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Nawata T, Honda T, Sakai H, Tsuji S, Otsuka M, Uchinoumi H, Kobayashi S, Yamamoto T, Asagiri M, Yano M. Dantrolene, a ryanodine receptor stabilizer, is a candidate immunomodulator for treating rheumatic disease. Scand J Rheumatol 2024; 53:217-219. [PMID: 38293969 DOI: 10.1080/03009742.2023.2297519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 12/18/2023] [Indexed: 02/01/2024]
Affiliation(s)
- T Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - T Honda
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - H Sakai
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - S Tsuji
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - M Otsuka
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - H Uchinoumi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - S Kobayashi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - T Yamamoto
- Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - M Asagiri
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - M Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Matsushita K, Harada K, Kohno T, Nakano H, Kitano D, Matsuda J, Takei M, Yoshino H, Yamamoto T, Nagao K, Takayama M. Prevalence and clinical characteristics of diabetic cardiomyopathy in patients with acute heart failure. Nutr Metab Cardiovasc Dis 2024; 34:1325-1333. [PMID: 38218713 DOI: 10.1016/j.numecd.2023.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 12/02/2023] [Accepted: 12/15/2023] [Indexed: 01/15/2024]
Abstract
BACKGROUND AND AIMS Diabetic cardiomyopathy refers to cases of diabetes mellitus (DM) complicated by cardiac dysfunction in the absence of cardiovascular disease and hypertension. Its epidemiology remains unclear due to the high rate of coexistence between DM and hypertension. Therefore, this study aimed to examine the prevalence and clinical characteristics of diabetic cardiomyopathy among patients with acute heart failure (HF). METHODS AND RESULTS This multicenter, retrospective study included 17,614 consecutive patients with acute HF. DM-related HF was defined as HF complicating DM without known manifestations of coronary artery disease, significant valvular heart disease, or congenital heart disease, while diabetic cardiomyopathy was defined as DM-related HF without hypertension. Univariable and multivariable logistic regression analyses were performed to identify factors associated with in-hospital mortality. Diabetic cardiomyopathy prevalence was 1.6 % in the entire cohort, 5.2 % in patients with acute HF complicating DM, and 10 % in patients with DM-related HF. Clinical characteristics, including the presence of comorbidities, laboratory data on admission, and factors associated with in-hospital mortality, significantly differed between the diabetic cardiomyopathy group and the DM-related HF with hypertension group. The in-hospital mortality rate was significantly higher in patients with diabetic cardiomyopathy than in patients with DM-related HF with hypertension (7.7 % vs. 2.8 %, respectively; P < 0.001). CONCLUSION The prevalence of diabetic cardiomyopathy was 1.6 % in patients with acute HF, and patients with diabetic cardiomyopathy were at high risk for in-hospital mortality. The clinical characteristics of patients with diabetic cardiomyopathy were significantly different than those of patients with DM-related HF with hypertension.
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Affiliation(s)
| | | | - Takashi Kohno
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Hiroki Nakano
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | - Junya Matsuda
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Makoto Takei
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | | | - Ken Nagao
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
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Wakiya T, Ishido K, Kimura N, Nagase H, Kanda T, Kubota S, Fujita H, Takahashi Y, Yamamoto T, Chida K, Saito J, Hirota K, Hakamada K. Postoperative long‑term outcomes of acute normovolemic hemodilution in pancreatic cancer: A propensity score matching analysis. Oncol Lett 2024; 27:236. [PMID: 38601182 PMCID: PMC11005082 DOI: 10.3892/ol.2024.14369] [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: 10/30/2023] [Accepted: 01/31/2024] [Indexed: 04/12/2024] Open
Abstract
Acute normovolemic hemodilution (ANH) is a useful intraoperative blood conservation technique. However, the impact on long-term outcomes in pancreatic ductal adenocarcinoma (PDAC) remains unclear. The present study investigated the impact of ANH on long-term outcomes in patients with PDAC undergoing radical surgery. Data from 155 resectable PDAC cases were collected. Patients were categorized according to whether or not they had received intraoperative allogeneic blood transfusion (ABT) or ANH. Postoperative complications, recurrence-free survival (RFS) and disease-specific survival (DSS), before and after propensity score matching (PSM), were compared among patients who did and did not receive ANH. A total of 44 patients (28.4%) were included in the ANH group and 30 patients (19.4%) were included in the ABT group; 81 (52.3%) patients, comprising the standard management (STD) group, received neither ANH nor ABT. The ABT group had the worst prognosis among them. Before PSM, ANH was significantly associated with decreased RFS (P=0.043) and DSS (P=0.029) compared with the STD group before applying Bonferroni correction; however, no significant difference was observed after applying Bonferroni correction. Cox regression analysis identified ANH as an independent prognostic factor for RFS [relative risk (RR), 1.696; P=0.019] and DSS (RR, 1.876; P=0.009). After PSM, the ANH group exhibited less favorable RFS [median survival time (MST), 12.1 vs. 18.1 months; P=0.097] and DSS (MST, 32.1 vs. 50.5 months; P=0.097) compared with the STD group; however, these differences were not statistically significant. In conclusion, while ANH was not as harmful as ABT, it exhibited potentially more negative effects on long-term postoperative outcomes in PDAC than STD.
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Affiliation(s)
- Taiichi Wakiya
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Keinosuke Ishido
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Norihisa Kimura
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Hayato Nagase
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Taishu Kanda
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Shunsuke Kubota
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Hiroaki Fujita
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Yoshiya Takahashi
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Takeshi Yamamoto
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Kohei Chida
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Junichi Saito
- Department of Anesthesiology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Kazuyoshi Hirota
- Department of Anesthesiology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
| | - Kenichi Hakamada
- Department of Gastroenterological Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori 036-8216, Japan
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Yamamoto T, Mochida Y, Irie K, Altanbagana NU, Fuchida S, Aida J, Takeuchi K, Fujita M, Kondo K. Regional Inequalities in Oral Frailty and Social Capital. JDR Clin Trans Res 2024:23800844241238648. [PMID: 38654451 DOI: 10.1177/23800844241238648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
INTRODUCTION Oral frailty leads to poor nutritional status, which, in turn, leads to frailty. This cross-sectional study aimed to determine regional differences in the prevalence of oral frailty and to identify factors associated with oral frailty using 3-level multilevel models. METHODS This study comprised 165,164 participants aged ≥65 y without long-term care requirements in the Japan Gerontological Evaluation Study. The dependent variable was oral frailty, which was calculated based on age, number of teeth, difficulty in eating tough foods, and choking. The individual-level independent variables included sociodemographics, present illness, social participation, frequency of meeting friends, and social capital. The local district-level independent variable was social capital (n = 1,008) derived from exploratory factor analyses. The municipality-level independent variable was population density (n = 62). Three-level multilevel Poisson regression analysis was performed to calculate the prevalence ratios (PRs). RESULTS The prevalence of oral frailty in municipalities ranged from 39.9% to 77.6%. Regarding district-level factors, higher civic participation was significantly associated with a lower probability of oral frailty. At the municipality level, the PR of the rural-agricultural area was 1.17 (95% confidence interval, 1.11-1.23) (reference: metropolitan). CONCLUSION These results highlight the usefulness of oral frailty prevention measures in encouraging social participation in rural areas. KNOWLEDGE TRANSFER STATEMENT The results of the present study showed regional differences in oral frailty. In particular, rural-agricultural areas show higher prevalence rates of oral frailty than those in metropolitan cities. Promoting measures of social participation among older adults may help prevent oral frailty in rural areas.
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Affiliation(s)
- T Yamamoto
- Department of Preventive Dentistry and Dental Public Health, Kanagawa Dental University, Yokosuka, Kanagawa, Japan
| | - Y Mochida
- Department of Preventive Dentistry and Dental Public Health, Kanagawa Dental University, Yokosuka, Kanagawa, Japan
| | - K Irie
- Department of Preventive Dentistry and Dental Public Health, Kanagawa Dental University, Yokosuka, Kanagawa, Japan
| | - N U Altanbagana
- Department of Preventive Dentistry and Dental Public Health, Kanagawa Dental University, Yokosuka, Kanagawa, Japan
| | - S Fuchida
- Department of Education Planning, Kanagawa Dental University, Yokosuka, Kanagawa, Japan
| | - J Aida
- Department of Oral Health Promotion, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - K Takeuchi
- Department of International and Community Oral Health, Graduate School of Dentistry, Tohoku University, Sendai, Miyagi, Japan
| | - M Fujita
- Department of International and Community Oral Health, Graduate School of Dentistry, Tohoku University, Sendai, Miyagi, Japan
| | - K Kondo
- Center for Preventive Medical Sciences, Chiba University, Chiba, Chiba, Japan
- Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
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Yamamoto T. Diffuse Fasciitis of the Lower Extremities Possibly Induced by Gemcitabine in a Patient with Cholangiocarcinoma. Actas Dermosifiliogr 2024; 115:T412-T413. [PMID: 38325541 DOI: 10.1016/j.ad.2024.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/18/2022] [Indexed: 02/09/2024] Open
Affiliation(s)
- T Yamamoto
- Department of Dermatology, Fukushima Medical University, Fukushima, Japan.
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Yamamoto T. Diffuse Fasciitis of the Lower Extremities Possibly Induced by Gemcitabine in a Patient With Cholangiocarcinoma. Actas Dermosifiliogr 2024; 115:412-413. [PMID: 36933613 DOI: 10.1016/j.ad.2022.06.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/18/2022] [Indexed: 03/18/2023] Open
Affiliation(s)
- T Yamamoto
- Department of Dermatology, Fukushima Medical University, Fukushima, Japan.
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Takiguchi T, Tominaga N, Hamaguchi T, Seki T, Nakata J, Yamamoto T, Tagami T, Inoue A, Hifumi T, Sakamoto T, Kuroda Y, Yokobori S. Etiology-Based Prognosis of Extracorporeal CPR Recipients After Out-of-Hospital Cardiac Arrest: A Retrospective Multicenter Cohort Study. Chest 2024; 165:858-869. [PMID: 37879561 DOI: 10.1016/j.chest.2023.10.022] [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: 06/21/2023] [Revised: 10/04/2023] [Accepted: 10/17/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND A better understanding of the relative contributions of various factors to patient outcomes is essential for optimal patient selection for extracorporeal CPR (ECPR) therapy for patients with out-of-hospital cardiac arrest (OHCA). However, evidence on the prognostic comparison based on the etiologies of cardiac arrest is limited. RESEARCH QUESTION What is the etiology-based prognosis of patients undergoing ECPR for OHCA? STUDY DESIGN AND METHODS This retrospective multicenter registry study involved 36 institutions in Japan and included all adult patients with OHCA who underwent ECPR between January 2013 and December 2018. The primary etiology for OHCA was determined retrospectively from all hospital-based data at each institution. We performed a multivariable logistic regression model to determine the association between etiology of cardiac arrest and two outcomes: favorable neurologic outcome and survival at hospital discharge. RESULTS We identified 1,781 eligible patients, of whom 1,405 (78.9%) had cardiac arrest because of cardiac causes. Multivariable logistic regression analysis for favorable neurologic outcome showed that accidental hypothermia (adjusted OR, 5.12; 95% CI, 2.98-8.80; P < .001) was associated with a significantly higher rate of favorable neurologic outcome than cardiac causes. Multivariable logistic regression analysis for survival showed that accidental hypothermia (adjusted OR, 5.19; 95% CI, 3.15-8.56; P < .001) had significantly higher rates of survival than cardiac causes. Acute aortic dissection/aneurysm (adjusted OR, 0.07; 95% CI, 0.02-0.28; P < .001) and primary cerebral disorders (adjusted OR, 0.12; 95% CI, 0.03-0.50; P = .004) had significantly lower rates of survival than cardiac causes. INTERPRETATION In this retrospective multicenter cohort study, although most patients with OHCA underwent ECPR for cardiac causes, accidental hypothermia was associated with favorable neurologic outcome and survival; in contrast, acute aortic dissection/aneurysm and primary cerebral disorders were associated with nonsurvival compared with cardiac causes.
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Affiliation(s)
- Toru Takiguchi
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan; Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan.
| | - Naoki Tominaga
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
| | - Takuro Hamaguchi
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
| | - Tomohisa Seki
- Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan
| | - Jun Nakata
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Takashi Tagami
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan; Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan
| | - Akihiko Inoue
- Department of Emergency and Critical Care Medicine, Hyogo Emergency Medical Center, Kobe, Japan
| | - Toru Hifumi
- Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan
| | - Tetsuya Sakamoto
- Department of Emergency Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Yasuhiro Kuroda
- Department of Emergency Medicine, Kagawa University School of Medicine, Kagawa, Japan
| | - Shoji Yokobori
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
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Cheng KY, Yu ELM, Yamamoto T, Kwong JCL, Ho YK, Ngan HK, Lin WH, Lau JMT, Cheung CH, Lee GPC, Siu LH, Sheng B, Wong WWY, Man WY, Cheung CCC, Tse CT. Impact of a novel pre-hospital stroke notification programme on acute stroke care key performance indicators in Hong Kong: a multicentre prospective cohort study with historical controls. Hong Kong Med J 2024; 30:94-101. [PMID: 38577838 DOI: 10.12809/hkmj2210413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024] Open
Abstract
INTRODUCTION Early identification and initiation of reperfusion therapy is essential for suspected acute ischaemic stroke. A pre-hospital stroke notification (PSN) protocol using FASE (facial drooping, arm weakness, speech difficulties, and eye palsy) was implemented to improve key performance indicators (KPIs) in acute stroke care delivery. We assessed KPIs and clinical outcomes before and after PSN implementation in Hong Kong. METHODS This prospective cohort study with historical controls was conducted in the Accident and Emergency Departments of four public hospitals in Hong Kong. Patients were screened using the PSN protocol between August 2021 and February 2022. Suspected stroke patients between August 2020 and February 2021 were included as historical controls. Door-to-needle (DTN) and door-to-computed tomography (DTC) times before and after PSN implementation were compared. Clinical outcomes including National Institutes of Health Stroke Scale score at 24 hours and modified Rankin Scale score at 3 months after intravenous recombinant tissue-type plasminogen activator (IV-rtPA) were also assessed. RESULTS Among the 715 patients (266 PSN and 449 non-PSN) included, 50.8% of PSN patients and 37.7% of non-PSN patients had a DTC time within 25 minutes (P<0.001). For the 58 PSN and 134 non-PSN patients given IV-rtPA, median DTN times were 67 and 75.5 minutes, respectively (P=0.007). The percentage of patients with a DTN time within 60 minutes was higher in the PSN group than in the non-PSN group (37.9% vs 21.6%; P=0.019). No statistically significant differences in clinical outcomes were observed. CONCLUSION Although the PSN protocol shortened DTC and DTN times, clinical outcomes did not significantly differ.
