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Ohama H, Hiraoka A, Tada T, Kariyama K, Itobayashi E, Tsuji K, Ishikawa T, Toyoda H, Hatanaka T, Kakizaki S, Naganuma A, Tada F, Tanaka H, Nakamura S, Nouso K, Tanaka K, Kumada T. Changes in clinical outcomes in Japanese patients with hepatocellular carcinoma due to hepatitis C virus following the development of direct-acting antiviral agents. J Gastroenterol Hepatol 2024. [PMID: 38602340 DOI: 10.1111/jgh.16553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 03/11/2024] [Accepted: 03/20/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND AND AIM Direct-acting antivirals (DAAs) have been accessible in Japan since 2014. The aim of this study is to compare how the prognosis of patients with hepatitis C virus (HCV)-associated hepatocellular carcinoma (HCV-HCC) changed before and after DAA development. METHODS A retrospective analysis of 1949 Japanese HCV-HCC patients from January 2000 to January 2023 categorized them into pre-DAA (before 2013, n = 1169) and post-DAA (after 2014, n = 780) groups. Changes in clinical features and prognosis were assessed. RESULTS Despite no significant differences in BCLC stage between groups, the post-DAA group exhibited higher rates of sustained virological response (SVR) (45.6% vs. 9.8%), older age (73 vs 69 years), lower levels of AST (40 vs 56 IU/L), ALT (31 vs 46 IU/L), and AFP (11.7 vs 23.6 ng/mL), higher platelet count (13.5 vs 10.8 × 104/μL), better prothrombin time (88.0% vs 81.9%), and better ALBI score (-2.54 vs -2.36) (all P < 0.001). The post-DAA group also showed higher rates of curative treatments (74.1% vs 65.2%) and significantly improved recurrence-free survival (median 2.8 vs 2.1 years). Adjusted for inverse probability weighting, overall survival was superior in the post-DAA group (median 7.4 vs 5.6 years, P < 0.001). Subanalysis within the post-DAA group revealed significantly shorter overall survival for patients without SVR (median 4.8 years vs NA vs NA) compared to pre-SVR or post-SVR patients (both P < 0.001). No significant difference in OS was observed between the pre-SVR and post-SVR groups (P = 1.0). CONCLUSION The development of DAA therapy has dramatically improved the prognosis of HCV-HCC patients.
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Affiliation(s)
- Hideko Ohama
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
- Department of Gastroenterology, Takarazuka City Hospital, Hyogo, Japan
| | - Atsushi Hiraoka
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Toshifumi Tada
- Department of Internal Medicine, Japanese Red Cross Himeji Hospital, Himeji, Japan
| | - Kazuya Kariyama
- Department of Hepatology, Okayama City Hospital, Okayama, Japan
| | - Ei Itobayashi
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Kunihiko Tsuji
- Center of Gastroenterology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Toru Ishikawa
- Department of Gastroenterology, Saiseikai Niigata Hospital, Niigata, Japan
| | - Hidenori Toyoda
- Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Ogaki, Japan
| | - Takeshi Hatanaka
- Department of Gastroenterology, Gunma Saiseikai Maebashi Hospital, Gunma, Japan
| | - Satoru Kakizaki
- Department of Clinical Research, National Hospital Organization Takasaki General Medical Center, Takasaki, Japan
| | - Atsushi Naganuma
- Department of Gastroenterology, National Hospital Organization Takasaki General Medical Center, Takasaki, Japan
| | - Fujimasa Tada
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Hironori Tanaka
- Department of Gastroenterology, Takarazuka City Hospital, Hyogo, Japan
| | - Shinichiro Nakamura
- Department of Internal Medicine, Japanese Red Cross Himeji Hospital, Himeji, Japan
| | - Kazuhiro Nouso
- Department of Hepatology, Okayama City Hospital, Okayama, Japan
| | - Kazunari Tanaka
- Center of Gastroenterology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Takashi Kumada
- Department of Nursing, Gifu Kyoritsu University, Ogaki, Japan
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2
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Hatanaka T, Kakizaki S, Hiraoka A, Tada T, Hirooka M, Kariyama K, Tani J, Atsukawa M, Takaguchi K, Itobayashi E, Fukunishi S, Tsuji K, Ishikawa T, Tajiri K, Ochi H, Yasuda S, Toyoda H, Ogawa C, Yokohama K, Nishikawa H, Nishimura T, Shimada N, Kawata K, Kosaka H, Naganuma A, Yata Y, Ohama H, Kuroda H, Aoki T, Tanaka K, Tanaka T, Tada F, Nouso K, Morishita A, Tsutsui A, Nagano T, Itokawa N, Okubo T, Arai T, Imai M, Koizumi Y, Nakamura S, Kaibori M, Iijima H, Hiasa Y, Kudo M, Kumada T. Comparative analysis of the therapeutic outcomes of atezolizumab plus bevacizumab and lenvatinib for hepatocellular carcinoma patients aged 80 years and older: Multicenter study. Hepatol Res 2024; 54:382-391. [PMID: 37983642 DOI: 10.1111/hepr.13991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/29/2023] [Accepted: 11/04/2023] [Indexed: 11/22/2023]
Abstract
AIM Elderly patients are believed to have a reduced immune capacity, which may make immunotherapy less effective. The aim of this study was to compare the therapeutic outcome of atezolizumab plus bevacizumab (Atez/Bev) and lenvatinib (LEN) for advanced hepatocellular carcinoma (HCC) in patients aged 80 years and older. METHODS From March 2018 to July 2022, 170 and 92 elderly patients who received LEN and Atez/Bev as first-line treatment, respectively, were retrospectively analyzed. RESULTS The median ages of the Atez/Bev and LEN groups were 83.0 (8.01-86.0) and 83.0 (82.0-86.0) years (p = 0.3), respectively. Men accounted for approximately 70% of the patients in both groups. The objective response rate was 35.9% in the LEN group and 33.7% in the Atez/Bev group (p = 0.8), whereas the disease control rates in the LEN and Atez/Bev groups were 62.9% and 63.0%, respectively (p = 1.0). The median progression-free survival (PFS) in the LEN and Atez/Bev groups was 6.3 and 7.2 months, respectively, which were not significantly different (p = 0.2). The median overall survival (OS) was 17.9 months in the LEN group and 14.0 months in the Atez/Bev group. This difference was not statistically significant (p = 0.7). In multivariate analyses, the choice of treatment (LEN vs. Atez/Bev) showed no association with PFS or OS. The Atez/Bev group had a significantly higher rate of postprogression treatment (59.0% vs. 35.7%, p = 0.01) and a lower rate of discontinuation due to adverse events (69 [40.6%] vs. 19 [20.7%], p < 0.001) compared to the LEN group. CONCLUSIONS Atezolizumab plus bevacizumab showed comparable effectiveness to LEN in HCC patients aged 80 years and older. Given the results of postprogression treatment and discontinuation due to adverse events, Atez/Bev could serve as a first-line treatment even for elderly HCC patients.
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Affiliation(s)
- Takeshi Hatanaka
- Department of Gastroenterology, Gunma Saiseikai Maebashi Hospital, Maebashi, Japan
| | - Satoru Kakizaki
- Department of Clinical Research, National Hospital Organization Takasaki General Medical Center, Takasaki, Japan
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Atsushi Hiraoka
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Toshifumi Tada
- Department of Internal Medicine, Japanese Red Cross Himeji Hospital, Himeji, Japan
| | - Masashi Hirooka
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Kazuya Kariyama
- Department of Gastroenterology, Okayama City Hospital, Okayama, Japan
| | - Joji Tani
- Department of Gastroenterology and Neurology, Kagawa University, Kita-gun, Japan
| | - Masanori Atsukawa
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Koichi Takaguchi
- Department of Hepatology, Kagawa Prefectural Central Hospital, Takamatsu, Japan
| | - Ei Itobayashi
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Shinya Fukunishi
- Division of Hepatobiliary and Pancreatic Diseases, Department of Gastroenterology, Hyogo Medical University, Nishinomiya, Japan
| | - Kunihiko Tsuji
- Center of Gastroenterology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Toru Ishikawa
- Department of Gastroenterology, Saiseikai Niigata Hospital, Niigata, Japan
| | - Kazuto Tajiri
- Department of Gastroenterology, Toyama University Hospital, Toyama, Japan
| | - Hironori Ochi
- Center for Liver-Biliary-Pancreatic Disease, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Satoshi Yasuda
- Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Ogaki, Japan
| | - Hidenori Toyoda
- Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Ogaki, Japan
| | - Chikara Ogawa
- Department of Gastroenterology, Japanese Red Cross Takamatsu Hospital, Takamatsu, Japan
| | - Keisuke Yokohama
- Department of Gastroenterology, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Hiroki Nishikawa
- Department of Gastroenterology, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Takashi Nishimura
- Division of Hepatobiliary and Pancreatic Diseases, Department of Gastroenterology, Hyogo Medical University, Nishinomiya, Japan
| | - Noritomo Shimada
- Division of Gastroenterology and Hepatology, Otakanomori Hospital, Kashiwa, Japan
| | - Kazuhito Kawata
- Department of Internal Medicine II, Hepatology Division, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Hisashi Kosaka
- Department of Surgery, Kansai Medical University, Hirakata, Japan
| | - Atsushi Naganuma
- Department of Gastroenterology, National Hospital Organization Takasaki General Medical Center, Takasaki, Japan
| | - Yutaka Yata
- Department of Gastroenterology, Hanwa Memorial Hospital, Osaka, Japan
| | - Hideko Ohama
- Department of Gastroenterology, Takarazuka City Hospital, Takarazuka, Japan
| | - Hidekatsu Kuroda
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Iwate Medical University, Iwate, Japan
| | - Tomoko Aoki
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Kazunari Tanaka
- Center of Gastroenterology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Takaaki Tanaka
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Fujimasa Tada
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - Kazuhiro Nouso
- Department of Gastroenterology, Okayama City Hospital, Okayama, Japan
| | - Asahiro Morishita
- Department of Gastroenterology and Neurology, Kagawa University, Kita-gun, Japan
| | - Akemi Tsutsui
- Department of Hepatology, Kagawa Prefectural Central Hospital, Takamatsu, Japan
| | - Takuya Nagano
- Department of Hepatology, Kagawa Prefectural Central Hospital, Takamatsu, Japan
| | - Norio Itokawa
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Tomomi Okubo
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Taeang Arai
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Nippon Medical School, Tokyo, Japan
| | - Michitaka Imai
- Department of Gastroenterology, Saiseikai Niigata Hospital, Niigata, Japan
| | - Yohei Koizumi
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Shinichiro Nakamura
- Department of Internal Medicine, Japanese Red Cross Himeji Hospital, Himeji, Japan
| | - Masaki Kaibori
- Department of Surgery, Kansai Medical University, Hirakata, Japan
| | - Hiroko Iijima
- Division of Hepatobiliary and Pancreatic Diseases, Department of Gastroenterology, Hyogo Medical University, Nishinomiya, Japan
| | - Yoichi Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon, Japan
| | - Masatoshi Kudo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Takashi Kumada
- Department of Nursing, Gifu Kyoritsu University, Ogaki, Japan
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3
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Tanaka K, Baba Y. Gastrointestinal: Diminutive Epstein-Barr virus-associated gastric carcinoma. J Gastroenterol Hepatol 2024; 39:420-421. [PMID: 37971278 DOI: 10.1111/jgh.16410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/16/2023] [Accepted: 10/28/2023] [Indexed: 11/19/2023]
Affiliation(s)
- K Tanaka
- Department of Gastroenterology, Inabe General Hospital, Inabe, Japan
- Department of Gastroenterology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Y Baba
- Department of Gastroenterology, Inabe General Hospital, Inabe, Japan
- Department of Pathology, Suzuka General Hospital, Suzuka, Japan
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4
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Hatanaka T, Kakizaki S, Hiraoka A, Tada T, Hirooka M, Kariyama K, Tani J, Atsukawa M, Takaguchi K, Itobayashi E, Fukunishi S, Tsuji K, Ishikawa T, Tajiri K, Ochi H, Yasuda S, Toyoda H, Ogawa C, Yokohama K, Nishikawa H, Nishimura T, Shimada N, Kawata K, Kosaka H, Naganuma A, Yata Y, Ohama H, Kuroda H, Tanaka K, Tanaka T, Tada F, Nouso K, Morishita A, Tsutsui A, Nagano T, Itokawa N, Okubo T, Arai T, Imai M, Koizumi Y, Nakamura S, Kaibori M, Iijima H, Hiasa Y, Kudo M, Kumada T. Comparing the impact of atezolizumab plus bevacizumab and lenvatinib on the liver function in hepatocellular carcinoma patients: A mixed-effects regression model approach. Cancer Med 2023; 12:21680-21693. [PMID: 37987139 PMCID: PMC10757119 DOI: 10.1002/cam4.6726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/22/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023] Open
Abstract
AIM This retrospective study compared the impact of atezolizumab plus bevacizumab (Atez/Bev) and lenvatinib (LEN) on the liver function in patients with hepatocellular carcinoma. METHODS We included 526 patients who received Atez/Bev and 731 who received LEN March 2018 and July 2022 in this study. We conducted a 1:1 propensity-score-matched analysis and identified 324 patients in each group for inclusion in the present analysis. Nonlinear mixed-effects regression models were employed, allowing for the evaluation and inclusion of cases where treatment was interrupted due to disease progression, adverse events, or loss to follow-up. These models were used to compare the ALBI score between the Atez/Bev and LEN groups. RESULTS Following propensity score matching, the mean ALBI scores in the Atez/Bev and LEN groups were -2.41 ± 0.40 and -2.44 ± 0.42 at baseline, and -2.17 ± 0.56 and -2.19 ± 0.58 at 12 weeks, respectively. Although the ALBI score significantly worsened during treatment in both groups (p < 0.001), there was no significant difference in the rate of ALBI score deterioration between the groups (p = 0.06). Subgroup analyses showed that LEN-treated patients with BCLC advanced stage (p = 0.02) and those who initially received the full dose (p < 0.001) had a significantly greater worsening of ALBI score compared to Atez/Bev. CONCLUSIONS Using a nonlinear mixed-effects regression approach, which allowed for the inclusion of cases with treatment interruption, we found no significant difference in the trend of liver function deterioration between the Atez/Bev and LEN groups. Caution should be exercised for LEN-treated patients with BCLC advanced stage or those receiving the full dose of LEN.
