful for estimating disease severity in bronchiectasis. Inspiratory fres best predicts disease severity in bronchiectasis patients both with and without NTM infection. Inspiratory reactance measured by impulse oscillometry may be useful for estimating disease severity of bronchiectasis. Inspiratory fres can be used to evaluate severity in the disease both with and without NTM infection.https://bit.ly/3fvG0Rn
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22
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Yamamoto Y, Miki K, Matsuki T, Fukushima K, Oshitani Y, Kagawa H, Tsujino K, Yoshimura K, Miki M, Kida H. Intolerance to and limitations of inspiratory muscle training in patients with advanced chronic obstructive pulmonary disease: A report of two cases. Respir Med Case Rep 2020; 31:101210. [PMID: 32983861 PMCID: PMC7498836 DOI: 10.1016/j.rmcr.2020.101210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 03/25/2020] [Revised: 08/04/2020] [Accepted: 08/26/2020] [Indexed: 11/30/2022] Open
Abstract
Inspiratory muscle training (IMT) has been attracting attention as one of the useful treatments in patients with chronic obstructive pulmonary disease (COPD). IMT is reportedly effective in most patients with COPD. However, little is known about the benefits of IMT, especially in patients with advanced COPD. We reported two cases of COPD that received 12-week IMT to explore intolerance to and the limitations of IMT in advanced COPD. The effectiveness of IMT was evaluated using cardiopulmonary exercise testing (CPET), spirometry, and respiratory muscle strength testing before and after the training. A 75-year-old man with normal body mass index (BMI) and forced expiratory volume in 1 s (FEV1) of 1.63 L responded well to IMT, but a 78-year-old man with low BMI and FEV1 of 0.83 L did not. In the responder, IMT resulted in increased minute ventilation (V' E) and oxygen uptake at peak exercise in incremental load testing. Moreover, IMT increased endurance time in constant load testing and maximal inspiratory pressure. In both patients, breathing frequency (f R) increased, but tidal volume and the inspiratory-expiratory ratio were not improved during exercise. Despite the high f R obtained after IMT, V' E at peak exercise did not increase and endurance time shortened in the non-responder. In underweight patients with advanced COPD, IMT might lead to tachypnea and ventilatory inefficiency, which in turn might decrease exercise performance. Therefore, underweight patients with advanced COPD might be unable to tolerate IMT and should avoid receiving the training.
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Affiliation(s)
- Yuji Yamamoto
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Takanori Matsuki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kiyoharu Fukushima
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Hiroshi Kida
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
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23
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Yatomi T, Uchida T, Takeuchi H, Kuramochi S, Yoshimura K, Mimura M, Uchida H. Prescription patterns of psychotropics in patients receiving synthetic glucocorticoids. Acta Psychiatr Scand 2020; 142:242-248. [PMID: 32677065 DOI: 10.1111/acps.13217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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] [Accepted: 07/10/2020] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Synthetic glucocorticoids cause various psychiatric symptoms. Prescription of psychotropic drugs could be considered to be a proxy for manifestation of psychiatric symptoms. The aim of this study was to investigate the prescriptions of psychotropics in outpatients receiving synthetic glucocorticoids. METHODS We used the claims sampling data during January 2015 from the National Database of Health Insurance Claims and Specific Health Checkups of Japan made by the Ministry of Health, Labor, and Welfare in Japan. We compared the prescription rates of psychotropics between outpatients receiving oral synthetic glucocorticoids and age- and sex-matched controls and the prescription rates of psychotropics among the eight dosage groups of synthetic glucocorticoids by chi-squared test, and chlorpromazine/imipramine/diazepam equivalent doses (or daily defined doses) of respective psychotropics among these groups using Welch's t-test. RESULTS Synthetic glucocorticoids were prescribed to 3.1% (n = 18 122) of 581 990 patients. The prescription rates of psychotropics were significantly higher among the synthetic glucocorticoid recipients than among the non-recipients: antipsychotics, 1.8% (n = 321) vs. 1.1% (n = 201) (P = 1.4 × 10-7 ); antidepressants, 4.0% (n = 724) vs. 2.0% (n = 359) (P = 8.7 × 10-30 ); anxiolytics/hypnotics, 16.7% (n = 3029) vs. 10.2% (n = 1841) (P = 2.7 × 10-75 ); and mood stabilizers, 1.3% (n = 238) vs. 0.7% (n = 120) (P = 3.6 × 10-10 ) respectively. There was no significant difference in the prescription rates of any psychotropic drugs, other than anxiolytics/hypnotics, among the eight synthetic glucocorticoid dosage groups. CONCLUSION Prescriptions of oral synthetic glucocorticoids were found to be associated with the use of any of the types of psychotropic drugs, other than anxiolytics/hypnotics, although a causal relationship could not be confirmed due to the retrospective and cross-sectional nature of this study.