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Affiliation(s)
- K Y Cheng
- Department of Accident and Emergency, Yan Chai Hospital, Hong Kong SAR, China
| | - E L M Yu
- Clinical Research Centre, Kowloon West Cluster, Hospital Authority, Hong Kong SAR, China
| | - T Yamamoto
- Department of Accident and Emergency, Yan Chai Hospital, Hong Kong SAR, China
| | - J C L Kwong
- Division of Neurology, Department of Medicine and Geriatrics, Caritas Medical Centre, Hong Kong SAR, China
| | - Y K Ho
- Department of Accident and Emergency, Caritas Medical Centre, Hong Kong SAR, China
| | - H K Ngan
- Department of Accident and Emergency, Yan Chai Hospital, Hong Kong SAR, China
| | - W H Lin
- Department of Accident and Emergency, Yan Chai Hospital, Hong Kong SAR, China
| | - J M T Lau
- Department of Accident and Emergency, North Lantau Hospital, Hong Kong SAR, China
| | - C H Cheung
- Division of Neurology, Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong SAR, China
| | - G P C Lee
- Department of Accident and Emergency, Caritas Medical Centre, Hong Kong SAR, China
| | - L H Siu
- Division of Neurology, Department of Medicine and Geriatrics, Caritas Medical Centre, Hong Kong SAR, China
| | - B Sheng
- Division of Neurology, Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong SAR, China
| | - W W Y Wong
- Division of Neurology, Department of Medicine and Geriatrics, Caritas Medical Centre, Hong Kong SAR, China
| | - W Y Man
- Division of Neurology, Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong SAR, China
| | - C C C Cheung
- Department of Accident and Emergency, North Lantau Hospital, Hong Kong SAR, China
| | - C T Tse
- Division of Neurology, Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong SAR, China
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Hamaguchi T, Takiguchi T, Seki T, Tominaga N, Nakata J, Yamamoto T, Tagami T, Inoue A, Hifumi T, Sakamoto T, Kuroda Y, Yokobori S, Study Group TSJI. Association between pupillary examinations and prognosis in patients with out-of-hospital cardiac arrest who underwent extracorporeal cardiopulmonary resuscitation: a retrospective multicentre cohort study. Ann Intensive Care 2024; 14:35. [PMID: 38448746 PMCID: PMC10917711 DOI: 10.1186/s13613-024-01265-7] [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: 11/26/2023] [Accepted: 02/16/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND In some cases of patients with out-of-hospital cardiac arrest (OHCA) who underwent extracorporeal cardiopulmonary resuscitation (ECPR), negative pupillary light reflex (PLR) and mydriasis upon hospital arrival serve as common early indicator of poor prognosis. However, in certain patients with poor prognoses inferred by pupil findings upon hospital arrival, pupillary findings improve before and after the establishment of ECPR. The association between these changes in pupillary findings and prognosis remains unclear. This study aimed to clarify the association of pupillary examinations before and after the establishment of ECPR in patients with OHCA showing poor pupillary findings upon hospital arrival with their outcomes. To this end, we analysed retrospective multicentre registry data involving 36 institutions in Japan, including all adult patients with OHCA who underwent ECPR between January 2013 and December 2018. We selected patients with poor prognosis inferred by pupillary examinations, negative pupillary light reflex (PLR) and pupil mydriasis, upon hospital arrival. The primary outcome was favourable neurological outcome, defined as Cerebral Performance Category 1 or 2 at hospital discharge. Multivariable logistic regression analysis was performed to evaluate the association between favourable neurological outcome and pupillary examination after establishing ECPR. RESULTS Out of the 2,157 patients enrolled in the SAVE-J II study, 723 were analysed. Among the patients analysed, 74 (10.2%) demonstrated favourable neurological outcome at hospital discharge. Multivariable analysis revealed that a positive PLR at ICU admission (odds ration [OR] = 11.3, 95% confidence intervals [CI] = 5.17-24.7) was significantly associated with favourable neurological outcome. However, normal pupil diameter at ICU admission (OR = 1.10, 95%CI = 0.52-2.32) was not significantly associated with favourable neurological outcome. CONCLUSION Among the patients with OHCA who underwent ECPR and showed poor pupillary examination findings upon hospital arrival, 10.2% had favourable neurological outcome at hospital discharge. A positive PLR after the establishment of ECPR was significantly associated with favourable neurological outcome.
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Affiliation(s)
- Takuro Hamaguchi
- Department of Emergency and Critical Care Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
| | - Toru Takiguchi
- Department of Emergency and Critical Care Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan.
- Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan.
| | - Tomohisa Seki
- Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan
| | - Naoki Tominaga
- Department of Emergency and Critical Care Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
| | - Jun Nakata
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Takashi Tagami
- Department of Emergency and Critical Care Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan
| | - Akihiko Inoue
- Department of Emergency and Critical Care Medicine, Hyogo Emergency Medical Center, Kobe, Japan
| | - Toru Hifumi
- Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan
| | - Tetsuya Sakamoto
- Department of Emergency Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Yasuhiro Kuroda
- Department of Emergency Medicine, Kagawa University School of Medicine, Kagawa, Japan
| | - Shoji Yokobori
- Department of Emergency and Critical Care Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
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Tominaga N, Takiguchi T, Seki T, Hamaguchi T, Nakata J, Yamamoto T, Tagami T, Inoue A, Hifumi T, Sakamoto T, Kuroda Y, Yokobori S. Factors associated with favourable neurological outcomes following cardiopulmonary resuscitation for out-of-hospital cardiac arrest: A retrospective multi-centre cohort study. Resusc Plus 2024; 17:100574. [PMID: 38370315 PMCID: PMC10869306 DOI: 10.1016/j.resplu.2024.100574] [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: 10/30/2023] [Revised: 01/03/2024] [Accepted: 01/29/2024] [Indexed: 02/20/2024] Open
Abstract
Aim To investigate the factors associated with favourable neurological outcomes in adult patients undergoing extracorporeal cardiopulmonary resuscitation (ECPR) for out-of-hospital cardiac arrest (OHCA). Methods This retrospective observational study used secondary analysis of the SAVE-J II multicentre registry data from 36 institutions in Japan. Between 2013 and 2018, 2157 patients with OHCA who underwent ECPR were enrolled in SAVE-J II. A total of 1823 patients met the study inclusion criteria. Adult patients (aged ≥ 18 years) with OHCA, who underwent ECPR before admission to the intensive care unit, were included in our secondary analysis. The primary outcome was a favourable neurological outcome at hospital discharge, defined as a Cerebral Performance Category score of 1 or 2. We used a multivariate logistic regression model to examine the association between factors measured at the incident scene or upon hospital arrival and favourable neurological outcomes. Results Multivariable analysis revealed that shockable rhythm at the scene [odds ratio (OR); 2.11; 95% confidence interval (CI), 1.16-3.95] and upon hospital arrival (OR 2.59; 95% CI 1.60-4.30), bystander CPR (OR 1.63; 95% CI 1.03-1.88), body movement during resuscitation (OR 7.10; 95% CI 1.79-32.90), gasping (OR 4.33; 95% CI 2.57-7.28), pupillary reflex on arrival (OR 2.93; 95% CI 1.73-4.95), and male sex (OR 0.43; 95% CI 0.24-0.75) significantly correlated with neurological outcomes. Conclusions Shockable rhythm, bystander CPR, body movement during resuscitation, gasping, pupillary reflex, and sex were associated with favourable neurological outcomes in patients with OHCA treated with ECPR.
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Affiliation(s)
- Naoki Tominaga
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
| | - Toru Takiguchi
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
- Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan
| | - Tomohisa Seki
- Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan
| | - Takuro Hamaguchi
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
| | - Jun Nakata
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - Takashi Tagami
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
| | - Akihiko Inoue
- Department of Emergency and Critical Care Medicine, Hyogo Emergency Medical Centre, Kobe, Japan
| | - Toru Hifumi
- Department of Emergency and Critical Care Medicine, St. Luke’s International Hospital, Tokyo, Japan
| | - Tetsuya Sakamoto
- Department of Emergency Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Yasuhiro Kuroda
- Department of Emergency Medicine, Kagawa University School of Medicine, Kagawa, Japan
| | - Shoji Yokobori
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
| | - SAVE-J II study group Investigation Supervision
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
- Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan
- Division of Cardiovascular Intensive Care, Department of Cardiovascular Medicine, Nippon Medical School Hospital, Tokyo, Japan
- Department of Emergency and Critical Care Medicine, Hyogo Emergency Medical Centre, Kobe, Japan
- Department of Emergency and Critical Care Medicine, St. Luke’s International Hospital, Tokyo, Japan
- Department of Emergency Medicine, Teikyo University School of Medicine, Tokyo, Japan
- Department of Emergency Medicine, Kagawa University School of Medicine, Kagawa, Japan
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11
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Minami S, Sakai S, Yamamoto T, Takabatake Y, Namba-Hamano T, Takahashi A, Matsuda J, Yonishi H, Nakamura J, Maeda S, Matsui S, Matsui I, Isaka Y. FGF21 and autophagy coordinately counteract kidney disease progression during aging and obesity. Autophagy 2024; 20:489-504. [PMID: 37722816 PMCID: PMC10936614 DOI: 10.1080/15548627.2023.2259282] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 09/11/2023] [Indexed: 09/20/2023] Open
Abstract
Chronic kidney disease (CKD) has reached epidemic proportions worldwide, partly due to the increasing population of elderly and obesity. Macroautophagy/autophagy counteracts CKD progression, whereas autophagy is stagnated owing to lysosomal overburden during aging and obesity, which promotes CKD progression. Therefore, for preventing CKD progression during aging and obesity, it is important to elucidate the compensation mechanisms of autophagy stagnation. We recently showed that FGF21 (fibroblast growth factor 21), which is a prolongevity and metabolic hormone, is induced by autophagy deficiency in kidney proximal tubular epithelial cells (PTECs); however, its pathophysiological role remains uncertain. Here, we investigated the interplay between FGF21 and autophagy and the direct contribution of endogenous FGF21 in the kidney during aging and obesity using PTEC-specific fgf21- and/or atg5-deficient mice at 24 months (aged) or under high-fat diet (obese) conditions. PTEC-specific FGF21 deficiency in young mice increased autophagic flux due to increased demand of autophagy, whereas fgf21-deficient aged or obese mice exacerbated autophagy stagnation due to severer lysosomal overburden caused by aberrant autophagy. FGF21 was robustly induced by autophagy deficiency, and aged or obese PTEC-specific fgf21- and atg5-double deficient mice deteriorated renal histology compared with atg5-deficient mice. Mitochondrial function was severely disturbed concomitant with exacerbated oxidative stress and downregulated TFAM (transcription factor A, mitochondrial) in double-deficient mice. These results indicate that FGF21 is robustly induced by autophagy disturbance and protects against CKD progression during aging and obesity by alleviating autophagy stagnation and maintaining mitochondrial homeostasis, which will pave the way to a novel treatment for CKD.
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Affiliation(s)
- Satoshi Minami
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Shinsuke Sakai
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Takeshi Yamamoto
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yoshitsugu Takabatake
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tomoko Namba-Hamano
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Atsushi Takahashi
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Jun Matsuda
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiroaki Yonishi
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Jun Nakamura
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Shihomi Maeda
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Sho Matsui
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Isao Matsui
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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12
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Sato Y, Yoshida P, Yamamoto T, So S, Tanizawa K. On emerging enzyme replacement therapies for neuronopathic mucopolysaccharidosis II. Mol Genet Metab 2024; 141:108143. [PMID: 38277987 DOI: 10.1016/j.ymgme.2024.108143] [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: 12/14/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/28/2024]
Affiliation(s)
- Y Sato
- JCR Pharmaceuticals, Hyogo, Japan.
| | | | | | - S So
- JCR Pharmaceuticals, Hyogo, Japan
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13
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Sato Y, Yoshida P, Yamamoto T, So S, Tanizawa K. Corrigendum to "On emerging enzyme replacement therapies for neuronopathic mucopolysaccharidosis II" [Molecular Genetics and Metabolism Volume 141, Issue 3 (2024) 108143]. Mol Genet Metab 2024; 141:108344. [PMID: 38341365 DOI: 10.1016/j.ymgme.2024.108344] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Affiliation(s)
- Y Sato
- JCR Pharmaceuticals, Hyogo, Japan.
| | | | | | - S So
- JCR Pharmaceuticals, Hyogo, Japan
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14
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Akutsu K, Yoshino H, Shimokawa T, Ogino H, Kunihara T, Takahashi T, Usui M, Watanabe K, Yamasaki M, Fujii T, Kawata M, Watanabe Y, Yamamoto T, Kohsaka S, Nagao K, Takayama M. Clinical Features of 544 Patients With Ruptured Aortic Aneurysm - A Report From the Tokyo Acute Aortic Super Network Database. Circ J 2024:CJ-23-0636. [PMID: 38417888 DOI: 10.1253/circj.cj-23-0636] [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] [Indexed: 03/01/2024]
Abstract
BACKGROUND Epidemiological data on ruptured aortic aneurysms from large-scale studies are scarce. The aims of this study were to: clarify the clinical course of ruptured aortic aneurysms; identify aneurysm site-specific therapies and outcomes; and determine the clinical course of patients receiving conservative therapy.Methods and Results: Using the Tokyo Acute Aortic Super Network database, we retrospectively analyzed 544 patients (mean [±SD] age 78±10 years; 70% male) with ruptured non-dissecting aortic aneurysms (AAs) after excluding those with impending rupture. Patient characteristics, status on admission, therapeutic strategy, and outcomes were evaluated. Shock or pulselessness on admission were observed in 45% of all patients. Conservative therapy, endovascular therapy (EVT), and open surgery (OS) accounted for 32%, 23%, and 42% of cases, respectively, with corresponding mortality rates of 93%, 30%, and 29%. The overall in-hospital mortality rate was 50%. The prevalence of pulselessness was highest (48%) in the ruptured ascending AA group, and in-hospital mortality was the highest (70%) in the ruptured thoracoabdominal AA group. Multivariable logistic regression analysis indicated in-hospital mortality was positively associated with pulselessness (odds ratio [OR] 10.12; 95% confidence interval [CI] 4.09-25.07), and negatively associated with invasive therapy (EVT and OS; OR 0.11; 95% CI 0.06-0.20). CONCLUSIONS The outcomes of ruptured AAs remain poor; emergency invasive therapy is essential to save lives, although it remains challenging to reduce the risk of death.
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Affiliation(s)
- Koichi Akutsu
- Tokyo CCU Network Scientific Committee
- Department of Cardiovascular Medicine, Nippon Medical School
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Ken Nagao
- Tokyo CCU Network Scientific Committee
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15
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Nakamura M, Tamaru S, Hirooka S, Hirayama A, Tsuji A, Hirata M, Munemasa M, Nakagawa I, Toshima M, Shimokawa H, Nishimura Y, Ogura T, Yamamoto T, Satokawa H, Obayashi T, Yamada N. Efficacy and Safety of Warfarin for the Treatment of Venous Thromboembolism - A Multicenter Prospective Observational Cohort Study in Japan (AKAFUJI Study). Circ J 2024; 88:359-368. [PMID: 37394573 DOI: 10.1253/circj.cj-23-0158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
BACKGROUND A large-scale prospective study of the efficacy and safety of warfarin for the treatment of venous thromboembolism (VTE) has not been conducted in Japan. Therefore, we conducted a real-world prospective multicenter observational cohort study (AKAFUJI Study; UMIN000014132) to investigate the efficacy and safety of warfarin for VTE.Methods and Results: Between May 2014 and March 2017, 352 patients (mean [±SD] age 67.7±14.8 years; 57% female) with acute symptomatic/asymptomatic VTE were enrolled; 284 were treated with warfarin. The cumulative incidence of recurrent symptomatic VTE was higher in patients without warfarin than in those treated with warfarin (8.7 vs. 2.2 per 100 person-years, respectively; P=0.018). The cumulative incidence of bleeding complications was not significantly different between the 2 groups. The mean prothrombin time-international normalized ratio (PT-INR) during warfarin on-treatment was <1.5 in 180 patients, 1.5-2.5 in 97 patients, and >2.5 in 6 patients. The incidence of bleeding complications was significantly higher in patients with PT-INR >2.5, whereas the incidence of recurrent VTE was not significantly different between the 3 PT-INR groups. The cumulative incidence of recurrent VTE and bleeding complications did not differ significantly among those in whom VTE was provoked by a transient risk factor, was unprovoked, or was associated with cancer. CONCLUSIONS Warfarin therapy with an appropriate PT-INR according to Japanese guidelines is effective without increasing bleeding complications, regardless of patient characteristics.