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Affiliation(s)
- Takeshi Hatanaka
- Department of GastroenterologyGunma Saiseikai Maebashi HospitalMaebashiJapan
| | - Satoru Kakizaki
- Department of Clinical ResearchNational Hospital Organization Takasaki General Medical CenterTakasakiJapan
- Department of Gastroenterology and HepatologyGunma University Graduate School of MedicineMaebashiJapan
| | - Atsushi Hiraoka
- Gastroenterology Center, Ehime Prefectural Central HospitalMatsuyamaJapan
| | - Toshifumi Tada
- Department of Internal Medicine, Japanese Red Cross Himeji HospitalHimejiJapan
| | - Masashi Hirooka
- Department of Gastroenterology and MetabologyEhime University Graduate School of MedicineMatsuyamaJapan
| | - Kazuya Kariyama
- Department of Gastroenterology, Okayama City HospitalOkayamaJapan
| | - Joji Tani
- Department of Gastroenterology and NeurologyKagawa UniversityKita‐gunJapan
| | - Masanori Atsukawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical SchoolTokyoJapan
| | - Koichi Takaguchi
- Department of Hepatology, Kagawa Prefectural Central HospitalTakamatsuJapan
| | - Ei Itobayashi
- Department of Gastroenterology, Asahi General HospitalAsahiJapan
| | - Shinya Fukunishi
- Department of Gastroenterology, Division of Hepatobiliary and Pancreatic DiseasesHyogo Medical UniversityNishinomiyaJapan
| | - Kunihiko Tsuji
- Center of Gastroenterology, Teine Keijinkai HospitalSapporoJapan
| | - Toru Ishikawa
- Department of Gastroenterology, Saiseikai Niigata HospitalNiigataJapan
| | - Kazuto Tajiri
- Department of GastroenterologyToyama University HospitalToyamaJapan
| | - Hironori Ochi
- Center for Liver‐Biliary‐Pancreatic Disease, Matsuyama Red Cross HospitalMatsuyamaJapan
| | - Satoshi Yasuda
- Department of Gastroenterology and HepatologyOgaki Municipal HospitalJapan
| | - Hidenori Toyoda
- Department of Gastroenterology and HepatologyOgaki Municipal HospitalJapan
| | - Chikara Ogawa
- Department of Gastroenterology, Japanese Red Cross Takamatsu HospitalTakamatsuJapan
| | - Keisuke Yokohama
- Department of GastroenterologyOsaka Medical and Pharmaceutical UniversityOsakaJapan
| | - Hiroki Nishikawa
- Department of GastroenterologyOsaka Medical and Pharmaceutical UniversityOsakaJapan
| | - Takashi Nishimura
- Department of Gastroenterology, Division of Hepatobiliary and Pancreatic DiseasesHyogo Medical UniversityNishinomiyaJapan
| | - Noritomo Shimada
- Division of Gastroenterology and Hepatology, Otakanomori HospitalKashiwaJapan
| | - Kazuhito Kawata
- Hepatology Division, Department of Internal Medicine IIHamamatsu University School of MedicineHamamatsuJapan
| | - Hisashi Kosaka
- Department of SurgeryKansai Medical UniversityHirakataJapan
| | - Atsushi Naganuma
- Department of Gastroenterology, National Hospital Organization Takasaki General Medical CenterTakasakiJapan
| | - Yutaka Yata
- Department of Gastroenterology, Hanwa Memorial HospitalOsakaJapan
| | - Hideko Ohama
- Department of Gastroenterology, Takarazuka City HospitalTakarazukaJapan
| | - Hidekatsu Kuroda
- Division of Gastroenterology and Hepatology, Department of Internal MedicineIwate Medical UniversityIwateJapan
| | - Kazunari Tanaka
- Center of Gastroenterology, Teine Keijinkai HospitalSapporoJapan
| | - Takaaki Tanaka
- Gastroenterology Center, Ehime Prefectural Central HospitalMatsuyamaJapan
| | - Fujimasa Tada
- Gastroenterology Center, Ehime Prefectural Central HospitalMatsuyamaJapan
| | - Kazuhiro Nouso
- Department of Gastroenterology, Okayama City HospitalOkayamaJapan
| | - Asahiro Morishita
- Department of Gastroenterology and NeurologyKagawa UniversityKita‐gunJapan
| | - Akemi Tsutsui
- Department of Hepatology, Kagawa Prefectural Central HospitalTakamatsuJapan
| | - Takuya Nagano
- Department of Hepatology, Kagawa Prefectural Central HospitalTakamatsuJapan
| | - Norio Itokawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical SchoolTokyoJapan
| | - Tomomi Okubo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical SchoolTokyoJapan
| | - Taeang Arai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical SchoolTokyoJapan
| | - Michitaka Imai
- Department of Gastroenterology, Saiseikai Niigata HospitalNiigataJapan
| | - Yohei Koizumi
- Department of Gastroenterology and MetabologyEhime University Graduate School of MedicineMatsuyamaJapan
| | - Shinichiro Nakamura
- Department of Internal Medicine, Japanese Red Cross Himeji HospitalHimejiJapan
| | - Masaki Kaibori
- Department of SurgeryKansai Medical UniversityHirakataJapan
| | - Hiroko Iijima
- Department of Gastroenterology, Division of Hepatobiliary and Pancreatic DiseasesHyogo Medical UniversityNishinomiyaJapan
| | - Yoichi Hiasa
- Department of Gastroenterology and MetabologyEhime University Graduate School of MedicineMatsuyamaJapan
| | - Masatoshi Kudo
- Department of Gastroenterology and HepatologyKindai University Faculty of MedicineOsakaJapan
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5
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Honma A, Takane D, Souma S, Yamauchi K, Wang Y, Nakayama K, Sugawara K, Kitamura M, Horiba K, Kumigashira H, Tanaka K, Kim TK, Cacho C, Oguchi T, Takahashi T, Ando Y, Sato T. Antiferromagnetic topological insulator with selectively gapped Dirac cones. Nat Commun 2023; 14:7396. [PMID: 37978297 PMCID: PMC10656484 DOI: 10.1038/s41467-023-42782-6] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023] Open
Abstract
Antiferromagnetic (AF) topological materials offer a fertile ground to explore a variety of quantum phenomena such as axion magnetoelectric dynamics and chiral Majorana fermions. To realize such intriguing states, it is essential to establish a direct link between electronic states and topology in the AF phase, whereas this has been challenging because of the lack of a suitable materials platform. Here we report the experimental realization of the AF topological-insulator phase in NdBi. By using micro-focused angle-resolved photoemission spectroscopy, we discovered contrasting surface electronic states for two types of AF domains; the surface having the out-of-plane component in the AF-ordering vector displays Dirac-cone states with a gigantic energy gap, whereas the surface parallel to the AF-ordering vector hosts gapless Dirac states despite the time-reversal-symmetry breaking. The present results establish an essential role of combined symmetry to protect massless Dirac fermions under the presence of AF order and widen opportunities to realize exotic phenomena utilizing AF topological materials.
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Affiliation(s)
- A Honma
- Department of Physics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - D Takane
- Department of Physics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - S Souma
- Center for Science and Innovation in Spintronics (CSIS), Tohoku University, Sendai, 980-8577, Japan.
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan.
| | - K Yamauchi
- Center for Spintronics Research Network (CSRN), Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Y Wang
- Institute of Physics II, University of Cologne, Köln, 50937, Germany
| | - K Nakayama
- Department of Physics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Tokyo, 102-0076, Japan
| | - K Sugawara
- Department of Physics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - M Kitamura
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, 305-0801, Japan
- National Institutes for Quantum Science and Technology (QST), Sendai, 980-8579, Japan
| | - K Horiba
- National Institutes for Quantum Science and Technology (QST), Sendai, 980-8579, Japan
| | - H Kumigashira
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Sendai, 980-8577, Japan
| | - K Tanaka
- UVSOR Synchrotron Facility, Institute for Molecular Science, Okazaki, 444-8585, Japan
| | - T K Kim
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - C Cacho
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0QX, UK
| | - T Oguchi
- Center for Spintronics Research Network (CSRN), Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - T Takahashi
- Department of Physics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan
| | - Yoichi Ando
- Institute of Physics II, University of Cologne, Köln, 50937, Germany
| | - T Sato
- Department of Physics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan.
- Center for Science and Innovation in Spintronics (CSIS), Tohoku University, Sendai, 980-8577, Japan.
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan.
- International Center for Synchrotron Radiation Innov1ation Smart (SRIS), Tohoku University, Sendai, 980-8577, Japan.
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6
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Katsurahara M, Umeda Y, Yukimoto H, Shigefuku A, Nakamura M, Hamada Y, Tanaka K, Horiki N, Hayashi A, Nakagawa H. Gastrointestinal: Small bowel hemangioma with unusual endoscopic findings and complicated with obscure gastrointestinal bleeding. J Gastroenterol Hepatol 2023; 38:1455. [PMID: 36751046 DOI: 10.1111/jgh.16109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/17/2022] [Accepted: 01/07/2023] [Indexed: 02/09/2023]
Affiliation(s)
- M Katsurahara
- Department of Endoscopic Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - Y Umeda
- Department of Endoscopic Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - H Yukimoto
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Tsu, Japan
| | - A Shigefuku
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Tsu, Japan
| | - M Nakamura
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Y Hamada
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Tsu, Japan
| | - K Tanaka
- Department of Endoscopic Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - N Horiki
- Department of Endoscopic Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - A Hayashi
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Tsu, Japan
| | - H Nakagawa
- Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Tsu, Japan
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7
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Tanaka K, Tsuji K, Hiraoka A, Tada T, Hirooka M, Kariyama K, Tani J, Atsukawa M, Takaguchi K, Itobayashi E, Fukunishi S, Ishikawa T, Tajiri K, Ochi H, Toyoda H, Ogawa C, Nishimura T, Hatanaka T, Kakizaki S, Shimada N, Kawata K, Naganuma A, Kosaka H, Matono T, Kuroda H, Yata Y, Ohama H, Tada F, Nouso K, Morishita A, Tsutsui A, Nagano T, Itokawa N, Okubo T, Arai T, Yokohama K, Nishikawa H, Imai M, Koizumi Y, Nakamura S, Iijima H, Kaibori M, Hiasa Y, Kumada T. Usefulness of Tumor Marker Score for Predicting the Prognosis of Hepatocellular Carcinoma Patients Treated with Atezolizumab Plus Bevacizumab: A Multicenter Retrospective Study. Cancers (Basel) 2023; 15:4348. [PMID: 37686624 PMCID: PMC10486534 DOI: 10.3390/cancers15174348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
AIM This study aimed to evaluate the ability of a previously reported tumor marker (TM) score involving alpha-fetoprotein (AFP), fucosylated AFP (AFP-L3), and des gamma-carboxy prothrombin (DCP) as TMs in predicting the prognosis and therapeutic efficacy in hepatocellular carcinoma (HCC) patients administered atezolizumab plus bevacizumab (Atez/Bev) as first-line treatment. MATERIALS/METHODS The study period covered September 2020 to December 2022 and involved 371 HCC patients treated with Atez/Bev. The values of the TMs AFP, AFP-L3, and DCP were measured upon introducing Atez/Bev. Elevations in the values of AFP (≥100 ng/mL), AFP-L3 (≥10%), and DCP (≥100 mAU/mL) were considered to indicate a positive TM. The number of positive TMs was summed up and used as the TM score, as previously proposed. Hepatic reserve function was assessed using the modified albumin-bilirubin grade (mALBI). Predictive values for prognosis were evaluated retrospectively. RESULTS A TM score of 0 was shown in 81 HCC patients (21.8%), 1 in 110 (29.6%), 2 in 112 (29.9%), and 3 in 68 (18.3%). The median overall survival (OS) times for TM scores 0, 1, 2, and 3 were not applicable [NA] (95% CI NA-NA), 24.0 months (95% CI 17.8-NA), 16.7 months (95% CI 17.8-NA), and NA (95% CI 8.3-NA), respectively (p < 0.001). The median progression-free survival (PFS) times for TM scores 0, 1, 2, and 3 were 16.5 months (95% CI 8.0-not applicable [NA]), 13.8 months (95% CI 10.6-21.3), 7.7 months (95% CI 5.3-8.9), and 5.8 months (95% CI 3.0-7.6), respectively (p < 0.001). OS was well stratified in mALBI 1/2a and mALBI 2a/2b. PFS was well stratified in mALBI 2a/2b, but not in mALBI 1/2a. CONCLUSIONS The TM score involving AFP, AFP-L3, and DCP as TMs was useful in predicting the prognosis and therapeutic efficacy in terms of OS and PFS in HCC patients administered Atez/Bev as first-line treatment.
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Affiliation(s)
- Kazunari Tanaka
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo 006-8555, Japan;
| | - Kunihiko Tsuji
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo 006-8555, Japan;
| | - Atsushi Hiraoka
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama 790-0024, Japan; (H.O.); (F.T.)
| | - Toshifumi Tada
- Department of Internal Medicine, Japanese Red Cross Himeji Hospital, Himeji 670-8540, Japan; (T.T.); (S.N.)
| | - Masashi Hirooka
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon 791-0295, Japan; (M.H.); (Y.K.); (Y.H.)
| | - Kazuya Kariyama
- Department of Hepatology, Okayama City Hospital, Okayama 700-0962, Japan; (K.K.); (K.N.)
| | - Joji Tani
- Department of Gastroenterology and Hepatology, Kagawa University, Kagawa 761-0795, Japan; (J.T.); (A.M.)
| | - Masanori Atsukawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo 113-8603, Japan (N.I.); (T.O.); (T.A.)
| | - Koichi Takaguchi
- Department of Hepatology, Kagawa Prefectural Central Hospital, Takamatsu 760-8557, Japan; (K.T.); (A.T.); (T.N.)
| | - Ei Itobayashi
- Department of Gastroenterology, Asahi General Hospital, Asahi 289-2511, Japan;
| | - Shinya Fukunishi
- Department of Gastroenterology, Osaka Medical and Pharmaceutical University, Osaka 569-8686, Japan; (S.F.); (K.Y.); (H.N.)
| | - Toru Ishikawa
- Department of Gastroenterology, Saiseikai Niigata Hospital, Niigata 950-1104, Japan; (T.I.); (M.I.)
| | - Kazuto Tajiri
- Department of Gastroenterology, Toyama University Hospital, Toyama 930-0194, Japan;
| | - Hironori Ochi
- Center for Liver-Biliary-Pancreatic Disease, Matsuyama Red Cross Hospital, Matsuyama 790-8524, Japan;
| | - Hidenori Toyoda
- Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Ogaki 503-8502, Japan;
| | - Chikara Ogawa
- Department of Gastroenterology, Japanese Red Cross Takamatsu Hospital, Takamatsu 760-0017, Japan;
| | - Takashi Nishimura
- Department of Gastroenterology and Hepatology, Hyogo Medical University, Nishinomiya 663-8501, Japan; (T.N.); (H.I.)
| | - Takeshi Hatanaka
- Department of Gastroenterology, Gunma Saiseikai Maebashi Hospital, Maebashi 371-0821, Japan;
| | - Satoru Kakizaki
- Department of Clinical Research, National Hospital Organization Takasaki General Medical Center, Takasaki 370-0829, Japan;
| | - Noritomo Shimada
- Division of Gastroenterology and Hepatology, Otakanomori Hospital, Kashiwa 277-0863, Japan;
| | - Kazuhito Kawata
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Hamamatsu 565-0871, Japan;
| | - Atsushi Naganuma
- Department of Gastroenterology, National Hospital Organization Takasaki General Medical Center, Takasaki 370-0829, Japan;
| | - Hisashi Kosaka
- Department of Surgery, Kansai Medical University, Hirakata 573-1010, Japan; (H.K.); (M.K.)
| | - Tomomitsu Matono
- Department of Hepatology, St. Mary’s Hospital, Himeji 670-0801, Japan;
| | - Hidekatsu Kuroda
- Division of Hepatology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka 020-8505, Japan;
| | - Yutaka Yata
- Department of Gastroenterology, Hanwa Memorial Hospital, Osaka 558-0041, Japan;
| | - Hideko Ohama
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama 790-0024, Japan; (H.O.); (F.T.)
| | - Fujimasa Tada
- Gastroenterology Center, Ehime Prefectural Central Hospital, Matsuyama 790-0024, Japan; (H.O.); (F.T.)
| | - Kazuhiro Nouso
- Department of Hepatology, Okayama City Hospital, Okayama 700-0962, Japan; (K.K.); (K.N.)
| | - Asahiro Morishita
- Department of Gastroenterology and Hepatology, Kagawa University, Kagawa 761-0795, Japan; (J.T.); (A.M.)
| | - Akemi Tsutsui
- Department of Hepatology, Kagawa Prefectural Central Hospital, Takamatsu 760-8557, Japan; (K.T.); (A.T.); (T.N.)
| | - Takuya Nagano
- Department of Hepatology, Kagawa Prefectural Central Hospital, Takamatsu 760-8557, Japan; (K.T.); (A.T.); (T.N.)
| | - Norio Itokawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo 113-8603, Japan (N.I.); (T.O.); (T.A.)
| | - Tomomi Okubo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo 113-8603, Japan (N.I.); (T.O.); (T.A.)
| | - Taeang Arai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Nippon Medical School, Tokyo 113-8603, Japan (N.I.); (T.O.); (T.A.)
| | - Keisuke Yokohama
- Department of Gastroenterology, Osaka Medical and Pharmaceutical University, Osaka 569-8686, Japan; (S.F.); (K.Y.); (H.N.)
| | - Hiroki Nishikawa
- Department of Gastroenterology, Osaka Medical and Pharmaceutical University, Osaka 569-8686, Japan; (S.F.); (K.Y.); (H.N.)
| | - Michitaka Imai
- Department of Gastroenterology, Saiseikai Niigata Hospital, Niigata 950-1104, Japan; (T.I.); (M.I.)
| | - Yohei Koizumi
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon 791-0295, Japan; (M.H.); (Y.K.); (Y.H.)
| | - Shinichiro Nakamura
- Department of Internal Medicine, Japanese Red Cross Himeji Hospital, Himeji 670-8540, Japan; (T.T.); (S.N.)
| | - Hiroko Iijima
- Department of Gastroenterology and Hepatology, Hyogo Medical University, Nishinomiya 663-8501, Japan; (T.N.); (H.I.)
| | - Masaki Kaibori
- Department of Surgery, Kansai Medical University, Hirakata 573-1010, Japan; (H.K.); (M.K.)
| | - Yoichi Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Toon 791-0295, Japan; (M.H.); (Y.K.); (Y.H.)
| | - Takashi Kumada
- Department of Nursing, Gifu Kyoritsu University, Ogaki 503-8550, Japan;
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Amimoto S, Ishii M, Tanaka K, Araki S, Kuwamura M, Suga S, Kondo E, Shibata E, Kusuhara K, Yoshino K. Alagille-like syndrome with surprising karyotype: a case report. J Med Case Rep 2023; 17:186. [PMID: 37101309 PMCID: PMC10131304 DOI: 10.1186/s13256-023-03810-7] [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: 11/23/2022] [Accepted: 02/08/2023] [Indexed: 04/28/2023] Open
Abstract
BACKGROUND Chromosome 5p partial monosomy (5p-syndrome) and chromosome 6p partial trisomy are chromosomal abnormalities that result in a variety of symptoms, but liver dysfunction is not normally one of them. Alagille syndrome (OMIM #118450) is a multisystem disorder that is defined clinically by hepatic bile duct paucity and cholestasis, in association with cardiac, skeletal, and ophthalmologic manifestations, and characteristic facial features. Alagille syndrome is caused by mutations in JAG1 on chromosome 20 or NOTCH2 on chromosome 1. Here, we report a preterm infant with karyotype 46,XX,der(5)t(5,6)(p15.2;p22.3) and hepatic dysfunction, who was diagnosed as having incomplete Alagille syndrome. CASE PRESENTATION The Japanese infant was diagnosed based on the cardiac abnormalities, ocular abnormalities, characteristic facial features, and liver pathological findings. Analysis of the JAG1 and NOTCH sequences failed to detect any mutations in these genes. CONCLUSIONS These results suggest that, besides the genes that are known to be responsible for Alagille syndrome, other genetic mutations also may cause Alagille syndrome.