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Affiliation(s)
- T Yatomi
- Department of Neuropsychiatry, Kawasaki Municipal Hospital, Kanagawa, Japan.,Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - T Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - H Takeuchi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - S Kuramochi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.,Department of Neuropsychiatry, Yamanashi Prefectural Kita Hospital, Yamanashi, Japan
| | - K Yoshimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.,Department of Health Policy and Management, Keio University School of Medicine, Tokyo, Japan
| | - M Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - H Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
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Miki K, Tsujino K, Miki M, Yoshimura K, Kagawa H, Oshitani Y, Fukushima K, Matsuki T, Yamamoto Y, Kida H. Managing COPD with expiratory or inspiratory pressure load training based on a prolonged expiration pattern. ERJ Open Res 2020; 6:00041-2020. [PMID: 32904603 PMCID: PMC7456645 DOI: 10.1183/23120541.00041-2020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 01/25/2020] [Accepted: 05/26/2020] [Indexed: 01/25/2023] Open
Abstract
Background Exertional prolonged expiration should be identified as a therapeutic target in COPD. The efficacy of expiratory or inspiratory pressure load training (EPT/IPT) based on the degree of prolonged expiration was investigated. Methods A total of 21 patients with COPD were divided into two groups according to the exertional change in the inspiratory duty cycle (TI/Ttot). For 12 weeks, patients whose exertional TI/Ttot decreased received EPT (EPT group, n=11, mean percentage forced expiratory volume in 1 s (%FEV1), 32.8%) and those whose exertional TI/Ttot increased received IPT (IPT group, n=10, mean %FEV1, 45.1%). Results The therapeutic responses were as follows. In both groups, endurance time (EPT, +5.7 min, p<0.0001; IPT, +6.1 min, p=0.0004) on the constant work rate exercise test (WRET) and peak oxygen uptake increased (EPT, p=0.0028; IPT, p=0.0072). In the EPT group the following occurred: 1) soon after commencement of exercise with the constant WRET, the expiratory tidal volume (VTex) increased, reducing dyspnoea; 2) VTex and mean expiratory flow increased and then prolonged expiration (p=0.0001) improved at peak exercise with the incremental exercise test (ET); and 3) St. George's Respiratory Questionnaire total, activity and impact scores were improved. In the IPT group, on both the constant WRET and incremental ET, breathing frequency increased, which led to greater exercise performance with effort dyspnoea. Conclusions This study showed the benefits of EPT/IPT on exercise performance. If the choice of managing COPD with EPT/IPT is appropriate, inexpensive EPT/IPT may become widespread as home-based training. Expiratory or inspiratory pressure load training (EPT/IPT) based on the degree of prolonged expiration improves exercise performance in COPD patients. If managing COPD with EPT/IPT is chosen appropriately, it could become widespread as home-based training.https://bit.ly/2ZWutWq
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Affiliation(s)
- Keisuke Miki
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kazuyuki Tsujino
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Mari Miki
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kenji Yoshimura
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Hiroyuki Kagawa
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Yohei Oshitani
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kiyoharu Fukushima
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Takanori Matsuki
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Yuji Yamamoto
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Hiroshi Kida
- Dept of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
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Yamamoto Y, Miki K, Matsuki T, Fukushima K, Oshitani Y, Kagawa H, Tsujino K, Yoshimura K, Miki M, Kida H. Evaluation of Exertional Ventilatory Parameters Using Oscillometry in COPD. Int J Chron Obstruct Pulmon Dis 2020; 15:1697-1711. [PMID: 32764915 PMCID: PMC7367741 DOI: 10.2147/copd.s260735] [Citation(s) in RCA: 2] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/02/2020] [Indexed: 11/23/2022] Open
Abstract
Background Oscillometry is a tool to measure respiratory impedance that requires minimal patients’ effort. In patients with chronic obstructive pulmonary disease (COPD), the correlation of respiratory impedance at rest with exertional ventilatory parameters, including exercise tolerance, has scarcely been reported. In addition, the utility of oscillometric parameters might differ between the inspiratory and expiratory phases due to airflow obstruction during expiration, but the hypothesis had not been validated. The aim of the present study was to investigate whether oscillometric parameters are associated with exertional ventilatory parameters in patients with COPD. Methods Fifty-five subjects with COPD who attended clinics at the National Hospital Organization Osaka Toneyama Medical Center performed spirometry, oscillometry, and cardiopulmonary exercise testing (CPET) within 2 weeks. The correlations between parameters of spirometry, oscillometry, and CPET were analyzed using Spearman’s rank correlation coefficient, univariate, and multivariate analyses. Results Respiratory reactance had better correlations with the CPET parameters than respiratory resistance. Moreover, inspiratory reactance at rest correlated with the CPET parameters stronger than expiratory reactance. In particular, inspiratory resonant frequency (Fres-ins) correlated with peak oxygen uptake (rS=−0.549, p<0.01) and dead space to tidal volume ratio at peak exercise (rS=0.677, p<0.01) and the best predicted expiratory tidal volume (VT ex) at peak exercise of all the oscillometric parameters (rS=−0.679, p<0.01). However, the correlation between Fres-ins and VT ex at peak exercise became weak in subjects with severe and very severe COPD during exercise. Conclusion Measurement of respiratory reactance is useful for the effortless evaluation of not only exertional ventilatory parameters but exercise tolerance in patients with COPD. The correlation of respiratory impedance with exertional ventilatory parameters can become weak in patients with advanced COPD; thus, the measurement of oscillometry might not be appropriate for evaluating exertional ventilatory parameters of patients with advanced COPD.
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Affiliation(s)
- Yuji Yamamoto
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Takanori Matsuki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Kiyoharu Fukushima
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
| | - Hiroshi Kida
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Osaka, Japan
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Yamamoto Y, Ohara Y, Iwai A, Hara R, Matsuki T, Fukushima K, Oshitani Y, Kagawa H, Tsujino K, Yoshimura K, Miki M, Miki K, Mori M, Kida H. Influenza Vaccination-associated Acute Thrombocytopenia and Diffuse Alveolar Hemorrhage. Intern Med 2020; 59:1633-1637. [PMID: 32188805 PMCID: PMC7402960 DOI: 10.2169/internalmedicine.3991-19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Influenza vaccination can trigger various adverse reactions, and thrombocytopenia is also rarely reported. Although patients with mild thrombocytopenia are sometimes asymptomatic, severe thrombocytopenia can cause severe bleeding. We herein report a rare case of severe thrombocytopenia that occurred within one day of influenza vaccination and diffuse alveolar hemorrhage (DAH) leading to acute respiratory failure. The patient was treated with glucocorticoid pulse therapy, intravenous immunoglobulin, and temporary mechanical ventilation, and eventually he made a full recovery. Vaccine-related thrombocytopenia and DAH should be considered adverse reactions, even if they develop very soon after vaccination.