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Affiliation(s)
| | - Satoshi Tamaru
- Clinical Research Support Center, Mie University Hospital
| | - Shigeki Hirooka
- Department of Cardiovascular Surgery, Yamagata Saisei Hospital
| | - Atsushi Hirayama
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine
| | - Akihiro Tsuji
- Department of Cardiology, Division of Pulmonary Circulation, National Cerebral and Cardiovascular Center
| | - Mitsuhiro Hirata
- Department of Cardiovascular Surgery, Kitasato University Hospital
| | | | | | | | - Hiroaki Shimokawa
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine
| | - Yuki Nishimura
- Clinical Research Support Center, Mie University Hospital
| | - Toru Ogura
- Clinical Research Support Center, Mie University Hospital
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Nippon Medical School Hospital
| | - Hirono Satokawa
- Department of Cardiovascular Surgery, Fukushima Medical University Hospital
| | - Toru Obayashi
- Department of Cardiology, Musashino Red Cross Hospital
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16
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Jimba T, Kodera S, Kohsaka S, Otsuka T, Harada K, Shindo A, Shiraishi Y, Kohno T, Takei M, Nakano H, Matsuda J, Yamamoto T, Nagao K, Takayama M. Forecasting the Acute Heart Failure Admissions: Development of Deep Learning Prediction Model Incorporating the Climate Information. J Card Fail 2024; 30:404-409. [PMID: 37952642 DOI: 10.1016/j.cardfail.2023.10.476] [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: 09/05/2023] [Revised: 10/08/2023] [Accepted: 10/08/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Climate is known to influence the incidence of cardiovascular events. However, their prediction with traditional statistical models remains imprecise. METHODS AND RESULTS We analyzed 27,799 acute heart failure (AHF) admissions within the Tokyo CCU Network Database from January 2014 to December 2019. High-risk AHF (HR-AHF) day was defined as a day with the upper 10th percentile of AHF admission volume. Deep neural network (DNN) and traditional regression models were developed using the admissions in 2014-2018 and tested in 2019. Explanatory variables included 17 meteorological parameters. Shapley additive explanations were used to evaluate their importance. The median number of incidences of AHF was 12 (9-16) per day in 2014-2018 and 11 (9-15) per day in 2019. The predicted AHF admissions correlated well with the observed numbers (DNN: R2 = 0.413, linear regression: R2 = 0.387). The DNN model was superior in predicting HR-AHF days compared with the logistic regression model [c-statistics: 0.888 (95% CI: 0.818-0.958) vs 0.827 (95% CI: 0.745-0.910): P = .0013]. Notably, the strongest predictive variable was the 7-day moving average of the lowest ambient temperatures. CONCLUSIONS The DNN model had good prediction ability for incident AHF using climate information. Forecasting AHF admissions could be useful for the effective management of AHF.
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Affiliation(s)
- Takahiro Jimba
- Tokyo CCU Network Scientific Committee, Tokyo, Japan; Department of Cardiovascular Medicine, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, Japan.
| | - Satoshi Kodera
- Tokyo CCU Network Scientific Committee, Tokyo, Japan; Department of Cardiovascular Medicine, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shun Kohsaka
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Toshiaki Otsuka
- Tokyo CCU Network Scientific Committee, Tokyo, Japan; Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan
| | | | - Akito Shindo
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | - Takashi Kohno
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Makoto Takei
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Hiroki Nakano
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Junya Matsuda
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | - Ken Nagao
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
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17
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Cui M, Yamano K, Yamamoto K, Yamamoto-Imoto H, Minami S, Yamamoto T, Matsui S, Kaminishi T, Shima T, Ogura M, Tsuchiya M, Nishino K, Layden BT, Kato H, Ogawa H, Oki S, Okada Y, Isaka Y, Kosako H, Matsuda N, Yoshimori T, Nakamura S. HKDC1, a target of TFEB, is essential to maintain both mitochondrial and lysosomal homeostasis, preventing cellular senescence. Proc Natl Acad Sci U S A 2024; 121:e2306454120. [PMID: 38170752 PMCID: PMC10786298 DOI: 10.1073/pnas.2306454120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 11/15/2023] [Indexed: 01/05/2024] Open
Abstract
Mitochondrial and lysosomal functions are intimately linked and are critical for cellular homeostasis, as evidenced by the fact that cellular senescence, aging, and multiple prominent diseases are associated with concomitant dysfunction of both organelles. However, it is not well understood how the two important organelles are regulated. Transcription factor EB (TFEB) is the master regulator of lysosomal function and is also implicated in regulating mitochondrial function; however, the mechanism underlying the maintenance of both organelles remains to be fully elucidated. Here, by comprehensive transcriptome analysis and subsequent chromatin immunoprecipitation-qPCR, we identified hexokinase domain containing 1 (HKDC1), which is known to function in the glycolysis pathway as a direct TFEB target. Moreover, HKDC1 was upregulated in both mitochondrial and lysosomal stress in a TFEB-dependent manner, and its function was critical for the maintenance of both organelles under stress conditions. Mechanistically, the TFEB-HKDC1 axis was essential for PINK1 (PTEN-induced kinase 1)/Parkin-dependent mitophagy via its initial step, PINK1 stabilization. In addition, the functions of HKDC1 and voltage-dependent anion channels, with which HKDC1 interacts, were essential for the clearance of damaged lysosomes and maintaining mitochondria-lysosome contact. Interestingly, HKDC1 regulated mitophagy and lysosomal repair independently of its prospective function in glycolysis. Furthermore, loss function of HKDC1 accelerated DNA damage-induced cellular senescence with the accumulation of hyperfused mitochondria and damaged lysosomes. Our results show that HKDC1, a factor downstream of TFEB, maintains both mitochondrial and lysosomal homeostasis, which is critical to prevent cellular senescence.
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Affiliation(s)
- Mengying Cui
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Koji Yamano
- Ubiquitin Project, Tokyo Metropolitan Institute of Medical Science, Setagaya, Tokyo156-8506, Japan
- Department of Biomolecular Pathogenesis, Medical Research Institute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo113-8510, Japan
| | - Kenichi Yamamoto
- Department of Statistical Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Department of Pediatrics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Hitomi Yamamoto-Imoto
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Satoshi Minami
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Takeshi Yamamoto
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Sho Matsui
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Tatsuya Kaminishi
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka565-0871, Japan
| | - Takayuki Shima
- Department of Biochemistry, Nara Medical University, Kashihara, Nara634-8521, Japan
| | - Monami Ogura
- Department of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Megumi Tsuchiya
- Laboratory of Nuclear Dynamics Group, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Kohei Nishino
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima770-8503, Japan
| | - Brian T. Layden
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois Chicago, Chicago, IL60612
- Jesse Brown Veterans Affairs Medical Center, Chicago, IL60612
| | - Hisakazu Kato
- Department of Medical Biochemistry, Graduate School of Medicine/Frontier Bioscience, Osaka University, Suita, Osaka565-0871, Japan
| | - Hidesato Ogawa
- Laboratory of Nuclear Dynamics Group, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Shinya Oki
- Department of Drug Discovery Medicine, Graduate School of Medicine, Kyoto University, Kyoto606-8501, Japan
| | - Yukinori Okada
- Department of Statistical Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka565-0871, Japan
- Laboratory of Statistical Immunology, Immunology Frontier Research Center, World Premier International Research Center (WPI-IFReC), Osaka University, Suita, Osaka565-0871, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Hidetaka Kosako
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima770-8503, Japan
| | - Noriyuki Matsuda
- Ubiquitin Project, Tokyo Metropolitan Institute of Medical Science, Setagaya, Tokyo156-8506, Japan
- Department of Biomolecular Pathogenesis, Medical Research Institute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo113-8510, Japan
| | - Tamotsu Yoshimori
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka565-0871, Japan
- Department of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Shuhei Nakamura
- Department of Biochemistry, Nara Medical University, Kashihara, Nara634-8521, Japan
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18
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Matsuda J, Yamamoto T, Ishii Y, Asai K. Eosinophilic Granulomatosis with Polyangiitis-Induced Eosinophilic Endomyocarditis with marked endocardial thickening and "Sea Urchin Roe-Like" Endocardial Thrombus. Eur Heart J Cardiovasc Imaging 2024:jeae004. [PMID: 38173052 DOI: 10.1093/ehjci/jeae004] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 12/30/2023] [Indexed: 01/05/2024] Open
Affiliation(s)
- Junya Matsuda
- Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Nippon Medical School, Tokyo, Japan
| | - Yousuke Ishii
- Department of Cardiovascular Surgery, Nippon Medical School, Tokyo, Japan
| | - Kuniya Asai
- Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
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19
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Ogino H, Yoshino H, Shimokawa T, Akutsu K, Takahashi T, Usui M, Kunihara T, Watanabe K, Nakai M, Yamamoto T, Takayama M. A new insight into superacute care for type A acute aortic dissection in the Tokyo Acute Aortic Super Network. J Thorac Cardiovasc Surg 2024; 167:41-51.e4. [PMID: 37659462 DOI: 10.1016/j.jtcvs.2023.08.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 08/20/2023] [Accepted: 08/22/2023] [Indexed: 09/04/2023]
Abstract
OBJECTIVE To determine the status of type A acute aortic dissection using the Tokyo Acute Aortic Super Network. METHODS Data of 6283 patients with acute aortic dissection between 2015 and 2019 were collected. Data of 3303 patients with type A acute aortic dissection were extracted for analysis. RESULTS Overall, 51.0% of patients were nondirect admissions. On arrival, 23.1% of patients were in shock, 10.0% in cardiopulmonary arrest, and 11.8% in deep coma or coma. Overall, 9.8% of patients were assessed as untreatable. Of 2979 treatable patients, 18.3% underwent medical treatment, whereas 80.7% underwent surgery (open [78.8%], endovascular [1.9%], and peripheral [1.1%] repair). The early mortality rate was 20.5%, including untreatable cases. Among treatable patients, in-hospital mortality rates were 8.6% for open repair, 10.7% for endovascular repair, and 25.3% for medical treatment. Advanced age, preoperative comorbidities, classical dissection, and medical treatment were risk factors for in-hospital mortality. Nondirect admission did not cause increased deaths. The mortality rates were high during the superacute phase following symptom onset. CONCLUSIONS This study demonstrated current practices in the emergency care of type A acute aortic dissection via the Tokyo Acute Aortic Super Network system, specifically a high rate of untreatable or inoperable cases and favorable outcomes in patients undergoing surgical treatment. High mortality rates were observed during the super acute phase after symptom onset or hospital arrival.
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Affiliation(s)
- Hitoshi Ogino
- Department of Cardiovascular Surgery, Tokyo Medical University, Tokyo, Japan.
| | - Hideaki Yoshino
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Tomoki Shimokawa
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Koichi Akutsu
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | | | - Michio Usui
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Takashi Kunihara
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Kazuhiro Watanabe
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Michikazu Nakai
- Center for Cerebral and Cardiovascular Disease Information, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Takeshi Yamamoto
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Morimasa Takayama
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
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20
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, 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Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Nakata J, Yamamoto T, Saku K, Ikeda Y, Unoki T, Asai K. Mechanical circulatory support in cardiogenic shock. J Intensive Care 2023; 11:64. [PMID: 38115065 PMCID: PMC10731894 DOI: 10.1186/s40560-023-00710-2] [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: 10/11/2023] [Accepted: 11/30/2023] [Indexed: 12/21/2023] Open
Abstract
Cardiogenic shock is a complex and diverse pathological condition characterized by reduced myocardial contractility. The goal of treatment of cardiogenic shock is to improve abnormal hemodynamics and maintain adequate tissue perfusion in organs. If hypotension and insufficient tissue perfusion persist despite initial therapy, temporary mechanical circulatory support (t-MCS) should be initiated. This decade sees the beginning of a new era of cardiogenic shock management using t-MCS through the accumulated experience with use of intra-aortic balloon pump (IABP) and venoarterial extracorporeal membrane oxygenation (VA-ECMO), as well as new revolutionary devices or systems such as transvalvular axial flow pump (Impella) and a combination of VA-ECMO and Impella (ECPELLA) based on the knowledge of circulatory physiology. In this transitional period, we outline the approach to the management of cardiogenic shock by t-MCS. The management strategy involves carefully selecting one or a combination of the t-MCS devices, taking into account the characteristics of each device and the specific pathological condition. This selection is guided by monitoring of hemodynamics, classification of shock stage, risk stratification, and coordinated management by the multidisciplinary shock team.
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Affiliation(s)
- Jun Nakata
- Division of Cardiovascular Intensive Care, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo, 113-8603, Japan.
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo, 113-8603, Japan
| | - Keita Saku
- Department of Cardiovascular Dynamics, National Cerebral and Cardiovascular Center Research, Suita, Osaka, Japan
| | - Yuki Ikeda
- Department of Cardiovascular Medicine, Kitasato University, School of Medicine, Sagamihara, Kanagawa, Japan
| | - Takashi Unoki
- Department of Cardiology and Intensive Care Unit, Saiseikai Kumamoto Hospital, Kumamoto, Japan
| | - Kuniya Asai
- Division of Cardiovascular Intensive Care, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo, 113-8603, Japan
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Yamamoto T, Isaka Y. Dietary Omega-3 Polyunsaturated Fatty Acids and Amelioration of CKD: Possible Cellular Mechanisms. Kidney360 2023; 4:1661-1662. [PMID: 38153790 PMCID: PMC10758506 DOI: 10.34067/kid.0000000000000252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/21/2023] [Indexed: 12/30/2023]
Affiliation(s)
- Takeshi Yamamoto
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
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Hirano T, Hayashi T, Sugita H, Tamasawa A, Goto S, Tomoyasu M, Yamamoto T, Ohara M, Terasaki M, Kushima H, Ito Y, Yamagishi S, Mori Y. Prospective randomized comparative study of the effect of pemafibrate add-on or double statin dose on small dense low-density lipoprotein-cholesterol in patients with type 2 diabetes and hypertriglyceridemia on statin therapy. J Diabetes Investig 2023; 14:1401-1411. [PMID: 37647503 PMCID: PMC10688129 DOI: 10.1111/jdi.14076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/23/2023] [Accepted: 08/14/2023] [Indexed: 09/01/2023] Open
Abstract
AIMS/INTRODUCTION Small dense low-density lipoprotein (sdLDL) is a more potent atherogenic lipoprotein than LDL. As sdLDL-cholesterol (C) levels are determined by triglyceride and LDL-C levels, pemafibrate and statins can reduce sdLDL-C levels. However, it remains unclear whether adding pemafibrate or increasing statin doses would more effectively reduce sdLDL-C levels in patients receiving statin therapy. MATERIALS AND METHODS A total of 97 patients with type 2 diabetes and hypertriglyceridemia who were treated with statins were randomly assigned to the pemafibrate 0.2 mg/day addition or statin dose doubled, and followed for 12 weeks. sdLDL-C was measured by our established homogenous assay. RESULTS The percentage and absolute reductions of sdLDL-C levels were significantly greater in the pemafibrate add-on group than the statin doubling group (-32.8 vs -8.1%; -16 vs -3 mg/dL, respectively). Triglyceride levels were reduced only in the pemafibrate add-on group (-44%), and LDL-C levels were reduced only in the statin doubling group (-8%), whereas levels of non-high-density lipoprotein-C and apolipoprotein B were similarly decreased (7-9%) in both groups. The absolute reductions of sdLDL-C levels were closely associated with decreased triglyceride, LDL-C, non-high-density lipoprotein-C and apolipoprotein B. In the subgroup analysis, the effect of pemafibrate add-on on sdLDL-C reductions was observed irrespective of baseline lipid parameters or statin type. No serious adverse effects were observed in both groups. CONCLUSIONS In patients with type 2 diabetes and hypertriglyceridemia, the addition of pemafibrate to a statin is superior to doubling a statin in reducing sdLDL-C without increasing adverse effects.