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Affiliation(s)
- S Amimoto
- Department of Obstetrics and Gynecology, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - M Ishii
- Department of Pediatrics, Kitakyushu General Hospital, 1-1 Higashijonochou, Kokurakita-Ku, Kitakyushu-City, 802-8517, Japan.
| | - K Tanaka
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - S Araki
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - M Kuwamura
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - S Suga
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - E Kondo
- Department of Obstetrics and Gynecology, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - E Shibata
- Department of Obstetrics and Gynecology, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - K Kusuhara
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - K Yoshino
- Department of Obstetrics and Gynecology, University of Occupational and Environmental Health, Kitakyushu, Japan
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9
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Chikugo K, Hayashi T, Tanaka K, Kin T, Toyonaga H, Nasuno O, Ishii T, Takahashi K, Yamazaki H, Katanuma A. Re-intervention with 10-mm vs 12-mm covered self-expandable metallic stent for recurrent unresectable distal biliary obstruction in patients with previous stent implantation. J Hepatobiliary Pancreat Sci 2023; 30:542-549. [PMID: 36179153 DOI: 10.1002/jhbp.1243] [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] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/07/2022] [Accepted: 08/28/2022] [Indexed: 04/28/2023]
Abstract
BACKGROUND Treatment for unresectable distal malignant biliary obstruction (DMBO) involves placing a 10-mm covered self-expandable metallic stent (CSEMS). In recurrent biliary obstruction (RBO), replacement of the CSEMS is recommended; however, the appropriate stent type remains unknown. We speculated that large-bore CSEMSs would provide longer patency. We compared the efficacy of 10-mm and 12-mm CSEMS in patients with RBO. METHODS We retrospectively retrieved data on patients who underwent CSEMS replacement from the endoscopic database. We investigated the time to RBO (TRBO) after CSEMS replacement. The hazard ratio (HR) for the the second TRBO was estimated using the Cox proportional hazard model. The estimated median second TRBO was determined using the Kaplan-Meier method. RESULTS Among the 493 patients with DMBOs treated with 10-mm CSEMS, 48 and 29 patients underwent re-intervention with 10-mm and 12-mm CSEMS, respectively. The use of 12-mm CSEMS was inversely associated with second TRBO (multivariable-adjusted HR, 0.62; 95% CI, 0.39-0.98; P = .042). The estimated median second TRBO was greater with the 12 mm CSEMS than with the 10 mm variety (562 days vs 207 days; P = .019). CONCLUSION The second intervention with 12-mm CSEMS was associated with a longer TRBO.
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Affiliation(s)
- Koki Chikugo
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Tsuyoshi Hayashi
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Kazunari Tanaka
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Toshifumi Kin
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Haruka Toyonaga
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Osamu Nasuno
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Tatsuya Ishii
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Kuniyuki Takahashi
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
| | - Hajime Yamazaki
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
- Section of Clinical Epidemiology, Department of Community Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akio Katanuma
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Hokkaido, Japan
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10
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Shirouchi B, Kawahara Y, Kutsuna Y, Higuchi M, Okumura M, Mitsuta S, Nagao N, Tanaka K. Oral Administration of Chaetoceros gracilis—A Marine Microalga—Alleviates Hepatic Lipid Accumulation in Rats Fed a High-Sucrose and Cholesterol-Containing Diet. Metabolites 2023; 13:metabo13030436. [PMID: 36984876 PMCID: PMC10051878 DOI: 10.3390/metabo13030436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/11/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023] Open
Abstract
Microalgae are attracting attention as a next-generation alternative source of protein and essential fatty acids that do not consume large amounts of water or land. Chaetoceros gracilis (C. gracilis)—a marine microalga—is rich in proteins, fucoxanthin, and eicosapentaenoic acid (EPA). Growing evidence indicates that dietary fucoxanthin and EPA have beneficial effects in humans. However, none of these studies have shown that dietary C. gracilis has beneficial effects in mammals. In this study, we investigated the effects of dietary C. gracilis on lipid abnormalities in Sprague-Dawley rats fed a high-sucrose cholesterol-containing diet. Dried C. gracilis was added to the control diet at a final dose of 2 or 5% (w/w). After four weeks, the soleus muscle weights were found to be dose-responsive to C. gracilis and showed a tendency to increase. The hepatic triglyceride and total cholesterol levels were significantly reduced by C. gracilis feeding compared to those in the control group. The activities of FAS and G6PDH, which are related to fatty acid de novo synthesis, were found to be dose-responsive to C. gracilis and tended to decrease. The hepatic glycerol content was also significantly decreased by C. gracilis feeding, and the serum HDL cholesterol levels were significantly increased, whereas the serum levels of cholesterol absorption markers (i.e., campesterol and β-sitosterol) and the hepatic mRNA levels of Scarb1 were significantly decreased. Water-soluble metabolite analysis showed that the muscular contents of several amino acids, including leucine, were significantly increased by C. gracilis feeding. The tendency toward an increase in the weight of the soleus muscle as a result of C. gracilis feeding may be due to the enhancement of muscle protein synthesis centered on leucine. Collectively, these results show that the oral administration of C. gracilis alleviates hepatic lipid accumulation in rats fed a high-sucrose and cholesterol-containing diet, indicating the potential use of C. gracilis as a food resource.
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Affiliation(s)
- Bungo Shirouchi
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
- Correspondence: ; Tel.: +81-95-813-5734
| | - Yuri Kawahara
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Yuka Kutsuna
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Mina Higuchi
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Mai Okumura
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Sarasa Mitsuta
- Department of Nutrition Science, Faculty of Nursing and Nutrition, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
| | - Norio Nagao
- Blue Scientific Shinkamigoto Co., Ltd., 770 Kogushi, Shin-Kamigoto, Minami-Matsuura, Nagasaki 857-4601, Japan
| | - Kazunari Tanaka
- Regional Partnership Center, University of Nagasaki, Siebold, 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, Japan
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11
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Okano N, Sakamaki K, Mie T, Watanabe K, Kobayashi S, Todaka A, Suzuki Y, Kitamura H, Tanaka K, Nakagawa K, Kamei K, Umemoto K, Azemoto N, Kawamoto Y, Yanagimoto H, Tsuji K, Imaoka H, Terashima T, Ueno M, Furuse J. Outcomes of FOLFIRINOX and gemcitabine plus nab-paclitaxel in patients with early recurrent pancreatic cancer after adjuvant S-1: A propensity score–matching analysis. J Clin Oncol 2023. [DOI: 10.1200/jco.2023.41.4_suppl.707] [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: 01/25/2023] Open
Abstract
707 Background: An oral fluoropyrimidine, S-1, is a standard adjuvant (adj) chemotherapy practice in Japan for patients (pts) with resected pancreatic cancer (PC). Patients experiencing recurrence after adj S-1 administration are treated with FOLFIRINOX (FFX), including intravenous fluoropyrimidine, or gemcitabine plus nab-paclitaxel (GN), which is commonly used as the first-line chemotherapy approach in pts with advanced PC. Some pts have good response to FFX with acceptable toxicity levels even though recurrence within 6 months (mo) after the last S-1 administration is attributed to PC refractory to fluoropyrimidine. To the best of our knowledge, there is no clinical study comparing FFX and GN in this particular population. Methods: This multi-center, retrospective study included pts with PC that had a recurrence-free interval (RFI) < 6 mo from the last adj S-1 administration and were treated with FFX or GN between December 2013 and 2018. The decision to administer FFX or GN was taken by the attending physicians. The primary endpoint was overall survival (OS). Secondary endpoints included progression-free survival (PFS), objective response, and serious adverse events (SAE). The OS and PFS were calculated from the time of initiation of treatment with FFX or GN. To adjust confounding factors in the comparison of FFX with GN, propensity score-matching (PSM) analysis was performed. Potentially confounding factors were identified by univariate analysis for OS, and statistical significance was set at p < 0.1. Results: A total of 284 (FFX; 50, GN; 234) pts were enrolled from 32 institutions in Japan. Potential confounding factors comprised curability, pathological T/N, tumor differentiation status, reasons for the end of S-1 administration, chemotherapy regimen, performance status, serum albumin/C-reactive protein/carbohydrate antigen 19-9 levels, and presence or absence of liver metastasis before initiating the administration of FFX or GN. After PSM, 43 pts each in the FFX and GN groups were compared in pairs. The patient characteristics, excluding age, in the matched pair were well-balanced; the proportion of pts aged < 65 years in the FFX and GN groups was 61% and 30%, respectively. The median OS and PFS were longer in the GN group than in the FFX group; OS was 14.5 vs. 11.1 mo (hazard ratio [HR], 0.61; 95% confidence interval [CI], 0.38-0.97); PFS was 7.1 vs. 5.1 mo (HR, 0.65; 95% CI, 0.41-1.02). The objective response, disease control rates, and observed SAE in the GN and FFX groups were 20/19%, 80/66%, and 14/19% respectively. Seventy-two percent of the pts in the GN group received subsequent therapies of FFX/S-1/FOLFIRI/FOLFOX (28/12/9/5%); while 77% of the FFX group pts received subsequent therapies of GN/GEM (54/7%). Conclusions: Real world data suggests that GN may be recommended in PC pts with RFI < 6 mo from the last administration of adj S-1.
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Affiliation(s)
- Naohiro Okano
- Department of Medical Oncology, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Kentaro Sakamaki
- Center for Data Science, Yokohama City University, Kanagawa, Japan
| | - Takafumi Mie
- Hepato-Biliary-Pancreatic Medicine Department, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Kazuo Watanabe
- Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | | | - Akiko Todaka
- Division of Gastrointestinal Oncology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Yuko Suzuki
- Department of Gastroenterology, Saitama Cancer Center, Saitama, Japan
| | - Hidetoshi Kitamura
- Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Kazunari Tanaka
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Kei Nakagawa
- Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Keiko Kamei
- Department of Surgery, Kindai Hospital, Osaka, Japan
| | - Kumiko Umemoto
- Department of Clinical Oncology, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Nobuaki Azemoto
- Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Yasuyuki Kawamoto
- Division of Cancer Center, Hokkaido University Hospital, Sapporo, Japan
| | - Hiroaki Yanagimoto
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University, Kobe, Japan
| | - Kunihiro Tsuji
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Hiroshi Imaoka
- Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa-Shi, Japan
| | | | | | - Junji Furuse
- Department of Gastroenterology, Kanagawa Cancer Center, Yokohama, Japan
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12
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Ito K, Ando T, Ueda A, Motoo I, Kito Y, Ishiguro A, Tanaka K, Hosokawa A, Nakashima K, Wakabayashi T, Muto O, Dazai M, Yoshida T, Yamamura T, Harada K, Kawamoto Y, Sakamoto N, Komatsu Y, Yuki S. A multicenter retrospective cohort study evaluating the clinical significance of CA125 in later line of patients with metastatic colorectal cancer. J Clin Oncol 2023. [DOI: 10.1200/jco.2023.41.4_suppl.253] [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: 01/26/2023] Open
Abstract
253 Background: The peritoneal dissemination is one of the metastatic forms of gastrointestinal cancer and has a poor prognosis. It has been reported that the presence of CA125 in mesothelial cells lining the peritoneum is involved in the elevation of CA125 due to peritoneal dissemination and inflammation of cancerous ascites, and CA125 may be a useful predictor of peritoneal dissemination in gastrointestinal cancer. It has also been reported that CA125 correlates with ascites volume and prognosis. However, there are no reports evaluating the clinical significance of CA125 in the later line of metastatic colorectal cancer (mCRC). Therefore, we conducted a multicenter retrospective study. Methods: We retrospectively analyzed the clinical data of 121 patients who received trifluridine/tipiracil (FTD/TPI) or Regorafenib from January 2012 to May 2018 in 10 centers and had the result of serum CA125 just before the treatment. Patients who had received either FTD/TPI or Regorafenib were excluded. In this study, the levels of ascites were classified as follows: "none" as undetectable by computed tomography scanning, "mild" as confined to the pelvic cavity or upper abdomen, "severe" as continuous from the pelvic cavity to the upper abdomen, and "moderate" as between "mild" and "severe". RECIST ver.1.1 was used for analysis of tumor response. Survival analyses were performed with Kaplan-Meier method, log-rank test and Cox proportional hazards model. Results: There were 75 patients in the baseline CA125 normal group (group N) and 46 patients in the high group (group H). ECOG PS tended to be worse in group H than in group N (ECOG PS (0/1/2) 26/43/6 and 9/28/9 in N and H groups, p=0.076). There were significantly more patients with ascites in group H than in group N (Yes/No 7/68 and 26/20 in N and H groups, p<0.001). Furthermore, ALP, CRP, CA19-9 and NLR were significantly higher, and Alb was significantly lower in group H than in group N. Baseline CA125 correlated with baseline ascites volume (p<0.001). PFS and OS were significantly shorter in group H compared to group N (PFS; 1.9 vs. 3.0 months; HR 1.576 [95%CI 1.081-2.299]; p=0.016, OS; 4.1 vs. 11.0 months; HR 2.418 [95%CI 1.634-3.576]; p<0.001). The rate of change for CA125 was significantly higher in patients with progressive disease on first evaluation CT compared to patients with disease control (p=0.002), and PFS and OS were significantly shorter in the increased CA125 group measured first after treatment than in the non-increased CA125 group (PFS; 1.9 vs. 4.6 months; HR 3.104 [95%CI, 2.004-4.809]; p<0.001, OS; 5.9 vs. 13.0 months; HR 2.199 [95%CI, 1.474-3.282]; p<0.001). Conclusions: In this retrospective analysis, baseline CA125 correlated with ascites volume in later line treatment of patients with mCRC, suggesting that increased CA125 may be a predictive and prognostic factor. Clinical trial information: UMIN000040059 .
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Affiliation(s)
- Ken Ito
- Department of Gastroenterology, Tomakomai City Hospital, Tomakomai, Japan
| | - Takayuki Ando
- Third Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Akira Ueda
- Third Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Iori Motoo
- Third Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Yosuke Kito
- Department of Clinical Oncology, Ishikawa Prefectural Central Hospital, Ishikawa, Japan
| | - Atsushi Ishiguro
- Department of Medical Oncology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Kazunari Tanaka
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo, Japan
| | - Ayumu Hosokawa
- Department of Clinical Oncology, University of Miyazaki Hospital, Miyazaki, Japan
| | - Koji Nakashima
- Department of Clinical Oncology, University of Miyazaki Hospital, Miyazaki, Japan
| | - Toshiki Wakabayashi
- Department of Gastroenterological Surgery, Akita City Hospital, Akita, Japan
| | - Osamu Muto
- Department of Medical Oncology, Japanese Red Cross Akita Hospital, Akita, Japan
| | - Masayoshi Dazai
- Department of Gastroenterology, Sapporo Medical Center NTT EC, Sapporo, Japan
| | - Taichi Yoshida
- Department of Clinical Oncology, Akita University, Graduate School of Medicine, Akita, Japan
| | - Takahiro Yamamura
- Division of Cancer Center, Hokkaido University Hospital, Sapporo, Japan
| | - Kazuaki Harada
- Department of Gastroenterology and Hepatology, Hokkaido University Hospital, Sapporo, Japan
| | - Yasuyuki Kawamoto
- Division of Cancer Center, Hokkaido University Hospital, Sapporo, Japan
| | - Naoya Sakamoto
- Department of Gastroenterology and Hepatology, Hokkaido University Hospital, Sapporo, Japan
| | - Yoshito Komatsu
- Division of Cancer Center, Hokkaido University Hospital, Sapporo, Japan
| | - Satoshi Yuki
- Department of Gastroenterology and Hepatology, Hokkaido University Hospital, Sapporo, Japan
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Sugita R, Hirayama K, Shirouzu T, Tanaka K. Spirodecosporaceae fam. nov. ( Xylariales, Sordariomycetes) and two new species of Spirodecospora. Fungal Syst Evol 2022; 10:217-229. [PMID: 36741553 PMCID: PMC9875695 DOI: 10.3114/fuse.2022.10.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022] Open
Abstract
The genus Spirodecospora has been placed in Xylariaceae based on morphological similarities. Spirodecospora spp., found on bamboo in Japan, were taxonomically and phylogenetically studied using molecular data for first time. Molecular phylogenetic analyses were based on the DNA sequence data of three regions: the nuclear ribosomal internal transcribed spacer (ITS) region, the large subunit (LSU) of rDNA, and the second largest RNA polymerase II subunit (rpb2) gene. Results showed that Spirodecospora formed an independent lineage from other known families in Xylariales. The new family Spirodecosporaceae is introduced in this study to accommodate this lineage based on the phylogenetic evidence and morphological differences from the other known families. Spirodecospora is characterised by having deeply immersed ascomata with a cylindrical ostiolar neck, unitunicate, cylindrical asci with I+, wedge-shaped apical ring, and broadly ellipsoidal to fusoid, aseptate, brown, verruculose ascospores with spirally or almost straight linear ornamentation. Based on morphological observations and molecular phylogenetic analyses, S. melnikii and two new species of Spirodecospora, S. paramelnikii and S. paulospiralis, are described and illustrated. A key to the four accepted species of Spirodecospora is provided. Citation: Sugita R, Hirayama K, Shirouzu T, Tanaka K (2022). Spirodecosporaceae fam. nov. (Xylariales, Sordariomycetes) and two new species of Spirodecospora. Fungal Systematics and Evolution 10: 217-229. doi: 10.3114/fuse.2022.10.09.