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Affiliation(s)
- Yuji Yamamoto
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Yuko Ohara
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
- Department of Respiratory Medicine, Yodogawa Christian Hospital, Japan
| | - Ami Iwai
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Reina Hara
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Takanori Matsuki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Kiyoharu Fukushima
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Masahide Mori
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
| | - Hiroshi Kida
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Japan
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Yoshimura K, Watanabe T, Kurikami H. Vertical and horizontal distributions of 137Cs on paved surfaces affected by the Fukushima Dai-ichi Nuclear Power Plant accident. J Environ Radioact 2020; 217:106213. [PMID: 32217245 DOI: 10.1016/j.jenvrad.2020.106213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 02/14/2020] [Accepted: 02/16/2020] [Indexed: 06/10/2023]
Abstract
Vertical and horizontal distributions are fundamental for sampling and in-situ gamma spectrum measurement strategies. The distributions of 137Cs were investigated for paved surfaces affected by the Fukusima Dai-ichi Nuclear Power Plant accident. Additionally, the effects of the distributions on the measurement uncertainties of in-situ spectrometry were evaluated. Relaxation mass depth, representing the depth profile of 137Cs, was estimated to be less than 0.23 g cm-2. Variation in the relaxation mass depth, of 0.1-0.23 g cm-2, led to a minor error (less than 5%) in the spectral analysis of the137Cs inventory (activity per unit area, kBq m-2). The 137Cs inventory, within a 20 × 20 m square of 400 cells each measuring 1 m2, showed an uneven distribution with large variation; coefficient of variation ranged from 54 to 136% of geometric average inventory of 424 kBq m-2. Increasing the grid size decreased 137Cs inventory variation among cells, revealing the relationship between instrument field of view and the spatial uncertainty of the results of in-situ gamma spectrometry.
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Affiliation(s)
- K Yoshimura
- Japan Atomic Energy Agency, 45-169 Sukakeba, Minamisoma, Fukushima, 975-0036, Japan.
| | - T Watanabe
- Japan Atomic Energy Agency, 10-2 Fukasaku, Miharu-machi, Fukushima, 963-7707, Japan
| | - H Kurikami
- Japan Atomic Energy Agency, 10-2 Fukasaku, Miharu-machi, Fukushima, 963-7707, Japan
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Iwano T, Yoshimura K, Inoue S, Odate T, Ogata K, Funatsu S, Tanihata H, Kondo T, Ichikawa D, Takeda S. Breast cancer diagnosis based on lipid profiling by probe electrospray ionization mass spectrometry. Br J Surg 2020; 107:632-635. [PMID: 32246473 PMCID: PMC7216899 DOI: 10.1002/bjs.11613] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/08/2020] [Indexed: 12/14/2022]
Affiliation(s)
- T Iwano
- Department of Anatomy and Cell Biology, Faculty of Medicine, Yamanashi, Japan
| | - K Yoshimura
- Department of Anatomy and Cell Biology, Faculty of Medicine, Yamanashi, Japan
| | - S Inoue
- Department of Digestive , Breast and Endocrine Surgery, Yamanashi, Japan
| | - T Odate
- Department of Pathology, University of Yamanashi, Chu, Yamanashi, Japan
| | - K Ogata
- Shimadzu Corporation, Nakagyo, Kyoto, Japan
| | - S Funatsu
- Shimadzu Corporation, Nakagyo, Kyoto, Japan
| | - H Tanihata
- Shimadzu Corporation, Nakagyo, Kyoto, Japan
| | - T Kondo
- Department of Pathology, University of Yamanashi, Chu, Yamanashi, Japan
| | - D Ichikawa
- Department of Digestive , Breast and Endocrine Surgery, Yamanashi, Japan
| | - S Takeda
- Department of Anatomy and Cell Biology, Faculty of Medicine, Yamanashi, Japan
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Kagawa H, Tsujino K, Yamamoto Y, Iwai A, Hara R, Matsuki T, Fukushima K, Oshitani Y, Yoshimura K, Miki M, Miki K, Kitada S, Mori M, Kida H. Acute lung injury after plasma exchange in a patient with anti-MDA5 antibody-positive, rapidly progressive, interstitial lung disease:A case report. Respir Med Case Rep 2020; 29:101016. [PMID: 32055439 PMCID: PMC7005565 DOI: 10.1016/j.rmcr.2020.101016] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 01/13/2020] [Revised: 01/31/2020] [Accepted: 01/31/2020] [Indexed: 12/11/2022] Open
Abstract
The presence of anti-melanoma differentiation-associated gene 5 antibody (anti-MDA5 Ab) is closely associated with rapidly progressive interstitial lung disease (RP-ILD) in patients with clinically amyopathic dermatomyositis. Despite intensive immunosuppressive therapies, some of these patients still have a poor prognosis with few treatment options. Although removal of pathogenic autoantibodies and cytokines by plasma exchange (PE) could be a treatment option, its safety and efficacy have never been determined. We report a patient with anti-MDA5 Ab-positive RP-ILD who was refractory to intensive therapies including steroids, cyclosporine, and intravenous cyclophosphamide, and then treated by PE to prevent the progression of RP-ILD. Shortly after the initiation of PE therapy, however, his respiratory condition suddenly deteriorated due to acute pulmonary edema and the patient died on the following day. Transfusion-related acute lung injury (TRALI) would be the most likely cause of the acute pulmonary edema because there was no sign of circulatory overload. To the best of our knowledge, this is the first report showing a critical adverse event associated with PE therapy for these patients. This case supports the idea that the presence of ILD could increase a risk for TRALI and therefore we should carefully evaluate the eligibility for PE therapy of anti-MDA5 Ab-positive RP-ILD patients given the risk of acute lung injury. Further studies collecting more clinical data are necessary to assess the efficacy, safety, and risk factors of PE therapy for these patients.