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Affiliation(s)
- Tsutomu Hirano
- Diabetes CenterEbina General HospitalEbinaJapan
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Toshiyuki Hayashi
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
- Yurakubashi ClinicTokyoJapan
| | - Hiroe Sugita
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | | | - Satoshi Goto
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
- Goto IinNaraJapan
| | - Masako Tomoyasu
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Takeshi Yamamoto
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Makoto Ohara
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Michishige Terasaki
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Hideki Kushima
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Yasuki Ito
- Clinical Diagnostics DepartmentDenka Co., Ltd.TokyoJapan
| | - Sho‐ichi Yamagishi
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
| | - Yusaku Mori
- Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
- Anti‐Glycation Research Section, Division of Diabetes, Metabolism, and Endocrinology, Department of MedicineShowa University School of MedicineTokyoJapan
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Irie K, Yamamoto T. A Case of Pyoderma Gangrenosum-Like Ulcers Progressing into Neutrophilic Panniculitis in a Patient With Myelodysplastic Syndrome. Actas Dermosifiliogr 2023:S0001-7310(23)00926-2. [PMID: 38008246 DOI: 10.1016/j.ad.2023.02.034] [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: 01/05/2023] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 11/28/2023] Open
Affiliation(s)
- K Irie
- Department of Dermatology, Fukushima Medical University, Fukushima, Japan.
| | - T Yamamoto
- Department of Dermatology, Fukushima Medical University, Fukushima, Japan
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Matsumoto A, Matsui I, Uchinomiya S, Katsuma Y, Yasuda S, Okushima H, Imai A, Yamamoto T, Ojida A, Inoue K, Isaka Y. Spatiotemporally quantitative in vivo imaging of mitochondrial fatty acid β-oxidation at cellular-level resolution in mice. Am J Physiol Endocrinol Metab 2023; 325:E552-E561. [PMID: 37729022 DOI: 10.1152/ajpendo.00147.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 08/22/2023] [Accepted: 09/18/2023] [Indexed: 09/22/2023]
Abstract
Mitochondrial fatty acid β-oxidation (FAO) plays a key role in energy homeostasis. Several FAO evaluation methods are currently available, but they are not necessarily suitable for capturing the dynamics of FAO in vivo at a cellular-level spatial resolution and seconds-level time resolution. FAOBlue is a coumarin-based probe that undergoes β-oxidation to produce a fluorescent substrate, 7-hydroxycoumarin-3-(N-(2-hydroxyethyl))-carboxamide (7-HC). After confirming that 7-HC could be specifically detected using multiphoton microscopy at excitation/emission wavelength = 820/415-485 nm, wild-type C57BL/6 mice were randomly divided into control, pemafibrate, fasting (24 or 72 h), and etomoxir groups. These mice received a single intravenous injection of FAOBlue. FAO activities in the liver of these mice were visualized using multiphoton microscopy at 4.2 s/frame. These approaches could visualize the difference in FAO activities between periportal and pericentral hepatocytes in the control, pemafibrate, and fasting groups. FAO velocity, which was expressed by the maximum slope of the fluorescence intensity curve, was accelerated in the pemafibrate and 72-h fasting groups both in the periportal and the pericentral hepatocytes in comparison with the control group. Our approach revealed differences in the FAO activation mode by the two stimuli, i.e., pemafibrate and fasting, with pemafibrate accelerating the time of first detection of FAO-derived fluorescence. No increase in the fluorescence was observed in etomoxir-pretreated mice, confirming that FAOBlue specifically detected FAO in vivo. Thus, FAOBlue is useful for visualizing in vivo liver FAO dynamics at the single-cell-level spatial resolution and seconds-level time resolution.NEW & NOTEWORTHY Fatty acid β-oxidation (FAO) plays a key role in energy homeostasis. Here, the authors established a strategy for visualizing FAO activity in vivo at the cellular-level spatial resolution and seconds-level time resolution in mice. Quantitative analysis revealed spatiotemporal heterogeneity in hepatic FAO dynamics. Our method is widely applicable because it is simple and uses a multiphoton microscope to observe the FAOBlue-injected mice.
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Affiliation(s)
- Ayumi Matsumoto
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Isao Matsui
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
- Transdimensional Life Imaging Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, Japan
| | - Shohei Uchinomiya
- Medical Chemistry and Chemical Biology, Department of Medicinal Sciences, Graduate School of Pharmaceutical Science, Kyushu University, Fukuoka, Japan
| | - Yusuke Katsuma
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Seiichi Yasuda
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hiroki Okushima
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Atsuhiro Imai
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takeshi Yamamoto
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Akio Ojida
- Medical Chemistry and Chemical Biology, Department of Medicinal Sciences, Graduate School of Pharmaceutical Science, Kyushu University, Fukuoka, Japan
| | - Kazunori Inoue
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
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Watanabe Y, Yoshikawa T, Isogai T, Sakata K, Yamaguchi T, Arao K, Takaoka Y, Inohara T, Imori Y, Mochizuki H, Yamamoto T, Asai K, Nagao K, Takayama M. Impact of hypoalbuminemia on in-hospital mortality in patients with takotsubo syndrome: A multicenter registry of the Tokyo Cardiovascular Care Unit Network. J Cardiol 2023; 82:356-362. [PMID: 37343932 DOI: 10.1016/j.jjcc.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/23/2023] [Accepted: 05/27/2023] [Indexed: 06/23/2023]
Abstract
BACKGROUND Hypoalbuminemia is common in critically ill patients and is associated with poor outcomes. However, the relationship between serum albumin levels and clinical outcomes in patients with takotsubo syndrome remains unclear. We examined the impact of hypoalbuminemia on in-hospital mortality in patients with takotsubo syndrome. METHODS Using the multicenter registry of the Tokyo Cardiovascular Care Unit Network between January 2017 and December 2020, we identified 631 eligible patients with takotsubo syndrome (median age, 78 years; male proportion, 22 %) and documented serum albumin levels at admission, which were used to allocate patients to hypoalbuminemia (serum albumin <3.5 g/dL) or normal albumin (serum albumin ≥3.5 g/dL) groups. Patient characteristics and in-hospital mortality were compared between the groups. RESULTS Hypoalbuminemia was detected in 200 (32 %) patients at admission. The hypoalbuminemia group was older and had a higher proportion of men and preceding physical triggers than the normal albumin group. In-hospital all-cause mortality was greater in the hypoalbuminemia group than in the normal albumin group (9.5 % vs. 1.9 %, p < 0.001). Both cardiac (3.0 % vs. 0.5 %, p = 0.015) and non-cardiac (6.5 % vs. 1.4 %, p = 0.002) mortality was greater in the hypoalbuminemia group. In multivariable logistic regression analysis, hypoalbuminemia was independently associated with increased in-hospital mortality, even after adjusting for confounders, including age, sex, and triggering events (odds ratio, 3.23; 95 % confidence interval, 1.31-7.95; p = 0.011). CONCLUSIONS In patients with takotsubo syndrome, hypoalbuminemia is a common comorbidity and is associated with a substantial risk of in-hospital death. Close monitoring and comprehensive critical care are required in these patients.
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Affiliation(s)
- Yukihiro Watanabe
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan; Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan.
| | - Tsutomu Yoshikawa
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Toshiaki Isogai
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Konomi Sakata
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Tetsuo Yamaguchi
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Kenshiro Arao
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Yoshimitsu Takaoka
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Taku Inohara
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Yoichi Imori
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan; Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
| | - Hiroki Mochizuki
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Takeshi Yamamoto
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan; Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
| | - Kuniya Asai
- Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
| | - Ken Nagao
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Morimasa Takayama
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
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Yamamoto K, Ohta Y, Taguchi A, Akiyama M, Nakabayashi H, Nagao Y, Ryoko H, Wada Y, Yamamoto T, Yano M, Tanizawa Y. Effects of pemafibrate on left ventricular diastolic function in patients with type 2 diabetes mellitus: a pilot study. Diabetol Int 2023; 14:434-439. [PMID: 37781469 PMCID: PMC10533442 DOI: 10.1007/s13340-023-00645-x] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 06/14/2023] [Indexed: 10/03/2023]
Abstract
Aims/introduction Diabetic cardiomyopathy (DCM) is characterized predominantly by diastolic dysfunction. The multiple mechanisms underlying DCM include altered energy substrate utilization. Recent studies indicate that PPARα plays an important role in the pathogenesis of lipotoxic cardiomyopathy. Pemafibrate is known to be a selective PPARα modulator (SPPARMα). We thus investigated the effects of pemafibrate on cardiac diastolic function in patients with type 2 diabetes. Materials and methods Seventeen patients with type 2 diabetes (T2D) and hypertriglyceridemia were screened and treated with pemafibrate at a dose of 0.2 mg/day for 8-16 weeks. Fourteen patients were eligible for analysis. Echocardiography was used for assessment of diastolic function. Early diastolic filling velocity (E), late atrial filling velocity (A) and the E/A ratio were included in this study. Peak early diastolic annular velocities (e') were also assessed using color tissue Doppler images. The primary endpoints were changes in the ratio of E to A (E/A), e', and the ratio of E to e' (E/e') from baseline. Results Pemafibrate significantly increased average e' (7.24 ± 0.58 vs 7.94 ± 0.67, p = 0.019) and a significant reduction in E/e' (9.01 ± 0.94 vs 8.20 ± 0.91, p = 0.041). The increase in e' was significantly related to increases in fasting blood glucose (r = 0.607, p = 0.021) and non-esterified fatty acid (r = 0.592, p = 0.026). Conclusion Pemafibrate improved diastolic function in patients with T2D and hypertriglyceridemia, suggesting that PPARα activation by pemafibrate prevents the development of DCM at an early stage.
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Affiliation(s)
- Kaoru Yamamoto
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
| | - Yasuharu Ohta
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
- Department of Diabetes Research, School of Medicine, Yamaguchi University, Ube, Yamaguchi Japan
| | - Akihiko Taguchi
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
| | - Masaru Akiyama
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
| | - Hiroko Nakabayashi
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
| | - Yuko Nagao
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
| | - Hatanaka Ryoko
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
| | - Yasuaki Wada
- Division of Laboratory, Yamaguchi University Hospital, Ube, Yamaguchi Japan
| | - Takeshi Yamamoto
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yukio Tanizawa
- Department of Endocrinology, Metabolism, Hematological Science and Therapeutics, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi Japan
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Abe K, Akhlaq N, Akutsu R, Ali A, Alonso Monsalve S, Alt C, Andreopoulos C, Antonova M, Aoki S, Arihara T, Asada Y, Ashida Y, Atkin ET, Barbi M, Barker GJ, Barr G, Barrow D, Batkiewicz-Kwasniak M, Bench F, Berardi V, Berns L, Bhadra S, Blanchet A, Blondel A, Bolognesi S, Bonus T, Bordoni S, Boyd SB, Bravar A, Bronner C, Bron S, Bubak A, Buizza Avanzini M, Caballero JA, Calabria NF, Cao S, Carabadjac D, Carter AJ, Cartwright SL, Catanesi MG, Cervera A, Chakrani J, Cherdack D, Chong PS, Christodoulou G, Chvirova A, Cicerchia M, Coleman J, Collazuol G, Cook L, Cudd A, Dalmazzone C, Daret T, Davydov YI, De Roeck A, De Rosa G, Dealtry T, Delogu CC, Densham C, Dergacheva A, Di Lodovico F, Dolan S, Douqa D, Doyle TA, Drapier O, Dumarchez J, Dunne P, Dygnarowicz K, Eguchi A, Emery-Schrenk S, Erofeev G, Ershova A, Eurin G, Fedorova D, Fedotov S, Feltre M, Finch AJ, Fiorentini Aguirre GA, Fiorillo G, Fitton MD, Franco Patiño JM, Friend M, Fujii Y, Fukuda Y, Fusshoeller K, Giannessi L, Giganti C, Glagolev V, Gonin M, González Rosa J, Goodman EAG, Gorin A, Grassi M, Guigue M, Hadley DR, Haigh JT, Hamacher-Baumann P, Harris DA, Hartz M, Hasegawa T, Hassani S, Hastings NC, Hayato Y, Henaff D, Hiramoto A, Hogan M, Holeczek J, Holin A, Holvey T, Hong Van NT, Honjo T, Iacob F, Ichikawa AK, Ikeda M, Ishida T, Ishitsuka M, Israel HT, Iwamoto K, Izmaylov A, Izumi N, Jakkapu M, Jamieson B, Jenkins SJ, Jesús-Valls C, Jiang JJ, Jonsson P, Joshi S, Jung CK, Jurj PB, Kabirnezhad M, Kaboth AC, Kajita T, Kakuno H, Kameda J, Kasetti SP, Kataoka Y, Katayama Y, Katori T, Kawaue M, Kearns E, Khabibullin M, Khotjantsev A, Kikawa T, Kikutani H, King S, Kiseeva V, Kisiel J, Kobata T, Kobayashi H, Kobayashi T, Koch L, Kodama S, Konaka A, Kormos LL, Koshio Y, Kostin A, Koto T, Kowalik K, Kudenko Y, Kudo Y, Kuribayashi S, Kurjata R, Kutter T, Kuze M, La Commara M, Labarga L, Lachner K, Lagoda J, Lakshmi SM, Lamers James M, Lamoureux M, Langella A, Laporte JF, Last D, Latham N, Laveder M, Lavitola L, Lawe M, Lee Y, Lin C, Lin SK, Litchfield RP, Liu SL, Li W, Longhin A, Long KR, Lopez Moreno A, Ludovici L, Lu X, Lux T, Machado LN, Magaletti L, Mahn K, Malek M, Mandal M, Manly S, Marino AD, Marti-Magro L, Martin DGR, Martini M, Martin JF, Maruyama T, Matsubara T, Matveev V, Mauger C, Mavrokoridis K, Mazzucato E, McCauley N, McElwee J, McFarland KS, McGrew C, McKean J, Mefodiev A, Megias GD, Mehta P, Mellet L, Metelko C, Mezzetto M, Miller E, Minamino A, Mineev O, Mine S, Miura M, Molina Bueno L, Moriyama S, Moriyama S, Morrison P, Mueller TA, Munford D, Munteanu L, Nagai K, Nagai Y, Nakadaira T, Nakagiri K, Nakahata M, Nakajima Y, Nakamura A, Nakamura H, Nakamura K, Nakamura KD, Nakano Y, Nakayama S, Nakaya T, Nakayoshi K, Naseby CER, Ngoc TV, Nguyen VQ, Niewczas K, Nishimori S, Nishimura Y, Nishizaki K, Nosek T, Nova F, Novella P, Nugent JC, O’Keeffe HM, O’Sullivan L, Odagawa T, Ogawa T, Okada R, Okinaga W, Okumura K, Okusawa T, Ospina N, Owen RA, Oyama Y, Palladino V, Paolone V, Pari M, Parlone J, Parsa S, Pasternak J, Pavin M, Payne D, Penn GC, Pershey D, Pickering L, Pidcott C, Pintaudi G, Pistillo C, Popov B, Porwit K, Posiadala-Zezula M, Prabhu YS, Pupilli F, Quilain B, Radermacher T, Radicioni E, Radics B, Ramírez MA, Ratoff PN, Reh M, Riccio C, Rondio E, Roth S, Roy N, Rubbia A, Ruggeri AC, Ruggles CA, Rychter A, Sakashita K, Sánchez F, Santucci G, Schloesser CM, Scholberg K, Scott M, Seiya Y, Sekiguchi T, Sekiya H, Sgalaberna D, Shaikhiev A, Shaker F, Shaykina A, Shiozawa M, Shorrock W, Shvartsman A, Skrobova N, Skwarczynski K, Smyczek D, Smy M, Sobczyk JT, Sobel H, Soler FJP, Sonoda Y, Speers AJ, Spina R, Suslov IA, Suvorov S, Suzuki A, Suzuki SY, Suzuki Y, Sztuc AA, Tada M, Tairafune S, Takayasu S, Takeda A, Takeuchi Y, Takifuji K, Tanaka HK, Tanihara Y, Tani M, Teklu A, Tereshchenko VV, Teshima N, Thamm N, Thompson LF, Toki W, Touramanis C, Towstego T, Tsui KM, Tsukamoto T, Tzanov M, Uchida Y, Vagins M, Vargas D, Varghese M, Vasseur G, Vilela C, Villa E, Vinning WGS, Virginet U, Vladisavljevic T, Wachala T, Walsh JG, Wang Y, Wan L, Wark D, Wascko MO, Weber A, Wendell R, Wilking MJ, Wilkinson C, Wilson JR, Wood K, Wret C, Xia J, Xu YH, Yamamoto K, Yamamoto T, Yanagisawa C, Yang G, Yano T, Yasutome K, Yershov N, Yevarouskaya U, Yokoyama M, Yoshimoto Y, Yoshimura N, Yu M, Zaki R, Zalewska A, Zalipska J, Zaremba K, Zarnecki G, Zhao X, Zhu T, Ziembicki M, Zimmerman ED, Zito M, Zsoldos S. Measurements of neutrino oscillation parameters from the T2K experiment using 3.6×1021 protons on target. Eur Phys J C Part Fields 2023; 83:782. [PMID: 37680254 PMCID: PMC10480298 DOI: 10.1140/epjc/s10052-023-11819-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/10/2023] [Indexed: 09/09/2023]
Abstract
The T2K experiment presents new measurements of neutrino oscillation parameters using 19.7 ( 16.3 ) × 10 20 protons on target (POT) in (anti-)neutrino mode at the far detector (FD). Compared to the previous analysis, an additional 4.7 × 10 20 POT neutrino data was collected at the FD. Significant improvements were made to the analysis methodology, with the near-detector analysis introducing new selections and using more than double the data. Additionally, this is the first T2K oscillation analysis to use NA61/SHINE data on a replica of the T2K target to tune the neutrino flux model, and the neutrino interaction model was improved to include new nuclear effects and calculations. Frequentist and Bayesian analyses are presented, including results on sin 2 θ 13 and the impact of priors on the δ CP measurement. Both analyses prefer the normal mass ordering and upper octant of sin 2 θ 23 with a nearly maximally CP-violating phase. Assuming the normal ordering and using the constraint on sin 2 θ 13 from reactors, sin 2 θ 23 = 0 . 561 - 0.032 + 0.021 using Feldman-Cousins corrected intervals, and Δ m 32 2 = 2 . 494 - 0.058 + 0.041 × 10 - 3 eV 2 using constant Δ χ 2 intervals. The CP-violating phase is constrained to δ CP = - 1 . 97 - 0.70 + 0.97 using Feldman-Cousins corrected intervals, and δ CP = 0 , π is excluded at more than 90% confidence level. A Jarlskog invariant of zero is excluded at more than 2 σ credible level using a flat prior in δ CP , and just below 2 σ using a flat prior in sin δ CP . When the external constraint on sin 2 θ 13 is removed, sin 2 θ 13 = 28 . 0 - 6.5 + 2.8 × 10 - 3 , in agreement with measurements from reactor experiments. These results are consistent with previous T2K analyses.