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Affiliation(s)
- R. Sugita
- Faculty of Agriculture and Life Science, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Aomori 036-8561, Japan,The United Graduate School of Agricultural Sciences, Iwate University, 18-8 Ueda 3 chome, Morioka, Iwate 020-8550, Japan
| | - K. Hirayama
- Apple Research Institute, Aomori Prefectural Industrial Technology Research Center (AITC), 24 Fukutami, Botandaira, Kuroishi, Aomori 036-0332, Japan
| | - T. Shirouzu
- Graduate School of Bioresources, Mie University, 1577 Kurima-machiya, Tsu, Mie, 514-8507, Japan
| | - K. Tanaka
- Faculty of Agriculture and Life Science, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Aomori 036-8561, Japan,*Corresponding author:
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Fuji H, Fujibuchi T, Tanaka H, Hiramatsu C, Ogawa Y, Noda C, Hayakawa M, Tanaka K. Effect of live video viewing on parents’ satisfaction and anxiety about radiotherapy introduction during radiotherapy for pediatric cancer. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.09.036] [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]
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15
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Abdul Karim A, Tanaka K, Nagata C, Arakawa M, Miyake Y. Association between parental occupations, educational levels, and household income and children's psychological adjustment in Japan. Public Health 2022; 213:71-77. [PMID: 36395682 DOI: 10.1016/j.puhe.2022.10.011] [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: 02/24/2022] [Revised: 08/12/2022] [Accepted: 10/11/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Most research on the association between parental or family socio-economic status and psychological adjustment in children has been performed mainly in Western countries, while there is limited evidence of such research in Asian countries. We examined the association of parental occupation and educational levels and household income with children's psychological adjustment in Japan. STUDY DESIGN This was a cross-sectional study. METHODS Study subjects were 6329 children aged 3 years. Children's psychological adjustment was assessed using the Strengths and Difficulties Questionnaire. RESULTS Compared with having an unemployed father, having a father who worked in an administrative and managerial or clerical job was associated with a lower prevalence of peer problems. Compared with having an unemployed mother, having a mother who worked in the professional and engineering, sales, service, or manufacturing process area was associated with a lower prevalence of low prosocial behaviors, whereas having a mother who worked in the clerical, service, or manufacturing process area was associated with an increased prevalence of emotional problems. Having a mother who worked in a clerical area was associated with a higher prevalence of conduct problems. Higher paternal and maternal educational levels were inversely associated with the prevalence of conduct problems and hyperactivity but were positively associated with low prosocial behaviors. A higher household income was inversely associated with the prevalence of emotional problems, conduct problems, and hyperactivity. CONCLUSION Parental occupation, educational levels, and household income may affect children's psychological adjustment in Japan.
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Affiliation(s)
- A Abdul Karim
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
| | - K Tanaka
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan; Research Promotion Unit, Translation Research Center, Ehime University Hospital, Ehime, Japan; Center for Data Science, Ehime University, Ehime, Japan.
| | - C Nagata
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - M Arakawa
- Wellness Research Fields, Faculty of Global and Regional Studies, University of the Ryukyus, Okinawa, Japan
| | - Y Miyake
- Department of Epidemiology and Public Health, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan; Research Promotion Unit, Translation Research Center, Ehime University Hospital, Ehime, Japan; Center for Data Science, Ehime University, Ehime, Japan
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16
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Tokuzawa T, Nasu T, Inagaki S, Moon C, Ido T, Idei H, Ejiri A, Imazawa R, Yoshida M, Oyama N, Tanaka K, Ida K. 3D metal powder additive manufacturing phased array antenna for multichannel Doppler reflectometer. Rev Sci Instrum 2022; 93:113535. [PMID: 36461436 DOI: 10.1063/5.0101723] [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: 06/03/2022] [Accepted: 09/07/2022] [Indexed: 06/17/2023]
Abstract
Measuring the time variation of the wavenumber spectrum of turbulence is important for understanding the characteristics of high-temperature plasmas, and the application of a Doppler reflectometer with simultaneous multi-frequency sources is expected. To implement this diagnostic in future fusion devices, the use of a phased array antenna (PAA) that can scan microwave beams without moving antennas is recommended. Since the frequency-scanning waveguide leaky-wave antenna-type PAA has a complex structure, we have investigated its characteristics by modeling it with 3D metal powder additive manufacturing (AM). First, a single waveguide is fabricated to understand the characteristics of 3D AM techniques, and it is clear that there are differences in performance depending on the direction of manufacture and surface treatment. Then, a PAA is made, and it is confirmed that the beam can be emitted in any direction by frequency scanning. The plasma flow velocity can be measured by applying the 3D manufacturing PAA to plasma measurement.
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Affiliation(s)
- T Tokuzawa
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
| | - T Nasu
- The Graduate University for Advanced Studies, SOKENDAI, Toki 509-5292, Japan
| | - S Inagaki
- Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
| | - C Moon
- Research Institute for Applied Mechanics, Kyushu University, Kasuga 816-8580, Japan
| | - T Ido
- Research Institute for Applied Mechanics, Kyushu University, Kasuga 816-8580, Japan
| | - H Idei
- Research Institute for Applied Mechanics, Kyushu University, Kasuga 816-8580, Japan
| | - A Ejiri
- Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan
| | - R Imazawa
- National Institutes for Quantum Science and Technology, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan
| | - M Yoshida
- National Institutes for Quantum Science and Technology, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan
| | - N Oyama
- National Institutes for Quantum Science and Technology, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan
| | - K Tanaka
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
| | - K Ida
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
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17
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Tanaka K, Yasuda N. Effects of long-term training on whole body DNA oxidation in adolescent female volleyball athletes. J Sci Med Sport 2022. [DOI: 10.1016/j.jsams.2022.09.126] [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: 11/17/2022]
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18
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Nasu T, Tokuzawa T, Tsujimura TI, Ida K, Yoshinuma M, Kobayashi T, Tanaka K, Emoto M, Inagaki S, Ejiri A, Kohagura J. Receiver circuit improvement of dual frequency-comb ka-band Doppler backscattering system in the large helical device (LHD). Rev Sci Instrum 2022; 93:113518. [PMID: 36461466 DOI: 10.1063/5.0101588] [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: 06/02/2022] [Accepted: 10/04/2022] [Indexed: 06/17/2023]
Abstract
Doppler-backscattering (DBS) has been used in several fusion plasma devices because it can measure the perpendicular velocity of electron density perturbation v⊥, the radial electric field Er, and the perpendicular wavenumber spectrum S(k⊥) with high wavenumber and spatial resolution. In particular, recently constructed frequency comb DBS systems enable observation of turbulent phenomena at multiple observation points in the radial direction. A dual-comb microwave DBS system has been developed for the large helical device plasma measurement. Since it is desirable to control the gain of each frequency-comb separately, a frequency-comb DBS system was developed with a function to adjust the gain of the scattered signal intensity of each channel separately. A correction processing method was also developed to correct the amplitude ratio and the phase difference between the in-phase and quadrature-phase signals of the scattered signals. As a result, the error in Doppler-shift estimation required to observe vertical velocity and the radial electric field was reduced, which enables more precise measurements.
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Affiliation(s)
- T Nasu
- School of Physics Science, The Graduate University for Advanced Studies, Toki 509-5292, Japan
| | - T Tokuzawa
- School of Physics Science, The Graduate University for Advanced Studies, Toki 509-5292, Japan
| | - T I Tsujimura
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
| | - K Ida
- School of Physics Science, The Graduate University for Advanced Studies, Toki 509-5292, Japan
| | - M Yoshinuma
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
| | - T Kobayashi
- School of Physics Science, The Graduate University for Advanced Studies, Toki 509-5292, Japan
| | - K Tanaka
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
| | - M Emoto
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
| | - S Inagaki
- Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
| | - A Ejiri
- Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan
| | - J Kohagura
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
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19
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Oka T, Koyama Y, Inoue K, Tanaka N, Tanaka K, Hirao Y, Okada M, Okamura A, Iwakura K, Fujii K, Masuda M, Watanabe T, Sunaga A, Hikoso S, Sakata Y. Extensive ablation strategy for persistent atrial fibrillation impairs left atrial function but reduces recurrence rate. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.462] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
In catheter ablation for persistent atrial fibrillation (AF), extensive ablation strategy, such as linear ablation and/or complex fractionated atrial electrogram (CFAE) ablation in addition to pulmonary vein isolation (PVI-plus), might impair left atrial function more severely than PVI-alone strategy.
Purpose
The aim of this study is to investigate the impact of extensive ablation strategy on LA function and assess the relationship between post-ablation LA function and recurrence.
Methods
This study is a post-hoc subanalysis of the EARNEST-PVI randomized controlled trial, which investigated the efficacy of the PVI-alone strategy in comparison with PVI-plus strategy for persistent AF. From the 497 participants of EARNEST-PVI trial, we enrolled 191 patients with full datasets of pre- and post-ablation cardiac computed tomography (CT) at our Hospital. Patients were divided into PVI-alone and PVI-plus groups. Within one month before and 3 months after ablation, LA volume index (LAVI) and LA emptying fraction (LAEF) were calculated by using the Comprehensive Cardiac Analysis software on the Extended Brilliance Workspace. We assessed i) post-ablation LA function, ii) AF/atrial tachycardia (AT) -free rate after single and final session, and iii) relationship between post-ablation LAEF and ablation success in each group.
Results
The indices of baseline LA remodeling were not different between PVI-alone (N=96) and PVI-plus groups (N=95) [LAVI: 71.4 (57.8, 82.0) vs. 68.7 (61.0, 78.1), P=0.92, LAEF: 13.7 (10.0, 17.4) vs. 13.0 (10.0, 16.9), PVI-alone vs. PVI-plus, P=0.78]. In overall patients, post-ablation LAEF did not differ among them [34.4 (26.1, 40.7) vs. 31.6 (26.0, 37.4), P=0.13]. In the analysis of patients showing sinus rhythm during the CT study, LAEF was significantly higher in PVI-alone (N=87) than in PVI-plus group (N=93) [35.7 (29.0, 41.0) vs. 31.7 (26.1, 37.5), P=0.011] (Figure 1A). AF/AT-free survival rate during median follow-up of 44 months was not different after first session (63.5% vs. 68.4%, P=0.33), while PVI-plus had a tendency towards higher success rate after final session (72.9% vs. 84.2%, P=0.053) (Figure 2). In receiver operating characteristics analysis for recurrence after first session, post-ablation decreased LAEF had significantly related to recurrence after PVI-alone (AUC: 0.733, P<0.0001), but not after PVI-plus (AUC: 0.567, P=0.31) (Figure 1B, C).
Conclusion
Compared with PVI-alone strategy, PVI-plus strategy damaged LA function more severely, but tended to be related to higher success rate. Post-ablation LA function was related to recurrence in PVI-alone, but not in PVI-plus. Extensive ablation might have additional anti-arrhythmic effect regardless of iatrogenic myocardial damage. Myocardial injury by extensive ablation may less attribute to recurrence than intrinsic damage of LA.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- T Oka
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - K Inoue
- National Hospital Organization Osaka National Hospital , Osaka , Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - M Okada
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - K Fujii
- Sakurabashi-Watanabe Hospital, Cardiovasucular Division , Osaka , Japan
| | - M Masuda
- Kansai Rosai Hospital , Amagasaki , Japan
| | - T Watanabe
- Osaka General Medical Center , Osaka , Japan
| | - A Sunaga
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
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20
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Tsugu T, Tanaka K, Nagatomo Y, Belsack D, Argacha JF, Cosysns B, De Maeseneer M, De Mey J. Impact of vessel morphology on computed tomography derived fractional flow reserve (FFRCT) in normal coronary artery disease: a novel marker for the predictor of FFRCT changes. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.204] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Computed tomography (CT) derived fractional flow reserve (FFRCT) decreases continuously from the proximal to the distal segments of the vessel even in normal coronary arteries. It has been empirically proved that the degree of FFRCT decline varies based on vessel morphology even in the same vessel length.
Purpose
To investigate the vessel morphological factors that influence FFRCT in normal coronary arteries.
Methods
A total of 1402 outpatients with suspected CAD who underwent CT angiography (CTA) with FFRCT analysis between January 2017 and October 2021 were evaluated. Among them, 234 consecutive patients who underwent both CT angiography including FFRCT and invasive coronary angiography, resulting in <20% stenosis in right coronary artery (RCA) were evaluated. RCA vessels from ostium to just proximal site of the posterior descending branch were analysed and divided into two groups according to distal FFRCT: FFRCT >0.80 (n=219) and FFRCT ≤0.80 (n=15). FFRCT was measured at proximal and distal segments of the RCA. Vessel morphology (vessel length, lumen diameter and volume, and plaque volume) and left ventricular mass were assessed. The ratio of lumen volume and vessel length was defined as the V/L ratio.
Results
Whereas vessel length was almost the same between FFRCT >0.80 and ≤0.80 (>0.80 vs. ≤0.80, 115.9±17.3 vs. 119.6±28.7 mm), lumen volume (1135.2±369.3 vs. 906.2±362.6 mm3, p<0.05) and V/L ratio (9.8±2.6 vs. 7.5±2.3, p<0.01) were significantly higher in FFRCT >0.80. Distal FFRCT correlated with plaque-related parameters [low-attenuation plaque, intermediate-attenuation plaque, and calcified plaque (CP)] and vessel-related parameters (proximal and distal vessel diameter, vessel length, lumen volume, and V/L ratio). Among all vessel-related parameters, V/L ratio showed the highest correlation with distal FFRCT (r=0.44, p<0.0001) (Figure 1). Multivariable analysis showed that CP volume was the strongest predictor of distal FFRCT (β-coefficient = −0.38, p<0.0001), followed by V/L ratio (β-coefficient = 0.95, p=0.007). V/L ratio was the strongest predictor of a distal FFRCT ≤0.80 (cut-off 8.2, AUC 0.73, sensitivity 66.7%, specificity 69.3%, 95% CI 0.60–0.86) (Figure 2).
Conclusions
Our study findings suggest that the V/L ratio can be a measure to predict subclinical coronary perfusion disturbance.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- T Tsugu
- Universitair Ziekenhuis Brussel, Department of Radiology , Brussels , Belgium
| | - K Tanaka
- Universitair Ziekenhuis Brussel, Department of Radiology , Brussels , Belgium
| | - Y Nagatomo
- National Defense Medical College Hospital, Department of Cardiology , Tokorozawa , Japan
| | - D Belsack
- Universitair Ziekenhuis Brussel, Department of Radiology , Brussels , Belgium
| | - J F Argacha
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten , Brussels , Belgium
| | - B Cosysns
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten , Brussels , Belgium
| | - M De Maeseneer
- Universitair Ziekenhuis Brussel, Department of Radiology , Brussels , Belgium
| | - J De Mey
- Universitair Ziekenhuis Brussel, Department of Radiology , Brussels , Belgium
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21
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Iwakura K, Onishi T, Okamura A, Koyama Y, Hirao Y, Tanaka K, Iwamoto M, Tanaka N, Okada M, Watanabe H, Nakatani D, Hikoso S, Sakata Y, Sakata Y. Development of the new risk score to predict occurrence of atrial fibrillation early after acute myocardial infarction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.509] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background/Introduction
New onset of atrial fibrillation (AF) is associated with adverse short- and long-term outcomes after acute myocardial infarction (AMI), and its prediction is relevant for the risk stratification in patients with AMI. Although several risk scores were developed for AF in the general population, there is no established risk score for AF occurrence after AMI.