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Key Words
- ADAMTS, a disintegrin-like and metalloproteinase with thrombospondin type 1 motifs
- ALI, acute lung injury
- ANA, antinuclear antibody
- ANCA, antineutrophil cytoplasmic antibody
- ARS, anti-aminoacyl-tRNA sythetase
- Acute lung injury
- Anti-MDA5 antibody
- CADM, Clinically amyopathic dermatomyositis
- CK, creatine phosphokinase
- CRP, C-reactive protein
- Clinically amyopathic dermatomyositis
- EF, Ejection Fraction
- GGA, ground-glass attenuation
- IVCY, intravenous cyclophosphamide
- Interstitial pneumonia
- PE, plasma exchange
- Plasma exchange
- RP-ILD, rapidly progressive interstitial lung disease
- SP-D, surfactant protein D
- TRALI, Transfusion-related acute lung injury
- anti-MDA5 Ab, anti-melanoma differentiation-associated gene 5 antibody
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Affiliation(s)
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
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Izumida E, Suzawa T, Miyamoto Y, Yamada A, Otsu M, Saito T, Yamaguchi T, Nishimura K, Ohtaka M, Nakanishi M, Yoshimura K, Sasa K, Takimoto R, Uyama R, Shirota T, Maki K, Kamijo R. Functional Analysis of PTH1R Variants Found in Primary Failure of Eruption. J Dent Res 2020; 99:429-436. [PMID: 31986066 DOI: 10.1177/0022034520901731] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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] [Indexed: 11/15/2022] Open
Abstract
Although many variants of the parathyroid hormone 1 receptor (PTH1R) gene are known to be associated with primary failure of eruption (PFE), the mechanisms underlying the link remains poorly understood. We here performed functional analyses of PTH1R variants reported in PFE patients-namely, 356C>T (P119L), 395C>T (P132L), 439C>T (R147C), and 1148G>A (R383Q)-using HeLa cells with a lentiviral vector-mediated genetic modification. Two particular variants, P119L and P132L, had severe reduction in a level of N-linked glycosylation when compared with wild-type PTH1R, whereas the other 2 showed modest alteration. PTH1R having P119L or P132L showed marked decrease in the affinity to PTH1-34, which likely led to severely impaired cAMP accumulation upon stimulation in cells expressing these mutants, highlighting the importance of these 2 amino acid residues for ligand-mediated proper functioning of PTH1R. To further gain insights into PTH1R functions, we established the induced pluripotent stem cell (iPSC) lines from a patient with PFE and the heterozygous P132L mutation. When differentiated into osteoblastic-lineage cells, PFE-iPSCs showed no abnormality in mineralization. The mRNA expression of RUNX2, SP7, and BGLAP, the osteoblastic differentiation-related genes, and that of PTH1R were augmented in both PFE-iPSC-derived cells and control iPSC-derived cells in the presence of bone morphogenetic protein 2. Also, active vitamin D3 induced the expression of RANKL, a major key factor for osteoclastogenesis, equally in osteoblastic cells derived from control and PFE-iPSCs. In sharp contrast, exposure to PTH1-34 resulted in no induction of RANKL mRNA expression in the cells expressing P132L variant PTH1R, consistent with the idea that a type of heterozygous PTH1R gene mutation would spoil PTH-dependent response in osteoblasts. Collectively, this study demonstrates a link between PFE-associated genetic alteration and causative functional impairment of PTH1R, as well as a utility of iPSC-based disease modeling for future elucidation of pathogenesis in genetic disorders, including PFE.
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Affiliation(s)
- E Izumida
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - T Suzawa
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - Y Miyamoto
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - A Yamada
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - M Otsu
- Stem Cell Bank & Division of Stem Cell Processing, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
- Present address: Department of Transfusion and Cell Transplantation, School of Medicine, Kitasato University, Sagamihara, Japan
| | - T Saito
- Division of Tissue Engineering, Department of Bone and Cartilage Regenerative Medicine, University of Tokyo Hospital, The University of Tokyo, Tokyo, Japan
| | - T Yamaguchi
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - K Nishimura
- Laboratory for Gene Regulation, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - M Ohtaka
- TOKIWA-Bio, Inc., Tsukuba, Japan
| | - M Nakanishi
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - K Yoshimura
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - K Sasa
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - R Takimoto
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University, Tokyo, Japan
| | - R Uyama
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - T Shirota
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University, Tokyo, Japan
| | - K Maki
- Department of Orthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - R Kamijo
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
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Oshitani Y, Kitada S, Edahiro R, Tsujino K, Kagawa H, Yoshimura K, Miki K, Miki M, Kida H. Characteristic chest CT findings for progressive cavities in Mycobacterium avium complex pulmonary disease: a retrospective cohort study. Respir Res 2020; 21:10. [PMID: 31915013 PMCID: PMC6950929 DOI: 10.1186/s12931-020-1273-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 10/21/2019] [Accepted: 12/31/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Although cavities are an important finding in Mycobacterium avium complex pulmonary disease (MAC-PD), there is little information regarding the types of cavities that indicate disease progression. This study was performed to identify cavity characteristics that were associated with disease progression in patients with MAC-PD. METHODS This retrospective cohort study included 97 patients presenting with MAC-PD with cavities between December 2006 and June 2016. We compared initial and final computed tomography (CT) findings, classified 52 and 45 patients in the progressive and non-progressive cavity groups, respectively, and examined the progression-related imaging features in initial CT images. A progressive cavity was defined by more than two-fold increase in internal diameter or emergence of a new cavity around the initial cavity. RESULTS Patients in the progressive group were older (p < 0.001), had a lower body mass index (p = 0.043), and showed higher diabetes complication rates (p = 0.005). The initial CT in the progressive group showed a longer maximum internal diameter of the cavity (p < 0.001) and higher rates of cavities close to the chest wall (p < 0.001), multiple cavities (p = 0.023), consolidation around the cavity (p < 0.001), atelectasis (p = 0.011), and pleural thickening (p < 0.001). Multivariable logistic regression analysis revealed that the maximum internal diameter of the cavity (odds ratio [OR]: 1.11, 95% confidence interval [CI]: 1.02-1.21; p=0.012) and consolidation around the cavity (OR: 16.15, 95% CI: 4.05-64.46; p < 0.001) were significantly associated with progressive cavities. In cavities with a maximum internal diameter of ≥10 mm and simultaneous consolidation, the probability of progression was as high as 96.2%. The 10-year mortality rates in the progressive and non-progressive cavity groups were 46.7 and 9.8% (p < 0.001), respectively, while the 10-year respiratory failure rates were 28.1 and 0%, respectively (p < 0.001). CONCLUSIONS Large cavity size and consolidation on CT showed strong relationships with disease progression, which led to respiratory failure and high mortality rate.