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Affiliation(s)
- K. Abe
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - N. Akhlaq
- School of Physics and Astronomy, Queen Mary University of London, London, UK
| | - R. Akutsu
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
| | - A. Ali
- TRIUMF, Vancouver, BC Canada
- Department of Physics, University of Winnipeg, Winnipeg, MB Canada
| | - S. Alonso Monsalve
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
| | - C. Alt
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
| | - C. Andreopoulos
- Department of Physics, University of Liverpool, Liverpool, UK
| | - M. Antonova
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - S. Aoki
- Kobe University, Kobe, Japan
| | - T. Arihara
- Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
| | - Y. Asada
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - Y. Ashida
- Department of Physics, Kyoto University, Kyoto, Japan
| | - E. T. Atkin
- Department of Physics, Imperial College London, London, UK
| | - M. Barbi
- Department of Physics, University of Regina, Regina, Saskatchewan Canada
| | - G. J. Barker
- Department of Physics, University of Warwick, Coventry, UK
| | - G. Barr
- Department of Physics, Oxford University, Oxford, UK
| | - D. Barrow
- Department of Physics, Oxford University, Oxford, UK
| | | | - F. Bench
- Department of Physics, University of Liverpool, Liverpool, UK
| | - V. Berardi
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - L. Berns
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
| | - S. Bhadra
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - A. Blanchet
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - A. Blondel
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - S. Bolognesi
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - T. Bonus
- Faculty of Physics and Astronomy, Wroclaw University, Wrocław, Poland
| | - S. Bordoni
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - S. B. Boyd
- Department of Physics, University of Warwick, Coventry, UK
| | - A. Bravar
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - C. Bronner
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - S. Bron
- TRIUMF, Vancouver, BC Canada
| | - A. Bubak
- Institute of Physics, University of Silesia, Katowice, Poland
| | - M. Buizza Avanzini
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - J. A. Caballero
- Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain
| | - N. F. Calabria
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - S. Cao
- Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam
| | - D. Carabadjac
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
- Université Paris-Saclay, Gif-sur-Yvette, France
| | - A. J. Carter
- Department of Physics, Royal Holloway University of London, Egham, Surrey UK
| | - S. L. Cartwright
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
| | - M. G. Catanesi
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - A. Cervera
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J. Chakrani
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - D. Cherdack
- Department of Physics, University of Houston, Houston, TX USA
| | - P. S. Chong
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - G. Christodoulou
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - A. Chvirova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M. Cicerchia
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
- INFN-Laboratori Nazionali di Legnaro, Legnaro, Italy
| | - J. Coleman
- Department of Physics, University of Liverpool, Liverpool, UK
| | - G. Collazuol
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - L. Cook
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Department of Physics, Oxford University, Oxford, UK
| | - A. Cudd
- Department of Physics, University of Colorado at Boulder, Boulder, CO USA
| | - C. Dalmazzone
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - T. Daret
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - Yu. I. Davydov
- Joint Institute for Nuclear Research, Dubna, Moscow Region Russia
| | - A. De Roeck
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - G. De Rosa
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - T. Dealtry
- Physics Department, Lancaster University, Lancaster, UK
| | - C. C. Delogu
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - C. Densham
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - A. Dergacheva
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F. Di Lodovico
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - S. Dolan
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - D. Douqa
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - T. A. Doyle
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - O. Drapier
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - J. Dumarchez
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - P. Dunne
- Department of Physics, Imperial College London, London, UK
| | - K. Dygnarowicz
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland
| | - A. Eguchi
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - S. Emery-Schrenk
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - G. Erofeev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A. Ershova
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - G. Eurin
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - D. Fedorova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S. Fedotov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M. Feltre
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - A. J. Finch
- Physics Department, Lancaster University, Lancaster, UK
| | | | - G. Fiorillo
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - M. D. Fitton
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - J. M. Franco Patiño
- Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain
| | - M. Friend
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - Y. Fujii
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - Y. Fukuda
- Department of Physics, Miyagi University of Education, Sendai, Japan
| | - K. Fusshoeller
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
| | - L. Giannessi
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - C. Giganti
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - V. Glagolev
- Joint Institute for Nuclear Research, Dubna, Moscow Region Russia
| | - M. Gonin
- ILANCE, CNRS-University of Tokyo International Research Laboratory, Kashiwa, Chiba 277-8582 Japan
| | - J. González Rosa
- Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain
| | - E. A. G. Goodman
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
| | - A. Gorin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M. Grassi
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - M. Guigue
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - D. R. Hadley
- Department of Physics, University of Warwick, Coventry, UK
| | - J. T. Haigh
- Department of Physics, University of Warwick, Coventry, UK
| | | | - D. A. Harris
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - M. Hartz
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- TRIUMF, Vancouver, BC Canada
| | - T. Hasegawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - S. Hassani
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - N. C. Hastings
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
| | - Y. Hayato
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - D. Henaff
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - A. Hiramoto
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M. Hogan
- Department of Physics, Colorado State University, Fort Collins, Colorado USA
| | - J. Holeczek
- Institute of Physics, University of Silesia, Katowice, Poland
| | - A. Holin
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - T. Holvey
- Department of Physics, Oxford University, Oxford, UK
| | - N. T. Hong Van
- International Centre of Physics, Institute of Physics (IOP), Vietnam Academy of Science and Technology (VAST), 10 Dao Tan, Ba Dinh, Hanoi, Vietnam
| | - T. Honjo
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - F. Iacob
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - A. K. Ichikawa
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
| | - M. Ikeda
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - T. Ishida
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - M. Ishitsuka
- Department of Physics, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba Japan
| | - H. T. Israel
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
| | - K. Iwamoto
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - A. Izmaylov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - N. Izumi
- Department of Physics, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba Japan
| | - M. Jakkapu
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
| | - B. Jamieson
- Department of Physics, University of Winnipeg, Winnipeg, MB Canada
| | - S. J. Jenkins
- Department of Physics, University of Liverpool, Liverpool, UK
| | - C. Jesús-Valls
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
| | - J. J. Jiang
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - P. Jonsson
- Department of Physics, Imperial College London, London, UK
| | - S. Joshi
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - C. K. Jung
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - P. B. Jurj
- Department of Physics, Imperial College London, London, UK
| | - M. Kabirnezhad
- Department of Physics, Imperial College London, London, UK
| | - A. C. Kaboth
- Department of Physics, Royal Holloway University of London, Egham, Surrey UK
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - T. Kajita
- Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - H. Kakuno
- Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
| | - J. Kameda
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - S. P. Kasetti
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA USA
| | - Y. Kataoka
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - Y. Katayama
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - T. Katori
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - M. Kawaue
- Department of Physics, Kyoto University, Kyoto, Japan
| | - E. Kearns
- Department of Physics, Boston University, Boston, MA USA
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - M. Khabibullin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - A. Khotjantsev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T. Kikawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - H. Kikutani
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - S. King
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - V. Kiseeva
- Joint Institute for Nuclear Research, Dubna, Moscow Region Russia
| | - J. Kisiel
- Institute of Physics, University of Silesia, Katowice, Poland
| | - T. Kobata
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - H. Kobayashi
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - T. Kobayashi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - L. Koch
- Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany
| | - S. Kodama
- Department of Physics, University of Tokyo, Tokyo, Japan
| | | | - L. L. Kormos
- Physics Department, Lancaster University, Lancaster, UK
| | - Y. Koshio
- Department of Physics, Okayama University, Okayama, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - A. Kostin
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - T. Koto
- Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
| | - K. Kowalik
- National Centre for Nuclear Research, Warsaw, Poland
| | - Y. Kudenko
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
- Moscow Institute of Physics and Technology (MIPT), Moscow Region, Russia and National Research Nuclear University “MEPhI”, Moscow, Russia
| | - Y. Kudo
- Department of Physics, Yokohama National University, Yokohama, Japan
| | | | - R. Kurjata
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland
| | - T. Kutter
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA USA
| | - M. Kuze
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
| | - M. La Commara
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - L. Labarga
- Department of Theoretical Physics, University Autonoma Madrid, 28049 Madrid, Spain
| | - K. Lachner
- Department of Physics, University of Warwick, Coventry, UK
| | - J. Lagoda
- National Centre for Nuclear Research, Warsaw, Poland
| | - S. M. Lakshmi
- National Centre for Nuclear Research, Warsaw, Poland
| | - M. Lamers James
- Physics Department, Lancaster University, Lancaster, UK
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - M. Lamoureux
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - A. Langella
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - J.-F. Laporte
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - D. Last
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - N. Latham
- Department of Physics, University of Warwick, Coventry, UK
| | - M. Laveder
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - L. Lavitola
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - M. Lawe
- Physics Department, Lancaster University, Lancaster, UK
| | - Y. Lee
- Department of Physics, Kyoto University, Kyoto, Japan
| | - C. Lin
- Department of Physics, Imperial College London, London, UK
| | - S.-K. Lin
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA USA
| | - R. P. Litchfield
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
| | - S. L. Liu
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - W. Li
- Department of Physics, Oxford University, Oxford, UK
| | - A. Longhin
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - K. R. Long
- Department of Physics, Imperial College London, London, UK
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - A. Lopez Moreno
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - L. Ludovici
- INFN Sezione di Roma and Università di Roma “La Sapienza”, Rome, Italy
| | - X. Lu
- Department of Physics, University of Warwick, Coventry, UK
| | - T. Lux
- Institut de Fisica d’Altes Energies (IFAE)-The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, Barcelona Spain
| | - L. N. Machado
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
| | - L. Magaletti
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - K. Mahn
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI USA
| | - M. Malek
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
| | - M. Mandal
- National Centre for Nuclear Research, Warsaw, Poland
| | - S. Manly
- Department of Physics and Astronomy, University of Rochester, Rochester, NY USA
| | - A. D. Marino
- Department of Physics, University of Colorado at Boulder, Boulder, CO USA
| | - L. Marti-Magro
- Department of Physics, Yokohama National University, Yokohama, Japan
| | | | - M. Martini
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
- IPSA-DRII, Ivry-sur-Seine, France
| | - J. F. Martin
- Department of Physics, University of Toronto, Toronto, ON Canada
| | - T. Maruyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - T. Matsubara
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
| | - V. Matveev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - C. Mauger
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - K. Mavrokoridis
- Department of Physics, University of Liverpool, Liverpool, UK
| | - E. Mazzucato
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - N. McCauley
- Department of Physics, University of Liverpool, Liverpool, UK
| | - J. McElwee
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
| | - K. S. McFarland
- Department of Physics and Astronomy, University of Rochester, Rochester, NY USA
| | - C. McGrew
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - J. McKean
- Department of Physics, Imperial College London, London, UK
| | - A. Mefodiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - G. D. Megias
- Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain
| | - P. Mehta
- Department of Physics, University of Liverpool, Liverpool, UK
| | - L. Mellet
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - C. Metelko
- Department of Physics, University of Liverpool, Liverpool, UK
| | - M. Mezzetto
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - E. Miller
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - A. Minamino
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - O. Mineev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - S. Mine
- Department of Physics and Astronomy, University of California, Irvine, Irvine, CA USA
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - M. Miura
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | | | - S. Moriyama
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - S. Moriyama
- Department of Physics, Yokohama National University, Yokohama, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - P. Morrison
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
| | - Th. A. Mueller
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - D. Munford
- Department of Physics, University of Houston, Houston, TX USA
| | - L. Munteanu
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - K. Nagai
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - Y. Nagai
- Department of Atomic Physics, Eötvös Loránd University, Budapest, Hungary
| | - T. Nakadaira
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - K. Nakagiri
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - M. Nakahata
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - Y. Nakajima
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - A. Nakamura
- Department of Physics, Okayama University, Okayama, Japan
| | - H. Nakamura
- Department of Physics, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba Japan
| | - K. Nakamura
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- J-PARC, Tokai, Japan
| | - K. D. Nakamura
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
| | - Y. Nakano
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - S. Nakayama
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - T. Nakaya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Department of Physics, Kyoto University, Kyoto, Japan
| | - K. Nakayoshi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | | | - T. V. Ngoc
- Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam
- The Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - V. Q. Nguyen
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - K. Niewczas
- Faculty of Physics and Astronomy, Wroclaw University, Wrocław, Poland
| | - S. Nishimori
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
| | - Y. Nishimura
- Department of Physics, Keio University, Yokohama, Kanagawa Japan
| | - K. Nishizaki
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - T. Nosek
- National Centre for Nuclear Research, Warsaw, Poland
| | - F. Nova
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - P. Novella
- IFIC (CSIC and University of Valencia), Valencia, Spain
| | - J. C. Nugent
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
| | | | - L. O’Sullivan
- Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany
| | - T. Odagawa
- Department of Physics, Kyoto University, Kyoto, Japan
| | - T. Ogawa
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
| | - R. Okada
- Department of Physics, Okayama University, Okayama, Japan
| | - W. Okinaga
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - K. Okumura
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Japan
| | - T. Okusawa
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - N. Ospina
- Department of Theoretical Physics, University Autonoma Madrid, 28049 Madrid, Spain
| | - R. A. Owen
- School of Physics and Astronomy, Queen Mary University of London, London, UK
| | - Y. Oyama
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - V. Palladino
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - V. Paolone
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA USA
| | - M. Pari
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - J. Parlone
- Department of Physics, University of Liverpool, Liverpool, UK
| | - S. Parsa
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - J. Pasternak
- Department of Physics, Imperial College London, London, UK
| | | | - D. Payne
- Department of Physics, University of Liverpool, Liverpool, UK
| | - G. C. Penn
- Department of Physics, University of Liverpool, Liverpool, UK
| | - D. Pershey
- Department of Physics, Duke University, Durham, NC USA
| | - L. Pickering
- Department of Physics, Royal Holloway University of London, Egham, Surrey UK
| | - C. Pidcott
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
| | - G. Pintaudi
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - C. Pistillo
- Laboratory for High Energy Physics (LHEP), Albert Einstein Center for Fundamental Physics, University of Bern, Bern, Switzerland
| | - B. Popov
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
- JINR, Dubna, Russia
| | - K. Porwit
- Institute of Physics, University of Silesia, Katowice, Poland
| | | | - Y. S. Prabhu
- National Centre for Nuclear Research, Warsaw, Poland
| | - F. Pupilli
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
| | - B. Quilain
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
| | - T. Radermacher
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - E. Radicioni
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - B. Radics
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - M. A. Ramírez
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104 USA
| | - P. N. Ratoff
- Physics Department, Lancaster University, Lancaster, UK
| | - M. Reh
- Department of Physics, University of Colorado at Boulder, Boulder, CO USA
| | - C. Riccio
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - E. Rondio
- National Centre for Nuclear Research, Warsaw, Poland
| | - S. Roth
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - N. Roy
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - A. Rubbia