Purpose
To develop a risk score to predict occurrence of AF early after AMI.
Methods
We enrolled consecutive 751 patients with AMI who admitted to our hospital between April 2006 and September 2012 for the present study. New occurrence of AF was defined as AF detected during hospital stay in a patient showing normal regular sinus rhythm at admission. Parameters relevant to the occurrence of AF was selected from the clinical characteristics, physical status and blood test data at admission, and peak CK/CK-MB, by stepwise logistic regression analysis. We constructed a risk score model to predict the new occurrence of AF, using selected parameters and their logistic regression coefficients. C-statistics was determined by constructing a receiver operating characteristic curve to evaluate the accuracy of the risk score for prediction of AF occurrence.
Results
We excluded 48 patients (6.4%) who had AF at admission, and 208 patients without sufficient data at admission, and thus, the study group consisted of 459 patients (age; 65±13 years, male gender; 79.6%). New AF occurrence was observed in 72 patients (14.5%). The following 7 parameters was selected as parameters related with AF (as p<0.1); Inferior/posterior AMI, use of β blockers, use of diuretics, single vessel disease, absence of reperfusion therapy, systolic blood pressure (sBP) at admission, and smoking. One point was given to sBP>128mmHg, 2 points to absence of reperfusion, and one point to other parameters. Sum of these points was calculated as the AF risk score (Table 1). AF occurred in 27.1% of patients with ≥5 points whereas it was observed 5.2% of those with <5 points. C-statistics of the risk score was 0.75 (95% CI 0.68–0.83).
Conclusion
We developed a novel risk score to estimate the risk of AF occurrence early after AMI, which can be a useful tool for the risk stratification after AMI.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- K Iwakura
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - T Onishi
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - M Okada
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - H Watanabe
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - D Nakatani
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - Y Sakata
- National Cerebral and Cardiovascular Center Hospital, Department of Clinical Medicine and Development , Osaka , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
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22
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Tanaka N, Okada M, Tanaka K, Harada S, Kawahira M, Hirao Y, Onishi T, Koyama Y, Fujii K, Watanabe H, Okamura A, Iwakura K. Untreated sleep apnea and left atrial dilatation in patients with atrial fibrillation prior to catheter ablation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.513] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Sleep apnea and left atrial dilatation are both risk factors for an arrhythmia recurrence after catheter ablation (CA) of atrial fibrillation (AF). Negative intrathoracic pressure fluctuations during an obstructive apnea episode may cause the left atrium to distend and stretch its wall. Whether sleep apnea is associated with left atrial dilatation in patients receiving CA of AF remains unknown.
Purpose
We sought to elucidate whether moderate or severe untreated sleep apnea was associated with left atrial dilatation in patients with AF before CA.
Methods
This study was conducted under a retrospective, single-center, observational design. The data were derived from screening tests for sleep apnea, which were routinely performed in patients scheduled to receive CA of AF in our institution. After excluding patients who were already diagnosed with sleep apnea, we enrolled 1265 consecutive patients (age 65±11 years, 27.8% females, and 46.2% of non-paroxysmal AF) who underwent both home sleep apnea testing and multidetector computed tomography (MDCT) before the CA of AF. The severity of the sleep apnea was evaluated by the apnea-hypopnea index (AHI) using a watch-type peripheral arterial tonometry. Left atrial dilatation was evaluated by the left atrial maximum volume (LA max V) using 256-slice MDCT.
Results
The age was 65±11 years, 27.8% were females, and 46.2% had non-paroxysmal AF. The mean AHI was 20.3±15.3 and LA max V 105±34 ml (R2=0.075, p<0.0001). LA dilatation was defined by larger than mean LA max V (LA max V≥105 ml). We examined an LA max V≥105 ml as a predictor. After an adjustment by an advanced age (≥65 years), non-paroxysmal AF, male sex, obesity, hypertension, and congestive heart failure, all of which were significant predictors of an LA max V≥105ml in the univariate analysis, moderate or severe sleep apnea (AHI≥15) was a significant predictor of an LA max V≥105 ml (odds ratio 1.63, 95% confidence interval 1.24–2.14, p=0.0005).
Conclusion
Among the patients scheduled to receive catheter ablation of AF, moderate or severe sleep apnea was independently associated with left atrial dilatation.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- N Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - M Okada
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - S Harada
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - M Kawahira
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - T Onishi
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - K Fujii
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - H Watanabe
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
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23
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Tanaka N, Inoue K, Hirao Y, Koyama Y, Okamura A, Iwakura K, Okada M, Tanaka K, Kobori A, Kaitani K, Morimoto T, Morishima I, Kusano K, Kimura T, Shizuta S. Sex differences in terms of recurrent atrial fibrillation after catheter ablation according to the history of heart failure: insights from the Kansai Plus Atrial Fibrillation (KPAF) registry. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.608] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
There are significant differences in the prevalence and prognosis of cardiovascular diseases between male and female. We previously reported that catheter ablation (CA) of atrial fibrillation (AF) was less effective in female than male, but whether their history of heart failure influence the recurrence after CA of AF remains still unknown.
Purpose
We sought to clarify sex differences in terms of AF recurrence after RFCA of AF according to the history of heart failure.
Methods
We conducted a large-scale, prospective, multicenter, observational study (Kansai Plus Atrial Fibrillation Registry). We enrolled 5010 consecutive patients who underwent an initial RFCA of AF at 26 centers (64±10 years; 1369 [27.3%] females; non-paroxysmal AF, 35.7%). The median follow-up duration was 2.9 years.
Results
Fourteen % of female had a history of heart failure prior to CA, while 12.8% of male had a history of heart failure at baseline (p=0.29). The 3-year cumulative incidence of AF recurrence after a single procedure was 43.3% in female and 39.0% in male (log rank P=0.0046). In patients with the history of heart failure, AF recurrence rates were 42.2% in female and 45.8% in male (log rank P=0.51). On the other hand, in patients without history of heart failure, more females experienced AF recurrence (female vs. male, 43.5% vs. 38.0%, log rank P=0.001).
The rate of AF recurrence after multiple procedures was higher in female (24.2% vs. 19.6%, log rank P<0.0001). AF recurrence rates were similar between sexes in patients with history of heart failure (female vs. male, 26.0% vs. 26.7%, log rank P=0.86), while AF recurrence rates were higher in female without history of heart failure than those in male (females vs. males, 23.9% vs. 18.5%, log rank P<0.0001).
Conclusion
The Kansai Plus Atrial Fibrillation Registry revealed a distinct sex difference in terms of the AF recurrence after CA of AF. Females had higher recurrence rates compared with males in patients without history of heart failure, while recurrence rates were similar between sexes in patients with history of heart failure.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): Research Institute for Production Development in Kyoto, Japan.
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Affiliation(s)
- N Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - K Inoue
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - M Okada
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center , Osaka , Japan
| | - A Kobori
- Kobe City Medical Center General Hospital , Kobe , Japan
| | - K Kaitani
- Japanese Red Cross Otsu Hospital , Otsu , Japan
| | - T Morimoto
- Hyogo Medical University , Nishinomiya , Japan
| | | | - K Kusano
- National Cerebral & Cardiovascular Center , Suita , Japan
| | - T Kimura
- Kyoto University Graduate School of Medicine , Kyoto , Japan
| | - S Shizuta
- Kyoto University Graduate School of Medicine , Kyoto , Japan
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24
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Masuda S, Kageyama S, Kotoku N, Ninomiya K, Schneider U, Doenst T, Tanaka K, Mey JD, Lameir M, Mushtaq S, Bartorelli A, Pompilio G, Andreini D, Onuma Y, Serruys PW. Comparison of the SYNTAX score 2020 based on Coronary Artery Computed Tomography (CCTA) with Invasive Coronary Angiography (ICA). Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.199] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction
The SYNTAX III REVOLUTION trial demonstrated that clinical decision-making between coronary artery bypass graft (CABG) and percutaneous coronary intervention (PCI) based on coronary artery computed tomography (CCTA) and predicting four years mortality according to the SYNTAX score II had a high agreement with the treatment decision derived from invasive coronary angiography (ICA). The agreement of the novel SYNTAX score 2020 (SS-2020) based on CCTA and ICA has not yet been evaluated in a prospective fashion.
Methods
This study included 54 consecutive patients in the ongoing FASTTRACK CABG trial that investigates decision making, planning and procedural CABG guidance based solely on CCTA and FFRct. All the patients underwent CCTA and ICA, and SS-2020 was calculated based on the results of anatomical SYNTAX score derived from either CCTA or ICA, and the respective scores were compared by using paired t-test.
Results
The mean age was 67.3±9.7, and 48 were men (88.9%). Anatomical SYNTAX score derived from CCTA was assessed in the 54 cases (analysability 100%). Anatomical SYNTAX scores based on CCTA and ICA were 34.3±9.3, and 35.5±11.3, respectively (P=0.480). As shown in the table predicted 5 years major adverse cardiac and cerebrovascular events (MACCE) following either PCI or CABG, as well as predicted 10 years mortality following CABG differed significantly. However the absolute risk differences (ARD) in 5 years MACCE and 10 years mortality following either PCI or CABG, were comparable.
Conclusions
High agreements were confirmed in the calculations of anatomical SYNTAX scores with CCTA and ICA. Despite significant differences in predicted MACCE rates at 5 years and mortalities at 10 years, the ARD in MACCE rates and mortality were comparable. In terms of treatment decision-making, SS-2020 calculations based on CCTA is a non-invasive predictive tool comparable to the one based on ICA.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- S Masuda
- National University of Ireland , Galway , Ireland
| | - S Kageyama
- National University of Ireland , Galway , Ireland
| | - N Kotoku
- National University of Ireland , Galway , Ireland
| | - K Ninomiya
- National University of Ireland , Galway , Ireland
| | | | - T Doenst
- University Hospital Jena , Jena , Germany
| | - K Tanaka
- University Hospital (UZ) Brussels , Brussels , Belgium
| | - J D Mey
- University Hospital (UZ) Brussels , Brussels , Belgium
| | - M Lameir
- University Hospital (UZ) Brussels , Brussels , Belgium
| | - S Mushtaq
- Centro Cardiologico Monzino , Milano , Italy
| | | | - G Pompilio
- Centro Cardiologico Monzino , Milano , Italy
| | - D Andreini
- Centro Cardiologico Monzino , Milano , Italy
| | - Y Onuma
- National University of Ireland , Galway , Ireland
| | - P W Serruys
- National University of Ireland , Galway , Ireland
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25
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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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26
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Hiraga H, Machida R, Kawai A, Matsumoto Y, Yonemoto T, Nishida Y, Nagano A, Ae K, Yoshida S, Asanuma K, Toguchida J, Huruta D, Nakayama R, Akisue T, Hiruma T, Morii T, Tanaka K, Kataoka T, Fukuda H, Ozaki T. 1482O A phase III study comparing methotrexate (M), adriamycin (A) and cisplatin (P) with MAP + ifosfamide (MAP + IF) for the treatment of osteosarcoma: JCOG0905. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1585] [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: 11/29/2022] Open
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27
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Inoue H, Tsutsumi H, Okamura K, Ota K, Yoneshima Y, Iwama E, Tanaka K, Okamoto I. EP08.01-036 Low-dose EGFR-TKIs Directly Induce Maturation and Functional Activity of Human Dendritic Cells in an EGFR-independent manner. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.608] [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]
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28
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Morioka S, Tsuzuki S, Suzuki M, Terada M, Akashi M, Osanai Y, Kuge C, Sanada M, Tanaka K, Maruki T, Takahashi K, Saito S, Hayakawa K, Teruya K, Hojo M, Ohmagari N. Post COVID-19 condition of the Omicron variant of SARS-CoV-2. J Infect Chemother 2022; 28:1546-1551. [PMID: 35963600 PMCID: PMC9365517 DOI: 10.1016/j.jiac.2022.08.007] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/18/2022] [Accepted: 08/04/2022] [Indexed: 12/12/2022]
Abstract
Objectives To investigate the prevalence of post coronavirus disease (COVID-19) condition of the Omicron variant in comparison to other strains. Study design A single-center cross-sectional study. Methods Patients who recovered from Omicron COVID-19 infection (Omicron group) were interviewed via telephone, and patients infected with other strains (control group) were surveyed via a self-reporting questionnaire. Data on patients’ characteristics, information regarding the acute-phase COVID-19, as well as presence and duration of COVID-19-related symptoms were obtained. Post COVID-19 condition in this study was defined as a symptom that lasted for at least 2 months, within 3 months of COVID-19 onset. We investigated and compared the prevalence of post COVID-19 condition in both groups after performing propensity score matching. Results We conducted interviews for 53 out of 128 patients with Omicron and obtained 502 responses in the control group. After matching cases with controls, 18 patients from both groups had improved covariate balance of the factors: older adult, female sex, obesity, and vaccination status. There were no significant differences in the prevalence of each post COVID-19 condition between the two groups. The number of patients with at least one post COVID-19 condition in the Omicron and control groups were 1 (5.6%) and 10 (55.6%) (p = 0.003), respectively. Conclusions The prevalence of post Omicron COVID-19 conditions was less than that of the other strains. Further research with a larger sample size is needed to investigate the precise epidemiology of post COVID-19 condition of Omicron, and its impact on health-related quality of life and social productivity.
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Affiliation(s)
- S Morioka
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan; Emerging and Reemerging Infectious Diseases, Graduate School of Medicine, Tohoku University, Sendai, Japan; AMR Clinical Reference Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan.
| | - S Tsuzuki
- AMR Clinical Reference Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan; Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - M Suzuki
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - M Terada
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan; Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan
| | - M Akashi
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - Y Osanai
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - C Kuge
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - M Sanada
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - K Tanaka
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - T Maruki
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - K Takahashi
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - S Saito
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - K Hayakawa
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan; AMR Clinical Reference Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - K Teruya
- AIDS Clinical Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - M Hojo
- Division of Respiratory Medicine, National Center for Global Health and Medicine Hospital, Tokyo, Japan
| | - N Ohmagari
- Disease Control and Prevention Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan; AMR Clinical Reference Center, National Center for Global Health and Medicine Hospital, Tokyo, Japan
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29
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Kobayashi S, Suzuki M, Ueno M, Maruki Y, Okano N, Todaka A, Ozaka M, Tsuji K, Shioji K, Doi K, Kojima Y, Tsumura H, Tanaka K, Higuchi H, Kawabe K, Imaoka H, Yamashita T, Miwa H, Nagano H, Arima S, Hayashi H, Naganuma A, Yamaguchi H, Hisano T, Umemoto K, Ishii S, Nakashima K, Suzuki R, Kitano Y, Misumi T, Furuse J, Ishii H. Comparing the Efficacy and Safety of Gemcitabine plus Nab-Paclitaxel versus Gemcitabine Alone in Older Adults with Unresectable Pancreatic Cancer. Oncologist 2022; 27:e774-e782. [PMID: 35946841 PMCID: PMC9526497 DOI: 10.1093/oncolo/oyac157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 06/27/2022] [Indexed: 12/05/2022] Open
Abstract
Background Gemcitabine plus nab-paclitaxel (GnP) has been a standard treatment for unresectable pancreatic cancer (uPC); however, the current treatment status and usefulness in older adults with uPC remain unclear. Therefore, we aimed to investigate the patient background and compare the efficacy and safety of GnP versus other treatments in older adults with uPC. Patients and Methods In this prospective observational study, we enrolled 233 eligible patients aged ≥76 years with pathologically proven, clinically uPC, and no history of chemotherapy from 55 Japanese centers during September 2018-September 2019. The main endpoints were overall survival (OS), progression-free survival (PFS), and safety. Geriatric assessments were performed upon registration and after 3 months. To adjust for confounders, we conducted propensity score-matched analyses. Results GnP, gemcitabine alone (Gem), best supportive care, and other therapies were administered to 116, 72, 16, and 29 patients, respectively. In the propensity score-matched analysis, 42 patients each were selected from the GnP and Gem groups. The median OS was longer in the GnP group than in the Gem group (12.2 vs. 9.4 months; hazard ratio [HR], 0.65; 95% CI, 0.37-1.13). The median PFS was significantly longer in the GnP group than in the Gem group (9.2 vs. 3.7 months; HR, 0.38; 95% CI, 0.23-0.64). The incidence of severe adverse events was higher with GnP than with Gem; however, the difference was not significant. Conclusion GnP is more efficacious than Gem in patients aged ≥76 years with uPC despite demonstrating a higher incidence of severe adverse events.