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Affiliation(s)
- Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan.
| | - Seigo Kitada
- Department of Respiratory Medicine, Yao Tokushukai General Hospital, Osaka, Japan
| | - Ryuya Edahiro
- Department of Respiratory Medicine and Clinical Immunology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan
| | - Hiroshi Kida
- Department of Respiratory Medicine, National Hospital Organization, Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka-shi, Osaka, 560-8552, Japan
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32
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Nakatsubo S, Miki K, Miki M, Kagawa H, Iwai A, Hara R, Ohara Y, Oshitani Y, Tsujino K, Yoshimura K, Kida H. The therapeutic effects of bronchial thermoplasty evaluated by cardiopulmonary exercise testing : a case series. J Med Invest 2020; 67:386-390. [PMID: 33148924 DOI: 10.2152/jmi.67.386] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Bronchial thermoplasty (BT) had been reported to improve the symptoms of severe asthma. However, the exertional responses of BT based on the mechanisms have not been elucidated. A 57-year-old man and a 60-year-old woman underwent BT due to intractable severe asthma. We evaluated the therapeutic effects of BT using cardiopulmonary exercise testing (CPET). After BT, the exercise time during CPET substantially prolonged reducing exertional dyspnea in the former (good), but not in the latter (poor). In the good responder, the high air remaining in the lung after expiration (i.e., inspiratory tidal volume minus expiratory tidal volume) during CPET decreased after BT. In contrast, in the poor responder, the high air remaining after expiration during exercise was not obtained before BT. Further investigations are necessary to confirm that the presence or absence of the exertional wasted ventilation on CPET may be informative to evaluate the therapeutic effects of BT. J. Med. Invest. 67 : 386-390, August, 2020.
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Affiliation(s)
- Saeko Nakatsubo
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Ami Iwai
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Reina Hara
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Yuko Ohara
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
| | - Hiroshi Kida
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, Toyonaka, Japan
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Miki K, Kitada S, Miki M, Hui SP, Shrestha R, Yoshimura K, Tsujino K, Kagawa H, Oshitani Y, Kida H, Maekura R, Kangawa K. A phase II, open-label clinical trial on the combination therapy with medium-chain triglycerides and ghrelin in patients with chronic obstructive pulmonary disease. J Physiol Sci 2019; 69:969-979. [PMID: 31595463 PMCID: PMC10716959 DOI: 10.1007/s12576-019-00716-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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: 07/06/2019] [Accepted: 09/19/2019] [Indexed: 12/20/2022]
Abstract
The aim of this study was to investigate the effect of activated ghrelin with dietary octanoic acids or medium-chain triglyceride (MCT) administration to underweight patient with chronic obstructive pulmonary disease (COPD). Eleven severe and very severe COPD patients received a 5-day treatment with edible MCT. Sequentially, 10 patients received a 3-week combination treatment with MCT and intravenous acyl ghrelin. Five-day MCT treatment increased endogenous acyl ghrelin (p = 0.0049), but the total ghrelin level was unchanged. MCT-ghrelin combination treatment improved the peak oxygen uptake (p = 0.0120) during whole treatment course. This effect was attributed to the resultant improvements in cardiac function by O2 pulse, and to the difference between inspired and expired oxygen concentration rather than minute ventilation. Addition of dietary MCT to ghrelin treatment improved the aerobic capacity of underweight COPD patients, likely by mechanisms of increased O2 delivery through improvements in primary cardiocirculatory and muscular crosstalk.
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Affiliation(s)
- Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan.
| | - Seigo Kitada
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Shu-Ping Hui
- Faculty of Health Sciences, Hokkaido University, Kita 12, Nishi-5, Sapporo, Japan
| | - Rojeet Shrestha
- Faculty of Health Sciences, Hokkaido University, Kita 12, Nishi-5, Sapporo, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Hiroshi Kida
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
| | - Ryoji Maekura
- Department of Respiratory Medicine, National Hospital Organization Osaka Toneyama Medical Center, 5-1-1 Toneyama, Toyonaka, Osaka, 560-8552, Japan
- Graduate School of Health Care Sciences, Jikei Institute, Miyahara 1-2-8, Yodogawa-ku, Osaka, Japan
| | - Kenji Kangawa
- National Cerebral and Cardiovascular Center Research Institute, 6-1, Kishibeshinmachi, Suita, Japan
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Moriwaki T, Hasegawa N, Yamamoto Y, Yamada T, Kanai M, Kobayashi S, Eguchi H, Seo S, Taketomi A, Yoshimura K, Hatano E, Nagano H, Ioka T. Role of Glasgow prognostic score in chemo-naïve patients with advanced biliary tract cancer and good performance status. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz422.023] [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: 11/14/2022] Open
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35
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Yokoyama T, Yoshioka H, Fujimoto D, Demura Y, Hirano K, Kawai T, Kagami R, Ishida T, Tomii K, Akai M, Hirabayashi M, Nishimura T, Nakahara Y, Kim Y, Yoshimura K, Hirai T. Updated survival outcomes of the phase II study of low starting dose of afatinib as first-line treatment in patients with EGFR mutation-positive non-small cell lung cancer (KTORG1402). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz437.007] [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: 11/12/2022] Open
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36
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Tsunedomi R, Yoshimura K, Kimura Y, Nishiyama M, Matsukuma S, Tokumitsu Y, Tomochika S, Iida M, Suzuki N, Takeda S, Yoshino S, Hazama S, Nagano H. Cancer stem-like phenotypes including immune surveillance and its responsible genes in induced liver cancer stem-like cells. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz422.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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37
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Yoshimura K, Inoue Y, Tsuchiya K, Iwashita Y, Kahyo T, Kawase A, Tanahashi M, Suzuki Y, Karayama M, Ogawa H, Inui N, Funai K, Shinmura K, Niwa H, Suda T, Sugimura H. P2.03-43 WTAP Activates Oncogenes and Accelerates Tumor Aggressiveness Through Adding m6A RNA Modification in Non-Small-Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1490] [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: 10/25/2022]
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Yoshimura K, Fujiwara K, Nakama S. APPLICABILITY OF AUTONOMOUS UNMANNED HELICOPTER SURVEY OF AIR DOSE RATE IN SUBURBAN AREA. Radiat Prot Dosimetry 2019; 184:315-318. [PMID: 31095340 DOI: 10.1093/rpd/ncz116] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
An autonomous unmanned helicopter (AUH) survey is a useful tool for monitoring the distribution of ambient dose equivalent rates. However, the AUH survey method was developed for plane permeable fields such as agricultural land, and its applicability to urban areas is unclear. In this study, the applicability was investigated by comparing the results of AUH and ground-based surveys conducted in suburban areas, including residential and agricultural lands. The results of both surveys broadly agreed with each other within a factor of 2 in the range independent of land use, and the factor was the same as that reported for plane permeable fields. These results suggest that AUH surveys are applicable in urban areas. The measurement uncertainty of the AUH survey was largely affected by the patchy and local distribution of ambient dose equivalent rates on the ground and differences in the fields of view, rather than land use.