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
| | - A. C. Ruggeri
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
| | - C. A. Ruggles
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
| | - A. Rychter
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland
| | - K. Sakashita
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - F. Sánchez
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - G. Santucci
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - C. M. Schloesser
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | - K. Scholberg
- Department of Physics, Duke University, Durham, NC USA
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - M. Scott
- Department of Physics, Imperial College London, London, UK
| | - Y. Seiya
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
- Science Department, BMCC/CUNY, New York, NY USA
| | - T. Sekiguchi
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - H. Sekiya
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - D. Sgalaberna
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
| | - A. Shaikhiev
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - F. Shaker
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - A. Shaykina
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - M. Shiozawa
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - W. Shorrock
- Department of Physics, Imperial College London, London, UK
| | - A. Shvartsman
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - N. Skrobova
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | | | - D. Smyczek
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - M. Smy
- Department of Physics and Astronomy, University of California, Irvine, Irvine, CA USA
| | - J. T. Sobczyk
- Faculty of Physics and Astronomy, Wroclaw University, Wrocław, Poland
| | - H. Sobel
- Department of Physics and Astronomy, University of California, Irvine, Irvine, CA USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
| | - F. J. P. Soler
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
| | - Y. Sonoda
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - A. J. Speers
- Physics Department, Lancaster University, Lancaster, UK
| | - R. Spina
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
| | - I. A. Suslov
- Joint Institute for Nuclear Research, Dubna, Moscow Region Russia
| | - S. Suvorov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | | | - S. Y. Suzuki
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - Y. Suzuki
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
| | - A. A. Sztuc
- Department of Physics, Imperial College London, London, UK
| | - M. Tada
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - S. Tairafune
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
| | - S. Takayasu
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - A. Takeda
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - Y. Takeuchi
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Kobe University, Kobe, Japan
| | - K. Takifuji
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
| | - H. K. Tanaka
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - Y. Tanihara
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - M. Tani
- Department of Physics, Kyoto University, Kyoto, Japan
| | - A. Teklu
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | | | - N. Teshima
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - N. Thamm
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
| | - L. F. Thompson
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
| | - W. Toki
- Department of Physics, Colorado State University, Fort Collins, Colorado USA
| | - C. Touramanis
- Department of Physics, University of Liverpool, Liverpool, UK
| | - T. Towstego
- Department of Physics, University of Toronto, Toronto, ON Canada
| | - K. M. Tsui
- Department of Physics, University of Liverpool, Liverpool, UK
| | - T. Tsukamoto
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- J-PARC, Tokai, Japan
| | - M. Tzanov
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA USA
| | - Y. Uchida
- Department of Physics, Imperial College London, London, UK
| | - M. Vagins
- Department of Physics and Astronomy, University of California, Irvine, Irvine, CA USA
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
| | - D. Vargas
- Institut de Fisica d’Altes Energies (IFAE)-The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, Barcelona Spain
| | - M. Varghese
- Institut de Fisica d’Altes Energies (IFAE)-The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, Barcelona Spain
| | - G. Vasseur
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
| | - C. Vilela
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
| | - E. Villa
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
| | | | - U. Virginet
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | | | - T. Wachala
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J. G. Walsh
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI USA
| | - Y. Wang
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - L. Wan
- Department of Physics, Boston University, Boston, MA USA
| | - D. Wark
- Department of Physics, Oxford University, Oxford, UK
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
| | - M. O. Wascko
- Department of Physics, Imperial College London, London, UK
| | - A. Weber
- Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany
| | - R. Wendell
- Department of Physics, Kyoto University, Kyoto, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - M. J. Wilking
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - C. Wilkinson
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
| | - J. R. Wilson
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - K. Wood
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
| | - C. Wret
- Department of Physics, Oxford University, Oxford, UK
| | - J. Xia
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
| | - Y.-H. Xu
- Physics Department, Lancaster University, Lancaster, UK
| | - K. Yamamoto
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
- Nambu Yoichiro Institute of Theoretical and Experimental Physics (NITEP), Osaka, Japan
| | - T. Yamamoto
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
| | - C. Yanagisawa
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
- Science Department, BMCC/CUNY, New York, NY USA
| | - G. Yang
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
| | - T. Yano
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
| | - K. Yasutome
- Department of Physics, Kyoto University, Kyoto, Japan
| | - N. Yershov
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
| | - U. Yevarouskaya
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - M. Yokoyama
- Department of Physics, University of Tokyo, Tokyo, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
| | - Y. Yoshimoto
- Department of Physics, University of Tokyo, Tokyo, Japan
| | - N. Yoshimura
- Department of Physics, Kyoto University, Kyoto, Japan
| | - M. Yu
- Department of Physics, Yokohama National University, Yokohama, Japan
| | - R. Zaki
- Department of Physics and Astronomy, York University, Toronto, ON Canada
| | - A. Zalewska
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - J. Zalipska
- National Centre for Nuclear Research, Warsaw, Poland
| | - K. Zaremba
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland
| | - G. Zarnecki
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
| | - X. Zhao
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
| | - T. Zhu
- Department of Physics, Imperial College London, London, UK
| | - M. Ziembicki
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland
| | - E. D. Zimmerman
- Department of Physics, University of Colorado at Boulder, Boulder, CO USA
| | - M. Zito
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
| | - S. Zsoldos
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
| | - T2K Collaboration
- Department of Theoretical Physics, University Autonoma Madrid, 28049 Madrid, Spain
- Laboratory for High Energy Physics (LHEP), Albert Einstein Center for Fundamental Physics, University of Bern, Bern, Switzerland
- Department of Physics, Boston University, Boston, MA USA
- Department of Physics and Astronomy, University of California, Irvine, Irvine, CA USA
- IRFU, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
- Department of Physics, University of Colorado at Boulder, Boulder, CO USA
- Department of Physics, Colorado State University, Fort Collins, Colorado USA
- Department of Physics, Duke University, Durham, NC USA
- Department of Atomic Physics, Eötvös Loránd University, Budapest, Hungary
- Institute for Particle Physics and Astrophysics, ETH Zurich, Zurich, Switzerland
- CERN European Organization for Nuclear Research, 1211 Geneva 23, Switzerland
- Section de Physique, DPNC, University of Geneva, Geneva, Switzerland
- School of Physics and Astronomy, University of Glasgow, Glasgow, UK
- H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland
- High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki Japan
- Department of Physics, University of Houston, Houston, TX USA
- Institut de Fisica d’Altes Energies (IFAE)-The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, Barcelona Spain
- Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany
- IFIC (CSIC and University of Valencia), Valencia, Spain
- Institute For Interdisciplinary Research in Science and Education (IFIRSE), ICISE, Quy Nhon, Vietnam
- Department of Physics, Imperial College London, London, UK
- Dipartimento Interuniversitario di Fisica, INFN Sezione di Bari and Università e Politecnico di Bari, Bari, Italy
- Dipartimento di Fisica, INFN Sezione di Napoli and Università di Napoli, Naples, Italy
- Dipartimento di Fisica, INFN Sezione di Padova and Università di Padova, Padua, Italy
- INFN Sezione di Roma and Università di Roma “La Sapienza”, Rome, Italy
- Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia
- International Centre of Physics, Institute of Physics (IOP), Vietnam Academy of Science and Technology (VAST), 10 Dao Tan, Ba Dinh, Hanoi, Vietnam
- ILANCE, CNRS-University of Tokyo International Research Laboratory, Kashiwa, Chiba 277-8582 Japan
- Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba Japan
- Department of Physics, Keio University, Yokohama, Kanagawa Japan
- Department of Physics, King’s College London, Strand, London, WC2R 2LS UK
- Kobe University, Kobe, Japan
- Department of Physics, Kyoto University, Kyoto, Japan
- Physics Department, Lancaster University, Lancaster, UK
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
- Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France
- Department of Physics, University of Liverpool, Liverpool, UK
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA USA
- Joint Institute for Nuclear Research, Dubna, Moscow Region Russia
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI USA
- Department of Physics, Miyagi University of Education, Sendai, Japan
- National Centre for Nuclear Research, Warsaw, Poland
- Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY USA
- Department of Physics, Okayama University, Okayama, Japan
- Department of Physics, Osaka Metropolitan University, Osaka, Japan
- Department of Physics, Oxford University, Oxford, UK
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104 USA
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA USA
- School of Physics and Astronomy, Queen Mary University of London, London, UK
- Department of Physics, University of Regina, Regina, Saskatchewan Canada
- Department of Physics and Astronomy, University of Rochester, Rochester, NY USA
- Department of Physics, Royal Holloway University of London, Egham, Surrey UK
- III. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
- Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain
- Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
- Institute of Physics, University of Silesia, Katowice, Poland
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université Paris Diderot, CNRS/IN2P3, Paris, France
- Rutherford Appleton Laboratory, STFC, Harwell, Oxford, UK
- Department of Physics, University of Tokyo, Tokyo, Japan
- Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Japan
- Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Japan
- Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
- Department of Physics, Tokyo Metropolitan University, Tokyo, Japan
- Department of Physics, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba Japan
- Department of Physics, University of Toronto, Toronto, ON Canada
- TRIUMF, Vancouver, BC Canada
- Faculty of Physics, University of Warsaw, Warsaw, Poland
- Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, Warsaw, Poland
- Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi Japan
- Department of Physics, University of Warwick, Coventry, UK
- Department of Physics, University of Winnipeg, Winnipeg, MB Canada
- Faculty of Physics and Astronomy, Wroclaw University, Wrocław, Poland
- Department of Physics, Yokohama National University, Yokohama, Japan
- Department of Physics and Astronomy, York University, Toronto, ON Canada
- Université Paris-Saclay, Gif-sur-Yvette, France
- INFN-Laboratori Nazionali di Legnaro, Legnaro, Italy
- J-PARC, Tokai, Japan
- Kavli IPMU (WPI), The University of Tokyo, Tokyo, Japan
- Moscow Institute of Physics and Technology (MIPT), Moscow Region, Russia and National Research Nuclear University “MEPhI”, Moscow, Russia
- IPSA-DRII, Ivry-sur-Seine, France
- The Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
- JINR, Dubna, Russia
- Nambu Yoichiro Institute of Theoretical and Experimental Physics (NITEP), Osaka, Japan
- Science Department, BMCC/CUNY, New York, NY USA
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Kobayashi S, Yamamoto T, Yano M. RyR2-stabilization therapy with dantrolene against left ventricular remodeling and lethal arrhythmia in heart failure. J Mol Cell Cardiol 2023; 182:25-27. [PMID: 37419178 DOI: 10.1016/j.yjmcc.2023.07.002] [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: 06/21/2023] [Accepted: 07/03/2023] [Indexed: 07/09/2023]
Affiliation(s)
- Shigeki Kobayashi
- Department of Therapeutic Science for Heart Failure in the Elderly, Yamaguchi University School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan.
| | - Takeshi Yamamoto
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Masafumi Yano
- Department of Therapeutic Science for Heart Failure in the Elderly, Yamaguchi University School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
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31
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Mizuguchi D, Yamamoto T, Omiya Y, Endo K, Tano K, Oya M, Takano S. Novel Screening Tool Using Non-linguistic Voice Features Derived from Simple Phrases to Detect Mild Cognitive Impairment and Dementia. JAR Life 2023; 12:72-76. [PMID: 37637273 PMCID: PMC10450207 DOI: 10.14283/jarlife.2023.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/13/2023] [Indexed: 08/29/2023]
Abstract
Appropriate intervention and care in detecting cognitive impairment early are essential to effectively prevent the progression of cognitive deterioration. Diagnostic voice analysis is a noninvasive and inexpensive screening method that could be useful for detecting cognitive deterioration at earlier stages such as mild cognitive impairment. We aimed to distinguish between patients with dementia or mild cognitive impairment and healthy controls by using purely acoustic features (i.e., nonlinguistic features) extracted from two simple phrases. Voice was analyzed on 195 recordings from 150 patients (age, 45-95 years). We applied a machine learning algorithm (LightGBM; Microsoft, Redmond, WA, USA) to test whether the healthy control, mild cognitive impairment, and dementia groups could be accurately classified, based on acoustic features. Our algorithm performed well: area under the curve was 0.81 and accuracy, 66.7% for the 3-class classification. Thus, our vocal biomarker is useful for automated assistance in diagnosing early cognitive deterioration.
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Affiliation(s)
| | | | | | - K Endo
- PST Inc., Yokohama, Japan
| | - K Tano
- Takeyama Hospital, Yokohama, Japan
| | - M Oya
- Takeyama Hospital, Yokohama, Japan
| | - S Takano
- Honjo Kodama Hospital, Honjo, Japan
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32
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Okuno M, Tsuru N, Yoshino S, Gotoh Y, Yamamoto T, Hayashi T, Ogura Y. Isolation and Genomic Characterization of a Heat-Labile Enterotoxin 1-Producing Escherichia fergusonii Strain from a Human. Microbiol Spectr 2023; 11:e0049123. [PMID: 37432125 PMCID: PMC10434266 DOI: 10.1128/spectrum.00491-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 06/23/2023] [Indexed: 07/12/2023] Open
Abstract
Escherichia fergusonii strains have been isolated from patients with diarrhea, but their virulence determinant has not been well elucidated. Here, we report the first isolation of a heat-labile enterotoxin 1 (LT1)-producing E. fergusonii strain (strain 30038) from a patient in Japan. The complete genome sequence of strain 30038 was determined and subjected to comparative genomics and phylogenetic analyses with 195 publicly available genomes of E. fergusonii. In addition to strain 30038, the elt1 gene was also identified in an E. fergusonii strain that is phylogenetically distinct and which was isolated from poultry in the United Kingdom. Fine genomic comparison revealed that these two strains share comparable elt1-bearing plasmids. However, an intriguing distinction arises in strain 30038, wherein the plasmid has integrated into the chromosome via a recombination process mediated by an insertion sequence. The production of active LT1 toxin by strain 30038 was verified through an in vitro assay using cultured cells. A large plasmid carrying 11 antimicrobial resistance genes was also identified in strain 30038. Our results indicate that extensive surveillance of elt1-positive E. fergusonii strains as diarrheagenic pathogens is needed. IMPORTANCE Escherichia fergusonii, a species closely related to Escherichia coli, is known to cause sporadic conditions in humans, including diarrhea. However, the critical virulence factors in E. fergusonii clinical isolates remain to be identified. This study shows the first isolation of an E. fergusonii strain carrying the elt1 gene, which encodes heat-labile enterotoxin 1, from a patient with diarrhea. Our analysis of public databases also revealed the presence of elt1-positive E. fergusonii strains isolated from poultry in the United Kingdom. Interestingly, while the elt1 gene in the poultry isolate was present on a large plasmid, in the human isolate it was integrated into the chromosome, which may confer stability on the elt1-carrying genetic element. Our findings highlight the need for extensive surveillance of elt1-positive E. fergusonii strains in livestock animals.
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Affiliation(s)
- Miki Okuno
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Nami Tsuru
- Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki, Japan
| | - Shuji Yoshino
- Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki, Japan
| | - Yasuhiro Gotoh
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takeshi Yamamoto
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Tetsuya Hayashi
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshitoshi Ogura
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Japan
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Arao K, Yoshikawa T, Isogai T, Imori Y, Mochizuki H, Sakata K, Takaoka Y, Yamaguchi T, Nagao K, Yamamoto T, Takayama M. A study of takotsubo syndrome over 9 years at the Tokyo Cardiovascular Care Unit Network Registry. J Cardiol 2023; 82:93-99. [PMID: 36640906 DOI: 10.1016/j.jjcc.2022.12.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/04/2022] [Accepted: 12/17/2022] [Indexed: 01/13/2023]
Abstract
BACKGROUND Takotsubo syndrome (TTS) is an acute cardiovascular disease with clinical manifestations similar to those of acute myocardial infarction (AMI), and TTS sometimes occurs just after catastrophes. Large-scale studies of TTS in Japan are scarce, so we examined data over 9 years from Tokyo metropolitan acute cardiovascular care hospital network registry. METHODS A total of 1626 patients were diagnosed with TTS between 2010 and 2018 at Tokyo Cardiovascular Care Unit Network facilities, and data from all these patients were analyzed. We investigated annual and monthly captured incidence of TTS, temporal trend of the captured incidence proportion of TTS versus AMI, the occurrence of TTS on the day of the great earthquake, and we elucidated the prognostic factors for in-hospital death. RESULTS The annual incidence proportion of TTS versus AMI increased from 2.3 % to 4.5 % (p < 0.001) over 9 years. The mean TTS patient age was 74.4 years: the peak incidence of TTS was at 80 to 84 years of age for both male and female; females accounted for 78.5 % of patients. The monthly variation of the incidence of TTS was found (p = 0.009). In 2011, a total of 137 cases of TTS occurred, with as many as 6 occurring on March 11, the day of the Great East Japan Earthquake. There was a definable trigger for TTS in 64 % (physical: 36 %; emotional: 27 %; others: 2 %). All-cause in-hospital mortality was 5.3 % and was higher in males than in females (10.3 % vs 3.9 %; p < 0.001). Non-cardiac causes accounted for 62 % of in-hospital mortality. Factors at presentation that were associated with in-hospital all-cause mortality were male sex, low body mass index, and a high C-reactive protein level. CONCLUSIONS This study elucidated the clinical features, in-hospital outcomes, and their attributed factors in patients with TTS in real-world clinical practice in Japan.