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Affiliation(s)
- Satoshi Kobayashi
- Department of Gastroenterology, Kanagawa Cancer Center, Yokohama City, Japan
| | - Motoko Suzuki
- Department of Data Science, National Cancer Center Hospital East, Kashiwa City, Japan
| | - Makoto Ueno
- Department of Gastroenterology, Kanagawa Cancer Center, Yokohama City, Japan
| | - Yuta Maruki
- Department of Gastroenterology, Hepatobiliary and Pancreatic Medical Oncology Division, National Cancer Center Hospital, Chuo-ku, Japan
| | - Naohiro Okano
- Department of Medical Oncology, Kyorin University Faculty of Medicine, Mitaka City, Japan
| | - Akiko Todaka
- Division of Gastrointestinal Oncology, Shizuoka Cancer Center, Shunto-Gun, Japan
| | - Masato Ozaka
- Department of Gastroenterology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Japan
| | - Kunihiro Tsuji
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa City, Japan
| | - Kazuhiko Shioji
- Department of Internal Medicine, Niigata Cancer Center Hospital, Niigata City, Japan
| | - Keitaro Doi
- Department of Therapeutic Oncology, Kyoto University, Graduate School of Medicine, Kyoto City, Japan
| | - Yasushi Kojima
- Department of Gastroenterology, National Center for Global Health and Medicine, Shinjuku-ku, Japan
| | - Hidetaka Tsumura
- Department of Gastroenterological Oncology, Hyogo Cancer Center, Akashi City, Japan
| | - Kazunari Tanaka
- Center for Gastroenterology, Teine Keijinkai Hospital, Sapporo City, Japan
| | - Hajime Higuchi
- Department of Clinical Oncology, International University of Health and Welfare, Narita Hospital, Narita City, Japan
| | - Ken Kawabe
- Department of Gastroenterology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka City, Japan
| | - Hiroshi Imaoka
- Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa City, Japan
| | - Tatsuya Yamashita
- Department of Gastroenterology, Kanazawa University Graduate School of Medicine Sciences, Kanazawa City, Japan
| | - Haruo Miwa
- Gastroenterological Center, Yokohama City University Medical Center, Yokohama City, Japan
| | - Hiroaki Nagano
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube City, Japan
| | - Shiho Arima
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City, Japan
| | - Hideyuki Hayashi
- Genomics Unit, Keio Cancer Center, Keio University School of Medicine, Japan
| | - Atsushi Naganuma
- Department of Gastroenterology, National Hospital Organization Takasaki General Medical Center, Shinjuku-ku, Japan
| | | | - Terumasa Hisano
- Department of Hepato-Biliary-Pancreatology, National Hospital Organization Kyushu Cancer Center, Fukuoka City, Japan
| | - Kumiko Umemoto
- Department of Clinical Oncology, St. Marianna University School of Medicine, Kawasaki City, Japan
| | - Shuji Ishii
- Department of Gastroenterology and Hepatology, Osaka General Medical Center, Osaka City, Japan
| | - Koji Nakashima
- Department of Clinical Oncology, University of Miyazaki Hospital, Miyazaki City, Japan
| | - Rei Suzuki
- Department of Gastroenterology, Fukushima Medical University, Fukushima City, Japan
| | - Yohei Kitano
- Division of Metabolism and Biosystemic Science, Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa City, Japan
| | - Toshihiro Misumi
- Department of Data Science, National Cancer Center Hospital East, Kashiwa City, Japan
| | - Junji Furuse
- Department of Medical Oncology, Kyorin University Faculty of Medicine, Mitaka City, Japan
| | - Hiroshi Ishii
- Clinical Research Center, Chiba Cancer Center, Chiba City, Japan
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Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO-Virgo data. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.106.042003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Yamashita S, Kohta M, Hosoda K, Tanaka J, Matsuo K, Kimura H, Tanaka K, Fujita A, Sasayama T. Absence of the Anterior Communicating Artery on Selective MRA is Associated with New Ischemic Lesions on MRI after Carotid Revascularization. AJNR Am J Neuroradiol 2022; 43:1124-1130. [PMID: 35835591 PMCID: PMC9575412 DOI: 10.3174/ajnr.a7570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 05/17/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE ICA-selective MRA using a pencil beam presaturation pulse can accurately visualize anterior communicating artery flow. We evaluated the impact of anterior communicating artery flow on the perioperative hemodynamic status and new ischemic lesions after carotid revascularization. MATERIALS AND METHODS Eighty-three patients with carotid artery stenosis were included. We assessed anterior communicating artery flow using ICA-selective MRA. The preoperative hemodynamic status was measured using SPECT. We also measured the change in regional cerebral oxygen saturation after temporary ICA occlusion. New ischemic lesions were evaluated by DWI on the day after treatment. RESULTS Anterior communicating artery flow was detected in 61 patients, but it was not detected in 22 patients. Preoperative cerebrovascular reactivity was significantly higher in patients with (versus without) anterior communicating artery flow with a mean peak systolic velocity of ≥200 cm/s (39.6% [SD, 23.8%] versus 25.2% [SD, 16.4%]; P = .030). The decrease in mean regional cerebral oxygen saturation was significantly greater in patients without (versus with) anterior communicating artery flow (8.5% [SD, 5.6%] versus 3.7% [SD, 3.8%]; P = .002). New ischemic lesions after the procedure were observed in 23 patients. The multivariate logistic regression analysis revealed that anterior communicating artery flow (OR, 0.07; 95% CI, 0.012-0.45; P = .005) was associated with new ischemic lesions. CONCLUSIONS The absence of anterior communicating artery flow influenced the perioperative hemodynamic status in patients with carotid stenosis and was associated with an increased incidence of new ischemic lesions after carotid revascularization.
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Affiliation(s)
- S Yamashita
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - M Kohta
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Hosoda
- Department of Neurosurgery (K.H.), Kobe City Nishi-Kobe Medical Center, Kobe, Japan
| | - J Tanaka
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Matsuo
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - H Kimura
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - K Tanaka
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - A Fujita
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
| | - T Sasayama
- From the Department of Neurosurgery (S.Y., M.K., J.T., K.M., H.K., K.T., A.F., T.S.), Kobe University Graduate School of Medicine, Kobe, Japan
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Masuda S, Kageyama S, Kotoku N, Ninomiya K, Schneider U, Doenst T, Tanaka K, Mey J, Meir M, Mushtaq S, Bartorelli A, Pompilio G, Andreini D, Onuma Y, Serruys P. 462 Comparison Of The Syntax Score 2020 Based On Coronary Artery Computed Tomography (CCTA) With Invasive Coronary Angiography (ICA). J Cardiovasc Comput Tomogr 2022. [DOI: 10.1016/j.jcct.2022.06.067] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Belsack D, Tanaka K, Buls N, de Mey J. 427 Diagnostic Performance Of Coronary Ct Angiography By 0.23ms Ct Gantry Rotation Time In Patients With High Heart Rates: A Preliminary Study. J Cardiovasc Comput Tomogr 2022. [DOI: 10.1016/j.jcct.2022.06.032] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kashiwagi E, Ono Y, Higashihara H, Tanaka K, Nagai K, Kosai S, Yano H, Tomiyama N. Abstract No. 35 Percutaneous sclerotherapy with OK-432 for lymphocele after pelvic or para-aortic lymphadenectomy: preliminary results. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.116] [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] Open
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Uchida K, Mattoni G, Yonezawa S, Nakamura F, Maeno Y, Tanaka K. High-Order Harmonic Generation and Its Unconventional Scaling Law in the Mott-Insulating Ca_{2}RuO_{4}. Phys Rev Lett 2022; 128:127401. [PMID: 35394320 DOI: 10.1103/physrevlett.128.127401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 01/17/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Competition and cooperation among orders is at the heart of many-body physics in strongly correlated materials and leads to their rich physical properties. It is crucial to investigate what impact many-body physics has on extreme nonlinear optical phenomena, with the possibility of controlling material properties by light. However, the effect of competing orders and electron-electron correlations on highly nonlinear optical phenomena has not yet been experimentally clarified. Here, we investigated high-order harmonic generation from the Mott-insulating phase of Ca_{2}RuO_{4}. Changing the gap energy in Ca_{2}RuO_{4} as a function of temperature, we observed a strong enhancement of high order harmonic generation at 50 K, increasing up to several hundred times compared to room temperature. We discovered that this enhancement can be well reproduced by an empirical scaling law that depends only on the material gap energy and photon emission energy. Such a scaling law can hardly be explained by the electronic structure change in the single particle model and has not been predicted by previous theoretical studies on HHG in the simple Mott-Hubbard model. Our results suggest that the highly nonlinear optical response of strongly correlated materials is influenced by competition among the multiple degrees of freedom and electron-electron correlations.
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Affiliation(s)
- K Uchida
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto, Kyoto 606-8502, Japan
| | - G Mattoni
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto, Kyoto 606-8502, Japan
| | - S Yonezawa
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto, Kyoto 606-8502, Japan
| | - F Nakamura
- Department of Education and Creation Engineering, Kurume Institute of Technology, Kurume, Fukuoka 830-0052, Japan
| | - Y Maeno
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto, Kyoto 606-8502, Japan
| | - K Tanaka
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto, Kyoto 606-8502, Japan
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Kobayashi M, Tanaka K, Ida K, Hayashi Y, Takemura Y, Kinoshita T. Turbulence Spreading into an Edge Stochastic Magnetic Layer Induced by Magnetic Fluctuation and Its Impact on Divertor Heat Load. Phys Rev Lett 2022; 128:125001. [PMID: 35394307 DOI: 10.1103/physrevlett.128.125001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 12/20/2021] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
Turbulence spreading into the edge stochastic magnetic layer induced by magnetic fluctuation is observed at the sharp boundary region in the large helical device. The density fluctuation excited at the sharp boundary region with a large pressure gradient does not propagate into the boundary region due to the blocking of turbulence spreading by the large second derivative of the pressure gradient. Once the magnetic fluctuation appears at the boundary, the density fluctuation begins to penetrate the edge stochastic layer and the second derivative of the pressure gradient also decreases. The increase of density fluctuation in this layer results in the broadening and reduction of the peak divertor heat load. It is demonstrated that magnetic fluctuation plays a key role in controlling the turbulence spreading at the boundary of plasma which contributes to the reduction of divertor heat load.
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Affiliation(s)
- M Kobayashi
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan
- National Institute for Fusion Science, SOKENDAI, The Graduate University for Advanced Studies, Toki, Gifu 509-5292, Japan
| | - K Tanaka
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
| | - K Ida
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan
- National Institute for Fusion Science, SOKENDAI, The Graduate University for Advanced Studies, Toki, Gifu 509-5292, Japan
| | - Y Hayashi
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan
| | - Y Takemura
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan
| | - T Kinoshita
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
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Luchian ML, Motoc AI, Lochy S, Belsack D, Boeckstaens S, Geers J, Tanaka K, Scheirlynck E, De Mey J, Allard S, Magne J, Roosens B, Weytjens C, Cosyns B, Droogmans S. Epicardial adipose tissue thickness in COVID-19 hospitalized patients: a tool for risk stratification. Eur Heart J Cardiovasc Imaging 2022. [DOI: 10.1093/ehjci/jeab289.444] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Coronavirus Disease 2019 (COVID-19) impacted public health systems,overwhelming the intensive care units(ICU)(1).Epicardial adipose tissue (EAT) thickness is a potential novel parameter, which can be assessed using standard computer tomography(CT) for the prediction of worse prognosis in COVID-19(2,3).
Purpose
We aimed to investigate the association of right ventricle (RV)-EAT thickness with the need for invasive mechanical ventilation,vasopressor support or ICU admission and in-hospital mortality in COVID-19.
Methods
We analyzed 310 consecutive hospitalized patients with confirmed COVID–19 by RT-PCR, between March and April 2020.EAT thickness was assessed during the acute setting of the disease using low dose non-contrast chest CT.Maximal EAT thickness was determined on axial image series at the level of the RV free wall perpendicular to the surface of the heart(Figure 1).Intra- and interobserver reproducibility for the RV-EAT thickness measurement was assessed in 20 random patients after two weeks,by the primary and a second investigator.Data included demographics,clinical evaluation,comorbidities,treatment and complications.Peak lactate dehydrogenase (LDH), neutrophil-lymphocyte ratio (NLR) and C-reactive protein (CRP) were defined as the highest level during hospitalization.The primary combined endpoint was ICU admission,invasive mechanical ventilation and vasopressor therapy.The secondary outcome was in-hospital mortality.
Results
Median age was 64 years (interquartile range:53 to 79 years,58.1% males).106(34.2%) patients reached the primary endpoint.In-hospital mortality rate was 19.5% (59 patients).Among patients with combined endpoint,the mortality rate was 35.8% (38 patients).RV-EAT thickness was higher in patients with combined endpoint (5.0 ±2.6 mm versus 4.3 ± 2.2 mm, p = 0.021).Additionally, patients with the composite endpoint had more diabetes mellitus (p = 0.028) and history of coronary artery disease (p = 0.020).Multivariable analysis showed that RV-EAT thickness predicted the primary endpoint,irrespective of risk factors and disease severity (p = 0.014,OR 1.157,95%CI 1.030-1.300; p = 0.031,OR 1.146,95%CI 1.013-1.298,respectively)(Figure 2).Moreover, peak CRP and peak LDH were associated with both endpoints(Figure 2).However, RV-EAT thickness was not predictive for mortality (p = 0.561, OR 1.039, 95%CI 0.913-1.183).
Intraobserver and interobserver reproducibility were good
0.88 (95%CI 0.66-0.95) and 0.86 (95%CI 0.65-0.94).
Conclusion
RV-EAT thickness,easily and rapidly assessed by standard low dose non-contrast chest CT was associated with higher incidence of ICU admission, need for mechanical ventilation and vasopressor support in hospitalized COVID-19 patients.Although no independent association between RV-EAT and in-hospital mortality was found, RV-EAT thickness may serve as surrogate marker of severity, before the rise of inflammatory biomarkers and may reflect inflammation changes within the myocardium in COVID-19. Abstract Figure 1. Examples of right ventricle ep Abstract Figure 2. Predictors of invasive mechani
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Affiliation(s)
- ML Luchian
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - AI Motoc
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - S Lochy
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - D Belsack
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - S Boeckstaens
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - J Geers
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - K Tanaka
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - E Scheirlynck
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - J De Mey
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - S Allard
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - J Magne
- Dupuytren University Hospital Centre Limoges, Limoges, France
| | - B Roosens
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - C Weytjens
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - B Cosyns
- University Hospital (UZ) Brussels, Brussels, Belgium
| | - S Droogmans
- University Hospital (UZ) Brussels, Brussels, Belgium
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Tanaka K, Tsuji K, Matsui T, Kang JH, Sakurai Y, Kodama Y, Minami R, Watanabe K, Katanuma A. Potential of PALBI-T score as a prognostic model for hepatocellular carcinoma in alcoholic liver disease. JGH Open 2022; 6:36-43. [PMID: 35071786 PMCID: PMC8762626 DOI: 10.1002/jgh3.12705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/13/2021] [Accepted: 12/25/2021] [Indexed: 11/20/2022]
Abstract
Background and Aim With the control of viral hepatitis, alcoholic hepatocellular carcinoma (HCC) is becoming increasingly important in Japan. In alcoholic cirrhosis, the impact of portal hypertension is significant. Thus, it may be difficult to predict prognosis accurately with the reported prognostic scores. Here we propose the platelet‐albumin‐bilirubin tumor nodes metastasis (TNM) score (PALBI‐T score) as a prognostic model for HCC in alcoholic liver disease, and investigate its usefulness. The PALBI‐T score is an integrated score based on the TNM stage and PALBI grade including platelets, reflecting portal hypertension. Methods This study included 163 patients with alcoholic HCC treated at our Center from 1997 to 2018. We compared the prognostic prediction abilities of the Japan Integrated Staging (JIS) score, ALBI‐T score, and PALBI‐T score. The PALBI‐T score was calculated similarly to the JIS and ALBI‐T scores. Areas under the receiver operating characteristic curve (AUC) were calculated for predicting overall survival (OS). Results In predicting the 1‐year survival, the JIS score had a larger AUC (AUC = 0.925) than the ALBI‐T score (AUC = 0.895) and PALBI‐T score (AUC = 0.891). On the other hand, there was no significant difference in predicting OS among the integrated scores. The PALBI‐T score (AUC = 0.740) had the largest AUC, and the JIS score (AUC = 0.729) and ALBI‐T score (AUC = 0.717) were not significantly different from the PALBI grade (AUC = 0.634). The PALBI grade reflected the degree of portal hypertension. Conclusion In patients with alcoholic HCC, the Japan Integrated Staging score is useful for predicting short‐term prognosis. The PALBI‐T score, which reflects portal hypertension, appears to be a more valid prognostic score for predicting long‐term prognosis.