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Affiliation(s)
- K Yoshimura
- Sector of Fukushima Research and Development, Japan Atomic Energy Agency, 45-169 Sukakeba, Minamisoma, Fukushima, Japan
| | - K Fujiwara
- Sector of Fukushima Research and Development, Japan Atomic Energy Agency, 45-169 Sukakeba, Minamisoma, Fukushima, Japan
| | - S Nakama
- Sector of Fukushima Research and Development, Japan Atomic Energy Agency, 45-169 Sukakeba, Minamisoma, Fukushima, Japan
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Hirata K, Hamamoto Y, Tsuchihashi K, Kondoh C, Yamazaki K, Hironaka S, Ando M, Imamura C, Yoshimura K, Muro K. Randomized phase II trial of weekly paclitaxel + ramucirumab versus weekly nab-paclitaxel + ramucirumab for unresectable advanced or recurrent gastric cancer with peritoneal dissemination refractory to first-line therapy: WJOG10617G/P-SELECT. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.164] [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: 11/13/2022] Open
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40
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Kawashima Y, Yamaguchi O, Kozuki T, Furuya N, Kurimoto F, Okuno T, Yamada T, Komiyama K, Ko R, Nagai Y, Ishikawa N, Harada T, Watanabe K, Seike M, Yoshimura K, Kobayashi K, Kagamu H. Phase II study to evaluate the peripheral blood mononuclear cell biomarker for nivolumab efficacy on previously treated non-small cell lung cancer subjects (NEJ029B: IMMUNITY-ONE). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz260.026] [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: 11/14/2022] Open
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41
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Kawamura K, Nakasone H, Wada H, Akahoshi Y, Kawamura S, Takeshita J, Yoshino N, Misaki Y, Yoshimura K, Gomyo A, Tamaki M, Kusuda M, Kameda K, Sato M, Terasako-Saito K, Tanihara A, Kimura SI, Kako S, Kanda Y. PS1277 EVALUATION OF THE IMMUNITY TO MEASLES, MUMPS AND RUBELLA IN ADULT PATIENTS AFTER ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION. Hemasphere 2019. [DOI: 10.1097/01.hs9.0000563388.12959.de] [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: 11/25/2022] Open
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42
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Takeda K, Yoshimura K, Kanki R, Morihata H, Nakano S. [A case of neuromyelitis optica spectrum disorders, with slowly progressive bulbar palsy, mimicking a motor neuron disease]. Rinsho Shinkeigaku 2019; 59:139-143. [PMID: 30814445 DOI: 10.5692/clinicalneurol.cn-001211] [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] [Indexed: 11/05/2022]
Abstract
A 52-year old woman first noted dysphagia four months before admission followed by dysarthria two months later. She then developed weakness of all limbs and became unable to walk. All these symptoms, associated with tongue atrophy, slowly progressed, leading to the initial clinical impression of a motor neuron disease, although her nerve conduction study and electromyography showed no abnormalities. Her brain MRI with T2 weighted/diffusion weighted image (DWI)/fluid attenuated inversion recovery (FLAIR) revealed a high signal lesion located at dorsal medulla oblongata. She proved positive for anti-aquaporin 4 antibody, which confirmed the diagnosis of neuromyelitis optica spectrum disorders (NMOSD). We conclude that NMOSD may initially present with progressive bulbar palsy and pyramidal tract disorder over a few months, mimicking a motor neuron disease. Awareness of this atypical presentation helps establish an early diagnosis of this treatable entity.
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Affiliation(s)
- Kiyoaki Takeda
- Department of Neurology, Osaka City General Hospital.,Present address: Department of Neurology, National Hospital Organization Kyoto Medical Center
| | - Kenji Yoshimura
- Department of Neurology, Osaka City General Hospital.,Present address: Department of Neurology, Kyoto University, Graduate School of Medicine
| | - Rie Kanki
- Department of Neurology, Osaka City General Hospital.,Present address: Department of Neurology, Nishinomiya Kyoritsu Neurosurgical Hospital
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Matsumoto K, Futamura M, Miyaki T, Iwasa T, Imoto S, Doi M, Tokunaga S, Aogi K, Yoshimura K, Takano T. A phase 2 study evaluating dose dense AC (ddAC) followed by dose dense paclitaxel (ddP) supported by 3.6 mg peg-filgrastim (ddAC-ddP3.6) for patients (pts) with primary breast cancer (PBC) in Japan -WJOG9016B-. Breast 2019. [DOI: 10.1016/s0960-9776(19)30103-1] [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: 10/27/2022] Open
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44
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Edahiro R, Kurebe H, Nakatsubo S, Hosono Y, Sawa N, Nishida K, Ohara Y, Oshitani Y, Kagawa H, Tsujino K, Yoshimura K, Miki K, Miki M, Kitada S, Mori M. Three Cases of Idiopathic Diffuse Pulmonary Ossification. Intern Med 2019; 58:545-551. [PMID: 30333390 PMCID: PMC6421151 DOI: 10.2169/internalmedicine.0929-18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Diffuse pulmonary ossification (DPO) is an uncommon diffuse lung disease characterized by metaplastic bone formation in the lung parenchyma and is rarely diagnosed in life. While DPO usually occurs as a secondary disease, idiopathic cases are extremely rare. We describe three cases of idiopathic DPO, two of which were definitively diagnosed by surgical lung biopsy. One case was observed in a 43-year-old man with a history of recurrent pneumothorax who developed pneumothorax after the surgical biopsy. Few reports have described cases of DPO with recurrent pneumothorax; however, pneumothorax should be considered as a potential complication when such patients are encountered.