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Affiliation(s)
- Kenshiro Arao
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan; Division of Cardiovascular Medicine, Nerima-Hikarigaoka Hospital, Tokyo, Japan.
| | - Tsutomu Yoshikawa
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Toshiaki Isogai
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Yoichi Imori
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Hiroki Mochizuki
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Konomi Sakata
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Yoshimitsu Takaoka
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Tetsuo Yamaguchi
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Ken Nagao
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Takeshi Yamamoto
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Morimasa Takayama
- Tokyo Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
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Yamamoto T, Harada K, Yoshino H, Nakamura M, Kobayashi Y, Yoshikawa T, Maejima Y, Otsuka T, Nagao K, Takayama M. Impact of the COVID-19 pandemic on incidence and mortality of emergency cardiovascular diseases in Tokyo. J Cardiol 2023; 82:134-139. [PMID: 36682714 PMCID: PMC9851953 DOI: 10.1016/j.jjcc.2023.01.001] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/22/2022] [Accepted: 12/15/2022] [Indexed: 01/21/2023]
Abstract
BACKGROUND The impact of the coronavirus disease 2019 (COVID-19) pandemic on the incidence and in-hospital mortality of emergency cardiovascular disease (CVD) has not been clarified in Japan. METHODS We compared the number of admissions and in-hospital mortality for emergency CVD during the pandemic (from January to December 2020) with those of pre-pandemic periods (from January 2018 to December 2019), using quarterly data from the Tokyo Cardiovascular Care Unit Network. The incidence rate in 2020 is compared with the average incidence rate observed in the same quarter of 2018 and 2019 and is presented as an incidence rate ratio (IRR) with 95 % confidence interval (CI). RESULTS The number of admissions for acute myocardial infarction during the pandemic was significantly lower than before the pandemic, with an IRR of 0.93 (95 % CI; 0.88-0.98). Similarly, the IRR for unstable angina was 0.78 (95 % CI; 0.72-0.83), for acute heart failure was 0.84 (95 % CI; 0.76-0.91), for acute aortic dissection was 0.88 (95 % CI; 0.78-0.98), and for ruptured aortic aneurysm was 0.75 (95 % CI; 0.62-0.88). In quarterly comparisons, the numbers of acute aortic diseases and emergency arrhythmia significantly decreased from July to September 2020, while those of other emergency CVDs significantly declined in the 2020 April-June period, which includes the first wave period in Japan. In-hospital mortality of emergency CVDs was unchanged from the pre-pandemic period, except for acute aortic dissection, which increased in odds ratio of 1.31 (95 % CI 1.10-1.57). CONCLUSIONS The COVID-19 pandemic significantly reduced the number of admissions for all emergency CVDs in all or part of the year. In-hospital mortality was unchanged from the pre-pandemic period, except for acute aortic dissection, which increased.
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Affiliation(s)
- Takeshi Yamamoto
- Tokyo CCU Network Council, Tokyo, Japan; Tokyo CCU Network Scientific Committee, Tokyo, Japan.
| | | | | | | | | | | | | | | | - Ken Nagao
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Morimasa Takayama
- Tokyo CCU Network Council, Tokyo, Japan; Tokyo CCU Network Scientific Committee, Tokyo, Japan
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35
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Inoue Y, Hsieh BH, Chen KH, Chu YK, Ito K, Kozakai C, Shishido T, Tomigami Y, Akutsu T, Haino S, Izumi K, Kajita T, Kanda N, Lin CS, Lin FK, Moriwaki Y, Ogaki W, Pang HF, Sawada T, Tomaru T, Suzuki T, Tsuchida S, Ushiba T, Washimi T, Yamamoto T, Yokozawa T. Development of advanced photon calibrator for Kamioka gravitational wave detector (KAGRA). Rev Sci Instrum 2023; 94:074502. [PMID: 37498166 DOI: 10.1063/5.0147888] [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: 02/27/2023] [Accepted: 06/20/2023] [Indexed: 07/28/2023]
Abstract
The Kamioka Gravitational wave detector (KAGRA) cryogenic gravitational-wave observatory has commenced joint observations with the worldwide gravitational wave detector network. Precise calibration of the detector response is essential for accurately estimating parameters of gravitational wave sources. A photon calibrator is a crucial calibration tool used in laser interferometer gravitational-wave observatory, Virgo, and KAGRA, and it was utilized in joint observation 3 with GEO600 in Germany in April 2020. In this paper, KAGRA implemented three key enhancements: a high-power laser, a power stabilization system, and remote beam position control. KAGRA employs a 20 W laser divided into two beams that are injected onto the mirror surface. By utilizing a high-power laser, the response of the detector at kHz frequencies can be calibrated. To independently control the power of each laser beam, an optical follower servo was installed for power stabilization. The optical path of the photon calibrator's beam positions was controlled using pico-motors, allowing for the characterization of the detector's rotation response. Additionally, a telephoto camera and quadrant photodetectors were installed to monitor beam positions, and beam position control was implemented to optimize the mirror response. In this paper, we discuss the statistical errors associated with the measurement of relative power noise. We also address systematic errors related to the power calibration model of the photon calibrator and the simulation of elastic deformation effects using finite element analysis. Ultimately, we have successfully reduced the total systematic error from the photon calibrator to 2.0%.
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Affiliation(s)
- Y Inoue
- Physics Department, National Central University, Taoyuan 32001, Taiwan
- Center for High Energy and High Field Physics (CHiP), National Central University, Taoyuan 32001, Taiwan
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
- High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan
| | - B H Hsieh
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
| | - K H Chen
- Physics Department, National Central University, Taoyuan 32001, Taiwan
- Center for High Energy and High Field Physics (CHiP), National Central University, Taoyuan 32001, Taiwan
- Molecular Sciences and Technology, Taiwan International Graduate Program, Academia Sinica, National Central University, Taipei, Taiwan
- Institute of Atomic and Molecular Science, Academia Sinica, Taipei 10617, Taiwan
| | - Y K Chu
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - K Ito
- Department of Physics, University of Toyama, Toyama 930-8555, Japan
| | - C Kozakai
- High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan
| | - T Shishido
- SOKENDAI (The Graduate University for Advanced Studies), Kanagawa 240-0115, Japan
| | - Y Tomigami
- Department of Physics, Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
| | - T Akutsu
- National Astronomical Observatory of Japan (NAOJ), 181-8588 Tokyo, Japan
| | - S Haino
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - K Izumi
- JAXA Institute of Space and Astronautical Science, Chuo-ku, Sagamihara City, Kanagawa 252-0222, Japan
| | - T Kajita
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
| | - N Kanda
- Physics Department, National Central University, Taoyuan 32001, Taiwan
| | - C S Lin
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - F K Lin
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan
| | - Y Moriwaki
- Department of Physics, University of Toyama, Toyama 930-8555, Japan
| | - W Ogaki
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
| | - H F Pang
- Physics Department, National Central University, Taoyuan 32001, Taiwan
- Center for High Energy and High Field Physics (CHiP), National Central University, Taoyuan 32001, Taiwan
| | - T Sawada
- Nambu Yoichiro Institute of Theoretical and Experimental Physics (NITEP), Osaka Metropolitan University, Osaka 558-8585, Japan
| | - T Tomaru
- Physics Department, National Central University, Taoyuan 32001, Taiwan
- High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Kanagawa 240-0115, Japan
| | - T Suzuki
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
| | - S Tsuchida
- Department of Physics, Graduate School of Science, Osaka Metropolitan University, Osaka 558-8585, Japan
| | - T Ushiba
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
| | - T Washimi
- High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan
| | - T Yamamoto
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
| | - T Yokozawa
- Institute for Cosmic Ray Research, The University of Tokyo, Chiba 277-8582, Japan
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Nawata J, Yamamoto T, Tanaka S, Yano Y, Uchida T, Fujii S, Nakamura Y, Suetomi T, Uchinoumi H, Oda T, Kobayashi S, Yano M. Dantrolene improves left ventricular diastolic property in mineralcorticoid-salt-induced hypertensive rats. Biochem Biophys Rep 2023; 34:101449. [PMID: 36926278 PMCID: PMC10011190 DOI: 10.1016/j.bbrep.2023.101449] [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: 12/22/2022] [Revised: 02/13/2023] [Accepted: 02/26/2023] [Indexed: 03/04/2023] Open
Abstract
Left ventricular (LV) diastolic dysfunction is increasingly common in heart failure with preserved ejection fraction (HFpEF), and new drug therapy is desired. We recently reported that dantrolene (DAN) attenuates pressure-overload induced hypertrophic signaling through stabilization of tetrameric structure of cardiac ryanodine receptor (RyR2). Because cardiac hypertrophy substantially affects LV diastolic properties, we investigated the effect of DAN on LV diastolic properties in mineralocorticoid-salt-induced hypertensive rat model exhibiting the HFpEF phenotype. Male Sprague-Dawley (SD) rats (8 weeks old) received an uninephrectomy (UNX), subcutaneous implantation of a 200 mg pellet of deoxycorticosterone acetate (DOCA), and 0.9% NaCl water (UNX + DOCA-salt). UNX, a control pellet, and water without NaCl served as controls (UNX control). The effect of oral administration of 100 mg/kg/d DAN was examined in UNX control and UNX + DOCA-salt groups (UNX + DAN and UNX + DOCA-salt + DAN). UNX + DOCA-salt treatment resulted in mild hypertension. Chronic administration of DAN to UNX + DOCA-salt rats (UNX + DOCA-salt + DAN) did not affect blood pressure. DAN treatment increased the mitral annular early relaxation velocity in the UNX + DOCA-salt group. The size of cardiomyocytes increased in the UNX + DOCA-salt group, whereas the increase was suppressed by DAN treatment. LV fibrotic area was significantly smaller in the UNX + DOCA-salt + DAN group than in the UNX + DOCA-salt group (2.0 ± 0.2% vs 4.0 ± 0.4%). The LV chamber stiffness significantly increased in the UNX + DOCA-salt group, whereas the increase was suppressed by DAN treatment. DAN treatment normalized the CaM-RyR2 interaction and inhibited aberrant Ca2+ release. DAN improved left ventricular diastolic properties with respect to both myocardial relaxation and chamber stiffness. DAN may be a new treatment option for HFpEF.
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Affiliation(s)
- Junya Nawata
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Takeshi Yamamoto
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Shinji Tanaka
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Yasutake Yano
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Tomoyuki Uchida
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Shohei Fujii
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Yoshihide Nakamura
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Takeshi Suetomi
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Hitoshi Uchinoumi
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Tetsuro Oda
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Shigeki Kobayashi
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
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37
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Miura M, Okuda S, Murata K, Ohno Y, Katou S, Nakao F, Ueyama T, Yamamoto T, Ikeda Y. The impact of geriatric nutritional risk index on one-year outcomes in hospitalized elderly patients with heart failure. Front Cardiovasc Med 2023; 10:1190548. [PMID: 37324617 PMCID: PMC10267999 DOI: 10.3389/fcvm.2023.1190548] [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: 03/21/2023] [Accepted: 05/16/2023] [Indexed: 06/17/2023] Open
Abstract
Background Strategies that accurately predict outcomes in elderly heart failure (HF) patients have not been sufficiently established. In previous reports, nutritional status, ability to perform activities of daily living (ADL), and lower limb muscle strength are known prognostic factors associated with cardiac rehabilitation (CR). In the present study, we investigated which CR factors can accurately predict one-year outcomes in elderly patients with HF among the above factors. Methods Hospitalized patients with HF over 65 years of age from January 2016 to January 2022 were retrospectively enrolled in the Yamaguchi Prefectural Grand Medical (YPGM) Center. They were consequently recruited to this single-center retrospective cohort study. Nutritional status, ADL, and lower limb muscle strength were assessed by geriatric nutritional risk index (GNRI), Barthel index (BI), and short physical performance battery (SPPB) at discharge, respectively. One year after discharge, the primary and secondary outcomes were evaluated by all-cause death or HF readmission and major adverse cardiac and cerebrovascular events (MACCE), respectively. Results Overall, 1,078 HF patients were admitted to YPGM Center. Of those, 839 (median age 84.0, 52% female) met the study criteria. During the follow-up of 228.0 days, 72 patients reached all-cause death (8%), 215 experienced HF readmission (23%), and 267 reached MACCE (30%: 25 HF death, six cardiac death, and 13 strokes). A multivariate Cox proportional hazard regression analysis revealed that the GNRI predicted the primary outcome (Hazard ratio [HR]: 0.957; 95% confidence interval [CI]: 0.934-0.980; p < 0.001) and the secondary outcome (HR: 0.963; 95%CI: 0.940-0.986; p = 0.002). Furthermore, a multiple logistic regression model using the GNRI most accurately predicted the primary and secondary outcomes compared to those with the SPPB or BI models. Conclusion A nutrition status model using GNRI provided a better predictive value than ADL ability or lower limb muscle strength. It should be recognized that HF patients with a low GNRI at discharge may have a poor prognosis at one year.
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Affiliation(s)
- Masakazu Miura
- Department of Rehabilitation, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
- Division of Nursing and Laboratory Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shinichi Okuda
- Department of Cardiology, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
| | - Kazuhiro Murata
- Department of Rehabilitation, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
| | - Yutaka Ohno
- Department of Rehabilitation, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
| | - Satoshi Katou
- Department of Rehabilitation, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
| | - Fumiaki Nakao
- Department of Cardiology, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
| | - Takeshi Ueyama
- Department of Cardiology, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
| | - Takeshi Yamamoto
- Division of Nursing and Laboratory Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yasuhiro Ikeda
- Department of Cardiology, Yamaguchi Prefectural Grand Medical Center, Hofu, Japan
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Yamamoto T, Hanazato M, Hikichi H, Kondo K, Osaka K, Kawachi I, Aida J. Change in Geographic Accessibility to Dental Clinics Affects Access to Care. J Dent Res 2023:220345231167771. [PMID: 37204154 DOI: 10.1177/00220345231167771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Access to dental clinics is a feature of the neighborhood service environment that may influence oral health care utilization. However, residential selection poses a challenge to causal inference. By studying the involuntary relocation of survivors of the 2011 Great East Japan Earthquake and Tsunami (GEJE), we examined the association between changes in geographic distance to dental clinics and dental visits. Longitudinal data from a cohort of older residents in Iwanuma City directly impacted by the GEJE were analyzed in this study. The baseline survey was conducted in 2010, 7 mo before the occurrence of GEJE, and a follow-up was conducted in 2016. Using Poisson regression models, we estimated the incidence rate ratios (IRR) and 95% confidence intervals (CIs) for the uptake of denture use (as a proxy for dental visits) according to changes in distance from the nearest dental clinic to their house. Age at baseline, housing damage by the disaster, deteriorating economic conditions, and worsened physical activity were used as confounders. Among the 1,098 participants who had not worn dentures before the GEJE, 495 were men (45.1%), with a mean ± SD age at baseline of 74.0 ± 6.9 y. During the 6-year follow-up, 372 (33.9%) participants initiated denture use. Compared to those who experienced a large increase in distance to dental clinics (>370.0-6,299.1 m), a large decrease in distance to dental clinics (>429.0-5,382.6 m) was associated with a marginally significantly higher initiation of denture use among disaster survivors (IRR = 1.28; 95% CI, 0.99-1.66). The experience of major housing damage was independently associated with higher initiation of denture use (IRR = 1.77; 95% CI, 1.47-2.14). Improved geographic access to dental clinics may increase dental visits of disaster survivors. Further studies in non-disaster-affected areas are needed to generalize these findings.