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Affiliation(s)
- Kazunari Tanaka
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Kunihiko Tsuji
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Takeshi Matsui
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Jong-Hon Kang
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Yasuo Sakurai
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Yoshihisa Kodama
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Ryosuke Minami
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Kiichi Watanabe
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
| | - Akio Katanuma
- Center for Gastroenterology Teine Keijinkai Hospital Sapporo Japan
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39
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Shimada R, Yamasaki M, Tanaka K, Makino T, Doki Y, Umeshita K. Changes in the quality of life score following preoperative chemotherapy in elderly patients with esophageal cancer. Esophagus 2022; 19:113-119. [PMID: 34273018 DOI: 10.1007/s10388-021-00862-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 07/11/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Various functions in elderly patients with esophageal cancer deteriorate easily and their quality of life can be adversely affected by treatment. The age groups covered in previous studies are wide, and the impact on the elderly individuals is unknown. This study examined changes in quality of life scores after preoperative chemotherapy to clarify aspects of physical, psychological, and social quality of life in elderly patients with esophageal cancer. METHODS Thirty-six patients aged over 65 years, who were scheduled to undergo preoperative chemotherapy for esophageal cancer surgery, were enrolled. The survey questionnaire comprised the EORTC QLQ-C30 Japanese Language Version, EORTC QLQ-OES 18 Japanese Language Version, and G8. The surveys were conducted before chemotherapy (pre-CT) and after chemotherapy (post-CT). RESULTS In the functional scale of QLQ-C 30, physical functioning decreased significantly, while emotional functioning increased significantly post-CT (p = 0.021, p = 0.030, respectively). Global health status was not changed. In QLQ-OES18, the mean symptom scale score decreased significantly for dysphagia, trouble swallowing saliva, choking, eating, reflux, and pain post-CT (p = 0.014, p = 0.034, p = 0.033, p = 0.022, p = 0.026, p = 0.016, respectively). The mean G8 score decreased significantly from 11.7 to 10.7 (p = 0.022) post-CT, but the proportion of patients with dysfunction decreased. CONCLUSIONS Quality of life scores of elderly patients with esophageal cancer who received preoperative chemotherapy decreased in terms of physical function but improved in terms of esophageal cancer symptoms and mental function. Our results suggest that alleviation of symptoms contributed to the improvements in mental health.
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Affiliation(s)
- R Shimada
- Faculty of Health and Medical Sciences, Kyoto University of Advanced Science, 18 Gotanda-cho, Yamanouchi, Ukyo-ku, Kyoto, 615-8577, Japan.
| | - M Yamasaki
- Department of Surgery, Kansai Medical University, Osaka, Japan
| | - K Tanaka
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan
| | - T Makino
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Y Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan
| | - K Umeshita
- Osaka International Cancer Institute, Osaka, Japan
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40
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Matsumoto K, Ohfuji S, Abe M, Komori A, Takahashi A, Fujii H, Kawata K, Noritake H, Tadokoro T, Honda A, Asami M, Namisaki T, Ueno M, Sato K, Kakisaka K, Arakawa M, Ito T, Tanaka K, Matsui T, Setsu T, Takamura M, Yasuda S, Katsumi T, Itakura J, Sano T, Tamura Y, Miura R, Arizumi T, Asaoka Y, Uno K, Nishitani A, Ueno Y, Terai S, Takikawa Y, Morimoto Y, Yoshiji H, Mochida S, Ikegami T, Masaki T, Kawada N, Ohira H, Tanaka A. Environmental factors, medical and family history, and comorbidities associated with primary biliary cholangitis in Japan: a multicenter case-control study. J Gastroenterol 2022; 57:19-29. [PMID: 34796398 DOI: 10.1007/s00535-021-01836-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 11/04/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND Primary biliary cholangitis (PBC) is considered to be caused by the interaction between genetic background and environmental triggers. Previous case-control studies have indicated the associations of environmental factors (tobacco smoking, a history of urinary tract infection, and hair dye) use with PBC. Therefore, we conducted a multicenter case-control study to identify the environmental factors associated with the development of PBC in Japan. METHODS From 21 participating centers in Japan, we prospectively enrolled 548 patients with PBC (male/female = 78/470, median age 66), and 548 age- and sex-matched controls. These participants completed a questionnaire comprising 121 items with respect to demographic, anthropometric, socioeconomic features, lifestyle, medical/familial history, and reproductive history in female individuals. The association was determined using conditional multivariate logistic regression analysis. RESULTS The identified factors were vault toilet at home in childhood [odds ratio (OR), 1.63; 95% confidence interval (CI), 1.01-2.62], unpaved roads around the house in childhood (OR, 1.43; 95% CI, 1.07-1.92), ever smoking (OR, 1.70; 95% CI, 1.28-2.25), and hair dye use (OR, 1.57; 95% CI, 1.15-2.14) in the model for lifestyle factors, and a history of any type of autoimmune disease (OR, 8.74; 95% CI, 3.99-19.13), a history of Cesarean section (OR, 0.20; 95% CI, 0.077-0.53), and presence of PBC in first-degree relatives (OR, 21.1; 95% CI, 6.52-68.0) in the model for medical and familial factors. CONCLUSIONS These results suggest that poor environmental hygiene in childhood (vault toilets and unpaved roads) and chronic exposure to chemicals (smoking and hair dye use) are likely to be risk factors for the development of PBC in Japan.
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Affiliation(s)
- Kosuke Matsumoto
- Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, Japan.
| | - Satoko Ohfuji
- Department of Public Health, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Masanori Abe
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Atsumasa Komori
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Nagasaki, Japan
| | - Atsushi Takahashi
- Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Hideki Fujii
- Department of Premier Preventive Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan.,Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Kazuhito Kawata
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Hidenao Noritake
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Tomoko Tadokoro
- Department of Gastroenterology and Neurology, Kagawa University School of Medicine, Kagawa, Japan
| | - Akira Honda
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tokyo Medical University Ibaraki Medical Center, Ibaraki, Japan
| | - Maiko Asami
- Department of Gastroenterology and Hepatology, Faculty of Medicine, Saitama Medical University, Saitama, Japan
| | - Tadashi Namisaki
- Department of Gastroenterology, Nara Medical University, Nara, Japan
| | - Masayuki Ueno
- Department of Gastroenterology and Hepatology, Kurashiki Central Hospital, Okayama, Japan.,Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ken Sato
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Keisuke Kakisaka
- Division of Hepatology, Department of Internal Medicine, Iwate Medical University, Iwate, Japan
| | - Mie Arakawa
- Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan
| | - Takanori Ito
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Kazunari Tanaka
- Center for Gastroenterology, Teine-Keijinkai Hospital, Hokkaido, Japan
| | - Takeshi Matsui
- Center for Gastroenterology, Teine-Keijinkai Hospital, Hokkaido, Japan
| | - Toru Setsu
- Division of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Masaaki Takamura
- Division of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Satoshi Yasuda
- Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Gifu, Japan
| | - Tomohiro Katsumi
- Department of Gastroenterology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Jun Itakura
- Department of Gastroenterology and Hepatology, Musashino Red Cross Hospital, Tokyo, Japan
| | - Tomoya Sano
- Division of Gastroenterology, Department of Internal Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Yamato Tamura
- Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, Japan
| | - Ryo Miura
- Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, Japan
| | - Toshihiko Arizumi
- Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, Japan
| | - Yoshinari Asaoka
- Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, Japan
| | - Kiyoko Uno
- Teikyo Academic Research Center, Teikyo University, Tokyo, Japan
| | - Ai Nishitani
- Teikyo Academic Research Center, Teikyo University, Tokyo, Japan
| | - Yoshiyuki Ueno
- Department of Gastroenterology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Shuji Terai
- Division of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yasuhiro Takikawa
- Division of Hepatology, Department of Internal Medicine, Iwate Medical University, Iwate, Japan
| | - Youichi Morimoto
- Department of Gastroenterology and Hepatology, Kurashiki Central Hospital, Okayama, Japan
| | - Hitoshi Yoshiji
- Department of Gastroenterology, Nara Medical University, Nara, Japan
| | - Satoshi Mochida
- Department of Gastroenterology and Hepatology, Faculty of Medicine, Saitama Medical University, Saitama, Japan
| | - Tadashi Ikegami
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tokyo Medical University Ibaraki Medical Center, Ibaraki, Japan
| | - Tsutomu Masaki
- Department of Gastroenterology and Neurology, Kagawa University School of Medicine, Kagawa, Japan
| | - Norifumi Kawada
- Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Hiromasa Ohira
- Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Atsushi Tanaka
- Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, Japan
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Yamane N, Ikeda A, Tomooka K, Saito I, Maruyama K, Eguchi E, Suyama K, Fujii A, Shiba T, Tanaka K, Kooka A, Nakamura S, Kajita M, Kawamura R, Takata Y, Osawa H, Steptoe A, Tanigawa T. Salivary Alpha-Amylase Activity and Mild Cognitive Impairment among Japanese Older Adults: The Toon Health Study. J Prev Alzheimers Dis 2022; 9:752-757. [PMID: 36281680 DOI: 10.14283/jpad.2022.51] [Citation(s) in RCA: 2] [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] [Indexed: 06/16/2023]
Abstract
BACKGROUND There is growing interest in examining objective markers for early identification and behavioral intervention to prevent dementia and mild cognitive impairment in clinical and community settings. OBJECTIVE To investigate the association between salivary alpha-amylase as an objective measure of psychological stress response and mild cognitive impairment for the implication of psychological stress in the development of mild cognitive impairment. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study involved 865 participants aged ≥ 65 years. A saliva sample was collected in the morning, and the levels of salivary alpha-amylase were assayed. Mild cognitive impairment was evaluated using the Japanese version of the Montreal Cognitive Assessment; a score < 26 was indicative of mild cognitive impairment. A multivariable logistic regression model was used to examine the association of salivary alpha-amylase and mild cognitive impairment after adjusting for age, sex, current drinking status, current smoking status, body mass index, hypertension, diabetes mellitus, physical activity, education, social support, social network, and heart rate variability. RESULTS Salivary alpha-amylase was associated with mild cognitive impairment (the multivariable-adjusted odds ratio [95% confidence interval] for the 1-standard deviation increment of log-transformed salivary alpha-amylase was 1.24 [1.07-1.44]). This significant association persisted after adjusting for various confounding factors. CONCLUSION Elevation of salivary alpha-amylase was associated with mild cognitive impairment among Japanese community-dwelling older adults. This suggests that salivary alpha-amylase is a useful objective marker of psychological stress responses associated with mild cognitive impairment.
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Affiliation(s)
- N Yamane
- Takeshi Tanigawa, MD, PhD, Department of Public Health, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. Phone: +81 (3) 5802-1049 Fax: +81 (3) 3814-0305,
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Takada K, Takamori S, Shimokawa M, Toyokawa G, Shimamatsu S, Hirai F, Tagawa T, Okamoto T, Hamatake M, Tsuchiya-Kawano Y, Otsubo K, Inoue K, Yoneshima Y, Tanaka K, Okamoto I, Nakanishi Y, Mori M. Assessment of the albumin-bilirubin grade as a prognostic factor in patients with non-small-cell lung cancer receiving anti-PD-1-based therapy. ESMO Open 2021; 7:100348. [PMID: 34942439 PMCID: PMC8695291 DOI: 10.1016/j.esmoop.2021.100348] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [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: 04/18/2021] [Revised: 09/28/2021] [Accepted: 11/20/2021] [Indexed: 02/08/2023] Open
Abstract
Introduction The albumin-bilirubin (ALBI) grade is a novel indicator of the liver function. Some studies showed that the ALBI grade was a prognostic and predictive biomarker for the efficacy of chemotherapy in cancer patients. The association between the ALBI grade and outcomes in patients with non-small-cell lung cancer (NSCLC) treated with cancer immunotherapy, however, is poorly understood. Methods We retrospectively enrolled 452 patients with advanced or recurrent NSCLC who received anti-programmed cell death protein 1 (PD-1)-based therapy between 2016 and 2019 at three medical centers in Japan. The ALBI score was calculated from albumin and bilirubin measured at the time of treatment initiation and was stratified into three categories, ALBI grade 1-3, with reference to previous reports. We examined the clinical impact of the ALBI grade on the outcomes of NSCLC patients receiving anti-PD-1-based therapy using Kaplan–Meier survival curve analysis with log-rank test and Cox proportional hazards regression analysis. Results The classifications of the 452 patients were as follows: grade 1, n = 158 (35.0%); grade 2, n = 271 (60.0%); and grade 3, n = 23 (5.0%). Kaplan–Meier survival curve analysis showed that the ALBI grade was significantly associated with progression-free survival and overall survival. Moreover, Cox regression analysis revealed that the ALBI grade was an independent prognostic factor for progression-free survival and overall survival. Conclusion The ALBI grade was an independent prognostic factor for survival in patients with advanced or recurrent NSCLC who receive anti-PD-1-based therapy. These findings should be validated in a prospective study with a larger sample size. ALBI grade is calculated from albumin and bilirubin. We evaluated the impact of ALBI grade on survival in NSCLC patients receiving immune checkpoint inhibitors. ALBI grade was an independent prognostic factor for progression-free survival (PFS) and overall survival (OS). ALBI grade effectively stratified PFS and OS in patients with performance status 1-3. ALBI grade was significantly associated with PFS and OS, regardless of programmed death ligand-1.
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Affiliation(s)
- K Takada
- Department of Thoracic Surgery, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan.
| | - S Takamori
- Department of Thoracic Oncology, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan.
| | - M Shimokawa
- Department of Biostatistics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan; Clinical Research Institute, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan
| | - G Toyokawa
- Department of Thoracic Surgery, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - S Shimamatsu
- Department of Thoracic Surgery, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - F Hirai
- Department of Thoracic Surgery, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - T Tagawa
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - T Okamoto
- Department of Thoracic Oncology, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan
| | - M Hamatake
- Department of Thoracic Surgery, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - Y Tsuchiya-Kawano
- Department of Respiratory Medicine, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - K Otsubo
- Department of Respiratory Medicine, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - K Inoue
- Department of Respiratory Medicine, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - Y Yoneshima
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - K Tanaka
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - I Okamoto
- Research Institute for Diseases of the Chest, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Y Nakanishi
- Department of Respiratory Medicine, Kitakyushu Municipal Medical Center, Kitakyushu, Fukuoka, Japan
| | - M Mori
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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43
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Warmer F, Tanaka K, Xanthopoulos P, Nunami M, Nakata M, Beidler CD, Bozhenkov SA, Beurskens MNA, Brunner KJ, Ford OP, Fuchert G, Funaba H, Geiger J, Gradic D, Ida K, Igami H, Kubo S, Langenberg A, Laqua HP, Lazerson S, Morisaki T, Osakabe M, Pablant N, Pasch E, Peterson B, Satake S, Seki R, Shimozuma T, Smith HM, Stange T, Stechow AV, Sugama H, Suzuki Y, Takahashi H, Tokuzawa T, Tsujimura T, Turkin Y, Wolf RC, Yamada I, Yanai R, Yasuhara R, Yokoyama M, Yoshimura Y, Yoshinuma M, Zhang D. Impact of Magnetic Field Configuration on Heat Transport in Stellarators and Heliotrons. Phys Rev Lett 2021; 127:225001. [PMID: 34889640 DOI: 10.1103/physrevlett.127.225001] [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: 03/31/2021] [Revised: 07/30/2021] [Accepted: 09/20/2021] [Indexed: 06/13/2023]
Abstract
We assess the magnetic field configuration in modern fusion devices by comparing experiments with the same heating power, between a stellarator and a heliotron. The key role of turbulence is evident in the optimized stellarator, while neoclassical processes largely determine the transport in the heliotron device. Gyrokinetic simulations elucidate the underlying mechanisms promoting stronger ion scale turbulence in the stellarator. Similar plasma performances in these experiments suggests that neoclassical and turbulent transport should both be optimized in next step reactor designs.