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Affiliation(s)
- Ryuya Edahiro
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Hiroyuki Kurebe
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Saeko Nakatsubo
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Yuki Hosono
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Nobuhiko Sawa
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Kohei Nishida
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Yuko Ohara
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Seigo Kitada
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
| | - Masahide Mori
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Japan
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Ozaki Y, Kitano S, Matsumoto K, Takahashi M, Mukohara T, Futamura M, Masuda N, Tsurutani J, Yoshimura K, Minami H, Takano T. Abstract OT1-12-02: Biomarker study of patients with HER2-negative metastatic breast cancer receiving combination therapy with nivolumab, bevacizumab and paclitaxel as first-line treatment (WJOG9917BTR). Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-ot1-12-02] [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] [Indexed: 11/16/2022]
Abstract
Abstract
Background: In recent years, anti-PD-1 antibody, an immune checkpoint inhibitor, has been developed for the treatment of various types of cancer, including breast cancer. Synergistic effects of nivolumab, paclitaxel and bevacizumab are expected, based on various preclinical data, when these drugs are administered in combination. A biomarker study is ongoing to evaluate the immune status of patients participating in the NEWBEAT trial, which is a phase II trial of nivolumab + paclitaxel + bevacizumab therapy as first-line treatment for patients with metastatic or recurrent HER2-negative breast cancer. Methods: HER2-negative breast cancer patients from the WJOG9917B (NEWBEAT) trial are enrolled in this biomarker study. To explore new biomarkers for combined treatment of breast cancer with immune-checkpoint inhibitors and anti-vascular endothelial growth factor antibodies, we propose to conduct multicolor immunohistochemistry (IHC) assays for immunomonitoring of the intra-tumor environment, such as the expressions of PD-L1, CD4 and CD8. Blood samples are collected before the start of treatment and at four time-points during the treatment, to determine, using a multicolor flow cytometry panel, the numbers of circulating immunosuppressive cells, such as regulatory T cells, myeloid-derived suppressor cells and tumor-associated macrophages (M2). In the NEWBEAT trial, patients receive nivolumab 240 mg/body on days 1 and 15, paclitaxel 90 mg/m2 on days 1, 8 and 15, and bevacizumab 10 mg/kg on days 1 and 15 every 4 weeks until disease progression. The primary endpoint is the objective response rate, and the key secondary endpoints include progression-free survival, overall survival, and toxicity of the protocol treatment. A total of 51 patients will be enrolled and the enrollment period will be one year. This trial opened to accrual in February 2018. Clinical trial registry number: UMIN000029590
Citation Format: Ozaki Y, Kitano S, Matsumoto K, Takahashi M, Mukohara T, Futamura M, Masuda N, Tsurutani J, Yoshimura K, Minami H, Takano T. Biomarker study of patients with HER2-negative metastatic breast cancer receiving combination therapy with nivolumab, bevacizumab and paclitaxel as first-line treatment (WJOG9917BTR) [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr OT1-12-02.
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Affiliation(s)
- Y Ozaki
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - S Kitano
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - K Matsumoto
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - M Takahashi
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - T Mukohara
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - M Futamura
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - N Masuda
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - J Tsurutani
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - K Yoshimura
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - H Minami
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
| | - T Takano
- Toranomon Hospital, Tokyo, Japan; National Cancer Center, Tokyo, Japan; Hyogo Cancer Center, Hyogo, Japan; NHO Hokkaido Cancer Center, Hokkaido, Japan; National Cancer Center Hospital East, Chiba, Japan; Gifu University, Gifu, Japan; NHO Osaka National Hospital, Osaka, Japan; Kindai University, Osaka, Japan; Kanazawa University Hospital, Kanazawa, Japan; Kobe University School of Medicine, Hyogo, Japan
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Affiliation(s)
| | - Shinya Tokunaga
- Department of Medical Oncology, Osaka City General Hospital, Japan
| | - Haruko Daga
- Department of Medical Oncology, Osaka City General Hospital, Japan
| | - Manabu Inoue
- Department of Neurology, Osaka City General Hospital, Japan
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47
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Yoshimura K, Morihata H, Takeda K, Sakoda S, Yuan JH, Nakano S. [A case of hyperkalemic periodic paralysis presenting progressive myopathy with tubular aggregates]. Rinsho Shinkeigaku 2018; 58:663-667. [PMID: 30369522 DOI: 10.5692/clinicalneurol.cn-001137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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] [Indexed: 06/08/2023]
Abstract
A 33-year-old man admitted to our hospital for the evaluation of progressive muscular atrophy of his left lower leg. From his childhood, he had suffered from transient attacks of limb paralysis and myalgia lasting about 1 hour. At age 30, the muscle weakness and atrophy of his left lower leg emerged and progressed gradually. Muscle MR images showed atrophy and fat replacement in left lower leg, and muscle biopsy revealed tubular aggregates (TA). Genetic analysis showed heterozygous c.2111C>T/p.T704M missense mutation of SCN4A gene, which causes hyperkalemic periodic paralysis (HyperPP). Although HyperPP is rare, it is quite critical for clinicians to recognize that the patients of HyperPP often present progressive myopathy. We emphasize the importance of paying attention to progressive myopathy and discuss the pathological mechanism of myopathy through this case report.
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Affiliation(s)
- Kenji Yoshimura
- Department of Neurology, Osaka City General Hospital
- Present address: Department of Neurology, Graduate School of Medicine, Kyoto University
| | | | | | - Shunichi Sakoda
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences
| | - Jun-Hui Yuan
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences
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Miki K, Miki M, Yoshimura K, Tsujino K, Kagawa H, Oshitani Y, Ohara Y, Hosono Y, Edahiro R, Kurebe H, Kitada S. Improvement of exertional dyspnea and breathing pattern of inspiration to expiration after bronchial thermoplasty. Allergy Asthma Clin Immunol 2018; 14:74. [PMID: 30386387 PMCID: PMC6205802 DOI: 10.1186/s13223-018-0276-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/23/2018] [Indexed: 12/16/2022] Open
Abstract
Background Bronchial thermoplasty (BT) is a bronchoscopic treatment that can ameliorate the symptoms of severe asthma. However, little is known about the mechanism by which BT improves exertional dyspnea without significantly changing the resting pulmonary function in asthmatics. To understand the mechanism, cardiopulmonary variables were investigated using cardiopulmonary exercise testing (CPET) in a patient with severe asthma before and after BT. Case presentation A 57-year-old Japanese man visited our hospital for consultation of the intractable asthma, which we managed with three treatment sessions of BT. Comparison of the findings pre-BT and at 1 year after BT demonstrated that (1) the resting tests for respiration showed no improvement in forced expiratory volume in 1 s, but the forced oscillation technique showed decreases in both inhalation and exhalation respiratory resistance values, and (2) the CPET results showed (i) improvement in exertional dyspnea, exercise endurance, and arterial oxygen saturation at the end of exercise; (ii) that the expiratory tidal volume exceeded the inspiratory tidal volume during exercise, which implied that a sufficient exhalation enabled longer inspiratory time and adequate oxygen absorption; and (iii) that an increase in respiratory frequency could be prevented throughout exercise. Conclusions This case report described a novel mechanism of BT in improving exertional dyspnea and exercise duration, which was brought about by ventilatory improvements related to the breathing pattern of inspiration to expiration.
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Affiliation(s)
- Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Yuko Ohara
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Yuki Hosono
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Ryuya Edahiro
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Hiroyuki Kurebe
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
| | - Seigo Kitada
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, 5-1-1 Toneyama, Toyonaka, Osaka 560-8552 Japan
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Kagawa H, Miki K, Kitada S, Miki M, Yoshimura K, Oshitani Y, Nishida K, Sawa N, Tsujino K, Maekura R. Dyspnea and the Varying Pathophysiologic Manifestations of Chronic Obstructive Pulmonary Disease Evaluated by Cardiopulmonary Exercise Testing With Arterial Blood Analysis. Front Physiol 2018; 9:1293. [PMID: 30333757 PMCID: PMC6176099 DOI: 10.3389/fphys.2018.01293] [Citation(s) in RCA: 6] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 08/27/2018] [Indexed: 01/31/2023] Open
Abstract
Background: Patients with chronic obstructive pulmonary disease (COPD) show varying mechanisms of exertional dyspnea with different exercise capacities. Methods: To investigate the pathophysiologic conditions related to exertional dyspnea, 294 COPD patients were evaluated using cardiopulmonary exercise testing (CPET) with arterial blood analyses, with the patients classified into two groups according to their exercise limitation: the leg fatigue group (n = 58) and the dyspnea group (n = 215). The dyspnea group was further subdivided into four groups based on peak oxygen uptake ( V ° O 2 in mL/min/kg): group A (< 11), group B (11 to < 15), group C (15 to < 21), and group D (≥21). Results: In the dyspnea group, group A (n = 28) showed the following findings: (i) the forced expiratory volume in 1 s was not correlated with the peak V ° O 2 (p = 0.288), (ii) the arterial oxygen tension (PaO2) slope (peak minus resting PaO2/Δ V ° O 2 ) was the steepest (p < 0.0001) among all subgroups, (iii) reduced tidal volume (VT) was negatively correlated with respiratory frequency at peak exercise (p < 0.0001), and (iv) a break point in exertional VT curve was determined in 17 (61%) patients in group A. In these patients, there was a significant negative correlation between bicarbonate ion ( HCO 3 - ) levels at peak exercise and VT level when the VT-break point occurred (p = 0.032). In group D (n = 46), HCO 3 - levels were negatively correlated with plasma lactate levels (p < 0.0001). In all subgroups, the HCO 3 - level was negatively correlated with minute ventilation. The dyspnea subgroups showed no significant differences in the overall mean pH [7.363 (SD 0.039)] and Borg scale scores [7.4 (SD, 2.3)] at peak exercise. Conclusions: During exercise, ventilation is stimulated to avoid arterial blood acidosis and hypoxemia, but ventilatory stimulation is restricted in the setting of reduced respiratory system ability. These conditions provoke the exertional dyspnea in COPD. Although symptom levels were similar, the exertional pathophysiologic conditions differed according to residual exercise performance; moreover, COPD patients showed great inter-individual variability. An adequate understanding of individual pathophysiologic conditions using CPET is essential for proper management of COPD patients.
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Affiliation(s)
- Hiroyuki Kagawa
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Keisuke Miki
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Seigo Kitada
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Mari Miki
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Kenji Yoshimura
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Yohei Oshitani
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Kohei Nishida
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Nobuhiko Sawa
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Kazuyuki Tsujino
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan
| | - Ryoji Maekura
- Department of Respiratory Medicine, National Hospital Organization Toneyama National Hospital, Toyonaka,Japan.,Graduate School of Health Care Sciences, Jikei Institute, Osaka, Japan
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Masuishi T, Suzuki T, Sukawa Y, Imamura C, Satake H, Kumekawa Y, Funakoshi S, Kotaka M, Horie Y, Kawai S, Okuda H, Terazawa T, Kondoh C, Kato K, Yoshimura K, Ishikawa H, Hamamoto Y, Boku N, Kanai T, Takaishi H. Prospective evaluation of regorafenib dose escalation strategy with low starting dose in patients with colorectal cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.015] [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: 11/12/2022] Open
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