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Affiliation(s)
- Felix Warmer
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - K Tanaka
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- Kyushu University, Interdisciplinary Graduate School of Engineering Sciences, Plasma and Quantum Science and Engineering, Kasuga, Fukuoka 816-8580, Japan
| | - P Xanthopoulos
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - M Nunami
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
- Nagoya University, Graduate School of Science, Nagoya 464-8603, Japan
| | - M Nakata
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - C D Beidler
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - S A Bozhenkov
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - M N A Beurskens
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - K J Brunner
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - O P Ford
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - G Fuchert
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - H Funaba
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - J Geiger
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - D Gradic
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - K Ida
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - H Igami
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - S Kubo
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- Nagoya University, Graduate School of Science, Nagoya 464-8603, Japan
| | - A Langenberg
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - H P Laqua
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - S Lazerson
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - T Morisaki
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - M Osakabe
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - N Pablant
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - E Pasch
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - B Peterson
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - S Satake
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - R Seki
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - T Shimozuma
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - H M Smith
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - T Stange
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - A V Stechow
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - H Sugama
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - Y Suzuki
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - H Takahashi
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - T Tokuzawa
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - T Tsujimura
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - Y Turkin
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - R C Wolf
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
| | - I Yamada
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - R Yanai
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - R Yasuhara
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - M Yokoyama
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - Y Yoshimura
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
| | - M Yoshinuma
- National Institute for Fusion Science, National Institutes on Natural Sciences, Toki, 509-5292, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Toki, Gifu 509-5292, Japan
| | - D Zhang
- Max-Planck-Institut für Plasmaphysik, Wendelsteinstrasse 1, 17491 Greifswald, Germany
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Ideta S, Johnston S, Yoshida T, Tanaka K, Mori M, Anzai H, Ino A, Arita M, Namatame H, Taniguchi M, Ishida S, Takashima K, Kojima KM, Devereaux TP, Uchida S, Fujimori A. Hybridization of Bogoliubov Quasiparticles between Adjacent CuO_{2} Layers in the Triple-Layer Cuprate Bi_{2}Sr_{2}Ca_{2}Cu_{3}O_{10+δ} Studied by Angle-Resolved Photoemission Spectroscopy. Phys Rev Lett 2021; 127:217004. [PMID: 34860085 DOI: 10.1103/physrevlett.127.217004] [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: 11/10/2020] [Revised: 07/08/2021] [Accepted: 10/20/2021] [Indexed: 06/13/2023]
Abstract
Hybridization of Bogoliubov quasiparticles (BQPs) between the CuO_{2} layers in the triple-layer cuprate high-temperature superconductor Bi_{2}Sr_{2}Cu_{2}Cu_{3}O_{10+δ} is studied by angle-resolved photoemission spectroscopy (ARPES). In the superconducting state, an anticrossing gap opens between the outer- and inner-BQP bands, which we attribute primarily to interlayer single-particle hopping with possible contributions from interlayer Cooper pairing. We find that the d-wave superconducting gap of both BQP bands smoothly develops with momentum without an abrupt jump in contrast to a previous ARPES study. Hybridization between the BQPs also gradually increases in going from the off nodal to the antinodal region, which is explained by the momentum dependence of the interlayer single-particle hopping. As possible mechanisms for the enhancement of the superconducting transition temperature, the hybridization between the BQPs as well as the combination of phonon modes of the triple CuO_{2} layers and spin fluctuations represented by a four-well model are discussed.
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Affiliation(s)
- S Ideta
- Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- UVSOR-III Synchrotron, Institute for Molecular Science, Okazaki 444-8585, Japan
| | - S Johnston
- Department of Physics and Astronomy, The University of Tennessee, Knoxville, Tennessee 37996, USA
| | - T Yoshida
- Department of Human and Environmental studies, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - K Tanaka
- UVSOR-III Synchrotron, Institute for Molecular Science, Okazaki 444-8585, Japan
| | - M Mori
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan
| | - H Anzai
- Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan
- Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - A Ino
- Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
- Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-0046, Japan
- Department of Education and Creation Engineering, Kurume Institute of Technology, Fukuoka 2286-66, Japan
| | - M Arita
- Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-0046, Japan
| | - H Namatame
- Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-0046, Japan
| | - M Taniguchi
- Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
- Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-0046, Japan
| | - S Ishida
- Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
| | - K Takashima
- Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - K M Kojima
- Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- J-PARC Center and Institute of Materials Structure Science, KEK, Tsukuba, Ibaraki 305-0801, Japan
- Centre for Molecular and Materials Science, TRIUMF, 4004 Vancouver, Canada
| | - T P Devereaux
- Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA
- Stanford Institute for Materials and Energy Sciences, SLAC National Laboratory and Stanford University, Menlo Park, California 94025, USA
- Department of Materials Science and Engineering Stanford University, Stanford, California 94305, USA
| | - S Uchida
- Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
| | - A Fujimori
- Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- Department of Applied Physics, Waseda University, Shinjuku-ku, Tokyo 169-8555, Japan
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Tanaka K, Mitsui H, Shibagaki N, Ogawa Y, Deguchi N, Shimada S, Kawamura T. Two cases of acquired hypertrichosis lanuginosa: rare association with gastric cancer. J Eur Acad Dermatol Venereol 2021; 36:e306-e308. [PMID: 34741763 DOI: 10.1111/jdv.17791] [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: 09/09/2021] [Accepted: 09/30/2021] [Indexed: 11/30/2022]
Affiliation(s)
- K Tanaka
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan.,Department of Dermatology, Yamanashi Kosei Hospital, Yamanashi, Japan
| | - H Mitsui
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - N Shibagaki
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Y Ogawa
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - N Deguchi
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - S Shimada
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - T Kawamura
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
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Okada M, Tanaka N, Tanaka K, Hirao Y, Harada S, Onishi T, Koyama Y, Okamura A, Iwakura K, Fujii K, Inoue K. Association between myocardial wall thickness and left ventricular functional recovery after catheter ablation of atrial fibrillation in patients with reduced ejection fraction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0508] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Catheter ablation of atrial fibrillation (AFCA) is an effective treatment to develop left ventricular (LV) functional recovery. However, the degree of recovery differs between individuals due to the different extent of myocardial fibrosis and scarring.
Purpose
To examine whether pre-ablation LV wall thickness (WT) and its regional heterogeneity predict LV functional recovery after AFCA in patients with LV systolic dysfunction.
Methods
Of 3682 consecutive patients who underwent first-time AFCA between January 2012 and September 2020 in our institution, 174 (age, 63±10 years; male, 83%; ischemic cardiomyopathy, 14%) with a baseline LV ejection fraction (LVEF) of <40% were retrospectively evaluated. They were subjected to 256-slice MDCT scanning at baseline and 3 months after AFCA. Baseline WT was evaluated by 16-segment model. Mean and standard deviation (SD) of 16 regional WT were calculated in both end-systolic and end-diastolic phase.
Results
LVEF significantly improved from 30±7% to 57±17% (p<0.001) after AFCA. Increase in LVEF (delta-LVEF) was positively correlated with baseline end-diastolic WT (r=0.31, p<0.001) and negatively correlated with SD of end-systolic WT (r=−0.21, p=0.007). Independent of WT measurements, delta-LVEF was negatively correlated with LV end-diastolic volume (r=−0.42, p<0.001). We created a scoring system to predict the degree of wall motion recovery using the median value of the 3 variables; assigned 1 point each for end-diastolic WT >7.4mm, SD of end-systolic WT <1.61mm, and LV end-diastolic volume <125ml. The model successfully predicted improvement in LVEF after AFCA (0 point (N=13) vs. 1 point (N=72) vs. 2–3 point (N=89), 11±16% vs. 20±17% vs. 33±12%, p<0.001).
Conclusion
Myocardial WT and its regional heterogeneity as well as LV end-diastolic volume predicted functional recovery after AFCA in patients with reduced LVEF.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M Okada
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - S Harada
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - T Onishi
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Fujii
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Inoue
- Sakurabashi-Watanabe Hospital, Osaka, Japan
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Tsugu T, Tanaka K, Belsack D, Devos H, Nagatomo Y, Michiels V, Argacha JF, Cosyns B, Buls N, De Mey J. Effects of left ventricular mass index on computed tomography derived fractional flow reserve in significant obstructive coronary artery disease. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0191] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
In significant obstructive coronary artery disease (SOCAD), a mismatched assessment of the severity of coronary artery stenosis may occur between invasive coronary angiography and computed tomography (CT) derived fractional flow reserve (FFRCT). The exact mechanisms of unexpected underestimation of FFRCT remain unknown.
Purpose
The aims of this study are (1) to clarify the mechanisms of underestimation on FFRCT; and (2) to identify the predictive factors of FFRCT underestimation above the value of 0.80 in SOCAD vessels.
Methods
A total of 1160 outpatients who underwent CT angiography (CTA) with FFRCT analysis for suspected coronary artery disease (CAD) between January 2017 and June 2020 were evaluated. Among them, 141 consecutive patients who had both CTA coupled to FFRCT analysis and invasive angiogram showing >75% coronary stenosis were included for analysis. Vessels were divided into two groups according to FFRCT at the distal vessel: FFRCT >0.80 (n=12) and FFRCT ≤0.80 (n=153). Vessel-related parameters, including vessel morphology (vessel length and lumen volume) and plaque components (non-calcified plaque volume and calcified plaque volume) and left ventricular (LV) myocardial-related parameters, including LV wall thickness at each site of the myocardium, and LV mass were evaluated semi-automatically.
Results
Vessel morphology and plaque components did not differ between FFRCT >0.80 and ≤0.80, whereas LV wall thickness (average; 10.7±2.7 vs. 8.4±1.6 mm, and maximal; 13.5±3.0 vs. 10.6±1.8 mm, all p value <0.001), LV mass (136.4±38.4 vs. 98.8±26.8 g, p<0.001), and LV mass index (73.8±22.6 vs. 51.8±12.2 g/m2, p<0.001) were significantly higher in FFRCT >0.80. Next, we investigated the parameters that correlated with FFRCT. Of all, vessel morphology and plaque components were not related to FFRCT, whereas maximal LV wall thickness, r=0.24, p=0.01; LV mass, r=0.19. p=0.04; and LV mass index, r=0.30, p=0.001) correlated with FFRCT. In the vessels showing FFRCT >0.80, only LV mass (r=0.84, p=0.005) and LV mass index (r=0.67, p=0.047) correlated with FFRCT. (Figure 1). LV mass index was the strongest predictor of a distal FFRCT of >0.80 with the area under curve (AUC) 0.81, 95% CI 0.62 – 1.00, P<0.0001 and an optimal cut-off value of 66.5 g/m2 sensitivity 77.8%, specificity 89.6% (Figure 2).
Conclusions
FFRCT is affected not by vessel-related parameters but LV myocardial-related parameters in SOCAD. The presence of an excessive LV mass is a major predictor of underestimation of FFRCT in SOCAD vessels. LV myocardial-related parameters should be considered when interpreting numerical values of FFRCT to avoid the possibility of overlooked SOCAD.
Funding Acknowledgement
Type of funding sources: None. Figure 1Figure 2
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Affiliation(s)
- T Tsugu
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - K Tanaka
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - D Belsack
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - H Devos
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - Y Nagatomo
- National Defense Medical College Hospital, Department of Cardiology, Tokorozawa, Japan
| | - V Michiels
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten, Brussels, Belgium
| | - J F Argacha
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten, Brussels, Belgium
| | - B Cosyns
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten, Brussels, Belgium
| | - N Buls
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - J De Mey
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
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Tsugu T, Tanaka K, Belsack D, Devos H, Nagatomo Y, Michiels V, Argacha JF, Cosyns B, Buls N, De Mey J. Impact of vascular morphology and plaque characteristics on computed tomography derived fractional flow reserve in early stage coronary artery disease. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0190] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
FFRCT gradually decreases from the proximal to the distal part of a vessel and reach the pathological threshold for significant ischemia even in the absence of obstructive coronary artery disease (CAD). The exact mechanisms of such gradual FFRCT decline remain unknown.
Purpose
The aims of this study are (1) to clarify the mechanisms of the gradual decline of computed tomography (CT) derived fractional flow reserve (FFRCT); and (2) to identify the predictive factors of an FFRCT decline below the pathological value of 0.80 in no apparent CAD vessels.
Methods
A total of 1058 outpatients with suspected CAD and who underwent CT angiography (CTA) with FFRCT analysis between January 2017 and December 2019 were evaluated. Among them, 150 consecutive patients who had both a CTA coupled to an FFRCT analysis and an invasive angiogram showing <25% coronary stenosis were included for analysis. Vessels were divided into two groups according to FFRCT at the distal vessel: FFRCT >0.80 (n=317) and FFRCT ≤0.80 (n=114). ΔFFRCT was defined as the magnitude of the change in FFRCT from the proximal to the distal vessel. Plaque characterization and vessel morphology measurements were performed semi-automatically. Vessel constituents were characterized based on Hounsfield units (HU) into lumen volume (<−50 HU), non-calcified plaque (NCP) (−50–150 HU), and calcified plaque (>150 HU).
Results
FFRCT decreased continuously from the proximal to distal across the three major vessels in both FFRCT>0.80 and FFRCT ≤0.80 groups (Figure 1). Compared to FFRCT>0.80 group, NCP volume was significantly higher in all three major vessels in FFRCT ≤0.80 group (210.2±83.6 mm3 vs. 140.9±139.3 mm3 for the RCA, p=0.01; 177.5±150.2 mm3 vs. 133.2±112.2 mm3 for the LAD, p=0.04; 127.6±91.5 mm3 vs. 58.7±57.7 mm3 for the LCX, p<0.01). Next, we investigated the vessel parameters that correlated with ΔFFRCT. ΔFFRCT was correlated with lumen volume in FFRCT>0.80 group (r=−0.24, p<0.0001), whereas ΔFFRCT was correlated with NCP volume in FFRCT ≤0.80 group (r=0.42, p<0.001) (Figure 2). An NCP volume above 44.8 mm3 was the strongest predictor of distal FFRCT of ≤0.80 (area under the curve 0.69, p<0.0001, sensitivity 95%, specificity 39%).
Conclusions
FFRCT is affected by vascular morphology and plaque characteristics even in the early stage of coronary artery disease. Our study highlights that subclinical coronary artery disease strongly influences FFRCT by effects unrelated to coronary stenosis. The presence of NCP is a major predictor of the gradual decrease of FFRCT toward pathological values. Anatomical findings as vessel morphology and plaque characteristics should be taken into consideration when interpreting numerical values of FFRCT to avoid unnecessary referrals for invasive coronary angiography or percutaneous coronary intervention.
Funding Acknowledgement
Type of funding sources: None. Figure 1Figure 2
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Affiliation(s)
- T Tsugu
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - K Tanaka
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - D Belsack
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - H Devos
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - Y Nagatomo
- National Defense Medical College Hospital, Department of Cardiology, Tokorozawa, Japan
| | - V Michiels
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten, Brussels, Belgium
| | - J F Argacha
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten, Brussels, Belgium
| | - B Cosyns
- Universitair Ziekenhuis Brussel, Cardiology, Centrum voor Hart- en Vaatziekten, Brussels, Belgium
| | - N Buls
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
| | - J De Mey
- Universitair Ziekenhuis Brussel, Department of Radiology, Brussels, Belgium
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Hagino H, Tanaka K, Silverman S, McClung M, Gandra SR, Charokopou M, Adachi K, Johnson B, Stollenwerk B. Cost effectiveness of romosozumab versus teriparatide for severe postmenopausal osteoporosis in Japan. Osteoporos Int 2021; 32:2011-2021. [PMID: 33772328 DOI: 10.1007/s00198-021-05927-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/15/2021] [Indexed: 12/19/2022]
Abstract
UNLABELLED This study assessed the cost effectiveness of romosozumab versus teriparatide, both sequenced to alendronate, for the treatment of severe postmenopausal osteoporosis in Japan, using bone mineral density (BMD) efficacy data. Results show that romosozumab/alendronate produces greater health benefits at a lower cost than teriparatide/alendronate. INTRODUCTION This study aims to assess the cost effectiveness of romosozumab versus teriparatide, both sequenced to alendronate, for the treatment of severe postmenopausal osteoporosis in Japanese women previously treated with bisphosphonates. METHODS A Markov model was used to assess the relative cost effectiveness of 1 year of romosozumab versus 2 years of teriparatide, both sequenced to alendronate for a total treatment duration of 5 years. Outcomes for a cohort of women with a mean age of 78 years, a T-score ≤-2.5 and a previous fragility fracture were simulated over a lifetime horizon. The analysis was conducted from the perspective of the Japanese healthcare system and used a discount rate of 2% per annum. To inform relative fracture incidence, the bone mineral density (BMD) advantage of romosozumab over teriparatide was translated into relative risks of fracture, using relationships provided by a meta-regression of osteoporosis therapy trials. Outcomes were assessed in terms of lifetime costs (2020 US dollars) and quality-adjusted life years (QALYs). RESULTS Base case results showed that, compared with teriparatide/alendronate, romosozumab/alendronate reduced costs by $5134 per patient and yielded 0.045 additional QALYs. Scenario analyses and probabilistic sensitivity analysis confirmed that results are robust to uncertainty in model assumptions and inputs. CONCLUSION Results show that romosozumab/alendronate produces greater health benefits at a lower total cost than teriparatide/alendronate.
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Affiliation(s)
- H Hagino
- Tottori University, Tottori, Japan
| | - K Tanaka
- Kobe Gakuin University, Kobe, Japan
| | | | - M McClung
- Oregon Osteoporosis Center, Portland, OR, USA
- Mary McKillop Center for Health Research, Australian Catholic University, Melbourne, Australia
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Inoue H, Tsutsumi H, Tanaka K, Iwama E, Yoneshima Y, Shiraishi Y, Ota K, Nakanishi Y, Okamoto I. P12.02 Systemic Anticancer Therapy Upregulate Plasma Levels of Damage-Associated Molecular Patterns in Patients With Advanced Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.324] [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: 11/28/2022]
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