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Affiliation(s)
- T Yamamoto
- Department of Health Promotion, National Institute of Public Health, Saitama, Japan
| | - M Hanazato
- Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
| | - H Hikichi
- Division of Public Health, Kitasato University School of Medicine, Sagamihara, Japan
| | - K Kondo
- Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
- Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Japan
| | - K Osaka
- Department of International and Community Oral Health, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - I Kawachi
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - J Aida
- Department of Oral Health Promotion, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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Wakabayashi K, Higuchi S, Miyachi H, Minatsuki S, Ito R, Kondo S, Miyauchi K, Yamasaki M, Tanaka H, Yamashita J, Kishi M, Abe K, Mase T, Yahagi K, Asano T, Saji M, Iwata H, Mitsuhashi Y, Nagao K, Yamamoto T, Shinke T, Takayama M. Clinical features and predictors of non-cardiac death in patients hospitalised for acute myocardial infarction: Insights from the Tokyo CCU network multicentre registry. Int J Cardiol 2023; 378:1-7. [PMID: 36791966 DOI: 10.1016/j.ijcard.2023.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023]
Abstract
BACKGROUND Patients with acute myocardial infarction (AMI) commonly have multiple comorbidities, and some die in hospitals due to causes other than cardiac complications. However, limited information is available on noncardiac death in patients hospitalised for AMI. Therefore, the present study was performed to determine the incidence, annual trend, clinical characteristics, and predictors of in-hospital non-cardiac death in patients with AMI using the Tokyo Cardiovascular Care Unit (CCU) network registry. METHODS The registry included 38,589 consecutive patients with AMI who were admitted to the CCU between 2010 and 2019. The primary endpoint was in-hospital noncardiac death. Further, predictors of cardiac and non-cardiac death were identified. RESULTS The incidence of all-cause in-hospital mortality was 7.0% (n = 2700), and the proportion of mortality was 15.6% (n = 420) and 84.4% (n = 2280) for noncardiac and cardiac causes, respectively. The proportion of noncardiac deaths did not change annually over the last decade (p = 0.66). After adjusting for all variables, age, Killip classification grade, peak creatine kinase, hemoglobin, serum creatinine, and C-reactive protein were common predictors of cardiac and non-cardiac deaths. Indicators of malnutrition, such as lower body mass index (kg/m2) [odds 0.94, 95%CI (0.90-0.97), p < 0.001] and serum low-density lipoprotein cholesterol level (per 10 mg/dl) [odds 0.92, 95%CI (0.89-0.96), p < 0.001] were the specific predictors for non-cardiac deaths. CONCLUSIONS The incidence of in-hospital noncardiac death was significant in patients with AMI, accounting for 15.6% of all in-hospital mortalities. Thus, prevention and management of non-cardiac complications are vital to improve acute-phase outcomes, especially those with predictors of non-cardiac death.
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Affiliation(s)
- Kohei Wakabayashi
- Tokyo CCU Network Scientific Committee, Tokyo, Japan; Division of Cardiology, Cardiovascular Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan.
| | | | | | | | - Ryosuke Ito
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Seita Kondo
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | | | | | - Jun Yamashita
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Mikio Kishi
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Kaito Abe
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Takaaki Mase
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | - Taku Asano
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Mike Saji
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | - Hiroshi Iwata
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
| | | | - Ken Nagao
- Tokyo CCU Network Scientific Committee, Tokyo, Japan
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Kose E, Yamamoto T, Tate N, Ando A, Enomoto H, Yasuno N. Adverse Drug Event Profile Associated with Anti-dementia Drugs: Analysis of a Spontaneous Reporting Database. Pharmazie 2023; 78:42-46. [PMID: 37189266 DOI: 10.1691/ph.2023.2584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Adverse drug events (ADEs) rates associated with anti-dementia acetylcholinesterase inhibitors are estimated to be 5%-20% and show a wide range of symptoms. No report has examined whether there is a difference in the anti-dementia drugs' ADEs profile. This study aimed to establish whether anti-dementia drugs' ADEs profile differed. Data was based on the Japanese Adverse Drug Event Report (JADER) database. The reporting odds ratios (RORs) was used to analyze data for ADEs from April 2004-October 2021. The target drugs were donepezil, rivastigmine, galantamine, and memantine. The top ten most frequently occurring adverse events were selected. The association between the RORs and antidementia drug ADEs was evaluated, and compared the distribution rate of expression age related to ADEs and each ADEs' timing of onset due to anti-dementia drugs. The primary outcome was RORs. Secondary outcome were expression age and time-to-onset of ADE associated with anti-dementia drugs. A total of 705,294 reports were analyzed. The adverse events incidence differed. Bradycardia, loss of consciousness, falls, and syncope incidence were significantly diverse. The Kaplan-Meier curve results for the cumulative ADEs incidence showed that donepezil had the slowest onset, while galantamine, rivastigmine, and memantine had approximately the same timing of onset.
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Affiliation(s)
- E Kose
- Department of Pharmacy, Teikyo University School of Medicine University Hospital, Teikyo University, Tokyo, Japan;,
| | - T Yamamoto
- Department of Pharmacy, Teikyo University School of Medicine University Hospital, Teikyo University, Tokyo, Japan
| | - N Tate
- Laboratory of Basic Chemistry & Molecular Structure, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - A Ando
- Department of Lifelong Education for Pharmacists, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - H Enomoto
- Department of Lifelong Education for Pharmacists, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - N Yasuno
- Department of Pharmacy, Teikyo University School of Medicine University Hospital, Teikyo University, Tokyo, Japan; Department of Lifelong Education for Pharmacists, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan; Laboratory of Hospital Pharmacy, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
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Kikuchi M, Tahara Y, Yamaguchi J, Nakashima T, Nomura O, Tanaka A, Kojima S, Hashiba K, Nakayama N, Hanada H, Mano T, Yamamoto T, Matsuo K, Takeuchi I, Matoba T, Nonogi H. Executive Summary - Acute Coronary Syndrome in the Japan Resuscitation Council Guidelines for Resuscitation 2020. Circ J 2023; 87:866-878. [PMID: 37081690 DOI: 10.1253/circj.cj-23-0096] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Affiliation(s)
- Migaku Kikuchi
- Department of Cardiovascular Medicine, Emergency and Critical Care Center, Dokkyo Medical University School of Medicine
| | - Yoshio Tahara
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
| | | | - Takahiro Nakashima
- Department of Emergency Medicine and Michigan Center for Integrative Research in Critical Care, University of Michigan
| | - Osamu Nomura
- Department of Emergency and Disaster Medicine, Hirosaki University
| | - Akihito Tanaka
- Department of Cardiology, Nagoya University Graduate School of Medicine
| | - Sunao Kojima
- Department of Internal Medicine, Sakurajyuji Yatsushiro Rehabilitation Hospital
| | | | - Naoki Nakayama
- Department of Cardiology, Kanagawa Cardiovascular and Respiratory Center
| | - Hiroyuki Hanada
- Department of Emergency and Disaster Medicine, Hirosaki University
| | | | - Takeshi Yamamoto
- Division of Cardiovascular Intensive Care, Nippon Medical School Hospital
| | - Kunihiro Matsuo
- Department of Acute Care Medicine, Fukuoka University Chikushi Hospital
| | - Ichiro Takeuchi
- Department of Emergency and Disaster Medicine, Yokohama City University
| | - Tetsuya Matoba
- Department of Cardiovascular Medicine, Kyushu University Faculty of Medical Sciences
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Fujioka R, Yamamoto T, Maruta A, Nakamura Y, Tominaga N, Inamitsu M, Oda T, Kobayashi S, Yano M. Herpud1 modulates hypertrophic signals independently of calmodulin nuclear translocation in rat myocardium-derived H9C2 cells. Biochem Biophys Res Commun 2023; 652:61-67. [PMID: 36812708 DOI: 10.1016/j.bbrc.2023.02.038] [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: 01/01/2023] [Revised: 01/09/2023] [Accepted: 02/15/2023] [Indexed: 02/18/2023]
Abstract
In this study, we aimed to analyze the role of the Homocysteine-responsive endoplasmic reticulum-resident ubiquitin-like domain member 1 (Herpud1) gene in the development of cardiomyocyte hypertrophy in association with Calmodulin (CaM) nuclear translocation and cytosolic Ca2+ levels. To observe the mobilization of CaM in cardiomyocytes, we stably expressed eGFP-CaM in rat myocardium-derived H9C2 cells. These cells were then treated with Angiotensin II (Ang II), which stimulates a cardiac hypertrophic response, or dantrolene (DAN), which blocks the release of intracellular Ca2+. To observe intracellular Ca2+ in the presence of eGFP fluorescence, a Rohd-3 Ca2+ sensing dye was used. To examine the effect of suppressing Herpud1 expression, Herpud1 small interfering RNA (siRNA) were transfected into H9C2 cells. To examine whether hypertrophy induced by Ang II could be suppressed by Herpud1 overexpression, a Herpud1-expressing vector was introduced into H9C2 cells. CaM translocation was observed using eGFP fluorescence. Nuclear translocation of Nuclear factor of activated T-cells, cytoplasmic 4 (NFATc4) and nuclear export of Histone deacetylase 4 (HDAC4) were also examined. First, Ang II induced H9C2 hypertrophy with nuclear translocation of CaM and elevation of cytosolic Ca2+, which were inhibited by DAN treatment. We also found that Herpud1 overexpression suppressed Ang II-induced cellular hypertrophy without preventing nuclear translocation of CaM or elevation of cytosolic Ca2+. Additionally, Herpud1 knockdown induced hypertrophy without the nuclear translocation of CaM, which was not inhibited by DAN treatment. Finally, Herpud1 overexpression suppressed Ang II-induced NFATc4 nuclear translocation but did not suppress Ang II-induced CaM nuclear translocation or HDAC4 nuclear export. Ultimately, this study lays the groundwork for elucidating the anti-hypertrophic effects of Herpud1 and the underlying mechanism of pathological hypertrophy.
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Affiliation(s)
- Riko Fujioka
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Takeshi Yamamoto
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan.
| | - Akihiro Maruta
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Yoshihide Nakamura
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Naoomi Tominaga
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Masako Inamitsu
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Tetsuro Oda
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Shigeki Kobayashi
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
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Okuno M, Arimizu Y, Miyahara S, Wakabayashi Y, Gotoh Y, Yoshino S, Harada T, Seto K, Yamamoto T, Nakamura K, Hayashi T, Ogura Y. Escherichia cryptic clade I is an emerging source of human intestinal pathogens. BMC Biol 2023; 21:81. [PMID: 37055811 PMCID: PMC10100065 DOI: 10.1186/s12915-023-01584-4] [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: 12/12/2022] [Accepted: 03/30/2023] [Indexed: 04/15/2023] Open
Abstract
BACKGROUND Within the genus Escherichia, several monophyletic clades other than the traditionally defined species have been identified. Of these, cryptic clade I (C-I) appears to represent a subspecies of E. coli, but due to the difficulty in distinguishing it from E. coli sensu stricto, the population structure and virulence potential of C-I are unclear. RESULTS We defined a set of true C-I strains (n = 465), including a Shiga toxin 2a (Stx2a)-producing isolate from a patient with bloody diarrhoea identified by the retrospective analyses using a C-I-specific detection system. Through genomic analysis of 804 isolates from the cryptic clades, including these C-I strains, we revealed their global population structures and the marked accumulation of virulence genes and antimicrobial resistance genes in C-I. In particular, half of the C-I strains contained hallmark virulence genes of Stx-producing E. coli (STEC) and/or enterotoxigenic E. coli (ETEC). We also found the host-specific distributions of virulence genes, which suggests bovines as the potential source of human infections caused by STEC- and STEC/ETEC hybrid-type C-I strains, as is known in STEC. CONCLUSIONS Our findings demonstrate the emergence of human intestinal pathogens in C-I lineage. To better understand the features of C-I strains and their infections, extensive surveillance and larger population studies of C-I strains are needed. The C-I-specific detection system developed in this study will be a powerful tool for screening and identifying C-I strains.
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Affiliation(s)
- Miki Okuno
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Fukuoka, 830-0011, Japan
| | - Yoko Arimizu
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
- Department of Infectious Disease, National Hospital Organization Kyushu Medical Center, Fukuoka, 810-0065, Japan
| | - Seina Miyahara
- Department of Microbiology, Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki, 889-2155, Japan
| | - Yuki Wakabayashi
- Division of Microbiology, Osaka Institute of Public Health, Osaka, 537-0025, Japan
| | - Yasuhiro Gotoh
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Shuji Yoshino
- Department of Microbiology, Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki, 889-2155, Japan
| | - Tetsuya Harada
- Division of Microbiology, Osaka Institute of Public Health, Osaka, 537-0025, Japan
| | - Kazuko Seto
- Division of Planning, Osaka Institute of Public Health, Osaka, 537-0025, Japan
| | - Takeshi Yamamoto
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Fukuoka, 830-0011, Japan
| | - Keiji Nakamura
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Tetsuya Hayashi
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Yoshitoshi Ogura
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Fukuoka, 830-0011, Japan.
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Yamasaki M, Yoshino H, Kunihara T, Akutsu K, Shimokawa T, Ogino H, Kawata M, Takahashi T, Usui M, Watanabe K, Fujii T, Yamamoto T, Nagao K, Takayama M. Outcomes of type A acute aortic dissection with cardiopulmonary arrest: Tokyo Acute Aortic Super-network Registry. Eur J Cardiothorac Surg 2023; 63:ezad056. [PMID: 36806920 DOI: 10.1093/ejcts/ezad056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/06/2023] [Accepted: 02/19/2023] [Indexed: 02/22/2023] Open
Abstract
OBJECTIVES Preventing loss of life in patients with type A acute aortic dissection (AAD) who present with cardiopulmonary arrest (CPA) can be extremely difficult. Thus, we investigated the early outcomes in these patients. METHODS Patients with type A AAD who were transported to hospitals belonging to the Tokyo Acute Aortic Super-network between January 2015 and December 2019 were considered for this study. We assessed the early mortality of these patients presenting with CPA and also investigated the differences in outcomes between patients with out-of-hospital and in-hospital CPA. RESULTS A total of 3307 patients with type A AAD were transported, 434 (13.1%) of whom presented with CPA. The overall mortality of patients presenting with CPA was 88.2% (383/434), of which 94.5% (240/254) experienced out-of-hospital CPA and 79.4% (143/180) experienced in-hospital CPA (P < 0.001). Multivariable analysis revealed that aortic surgery [odds ratio (OR), 0.022; 95% confidence interval (CI), 0.008-0.060; P < 0.001] and patient age over 80 years (OR, 2.946; 95% CI, 1.012-8.572; P = 0.047) were related with mortality in patients with type A AAD and CPA. Between in-hospital and out-of-hospital CPA, the proportions of DeBakey type 1 (OR, 2.32; 95% CI, 1.065-5.054; P = 0.034), cerebral malperfusion (OR, 0.188; 95% CI, 0.056-0.629; P = 0.007), aortic surgery (OR, 0.111; 95% CI, 0.045-0.271; P = 0.001), age (OR, 0.969; 95% CI, 0.940-0.998; P = 0.039) and the time from symptom onset to hospital admission (OR, 1.122; 95% CI, 1.025-1.228; P = 0.012) were significantly different. CONCLUSIONS Patients with type A AAD presenting with CPA exhibited extremely high rates of death. Patient outcomes following in-hospital CPA tended to be better than those following out-of-hospital CPA; however, this difference was not significantly different. To prevent deaths, aortic surgery, when possible, should be considered in patients with type A AAD who sustained CPA.
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Affiliation(s)
- Manabu Yamasaki
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
- Department of Cardiovascular Surgery, St. Luke's International Hospital, Tokyo, Japan
| | - Hideaki Yoshino
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Takashi Kunihara
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Koichi Akutsu
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Tomoki Shimokawa
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Hitoshi Ogino
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Mitsuhiro Kawata
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | | | - Michio Usui
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Kazuhiro Watanabe
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Takeshiro Fujii
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Takeshi Yamamoto
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Ken Nagao
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
| | - Morimasa Takayama
- Tokyo, Cardiovascular Care Unit Network Scientific Committee, Tokyo, Japan
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Fujie T, Yamamoto T, Suginome M. Traceless Chiral Shift Reagent Based on Nonbonding Interaction with Single-Handed Helical Poly(quinoxaline-2,3-diyl). Angew Chem Int Ed Engl 2023; 62:e202301347. [PMID: 36999442 DOI: 10.1002/anie.202301347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/01/2023]
Abstract
Single-handed poly(quinoxaline-2,3-diyl)s (PQX) have been found to serve as a new chiral shift reagent (CSR) for determining the enantiomeric ratio by NMR. Even though there is no specific binding site in PQX, its nonbonding interaction with chiral analytes leads to a significant shift of the NMR chemical shift, allowing quantification of the enantiomeric ratio. The new CSR has the advantages of a wide scope of analytes including ethers, haloalkanes, and alkanes, easy tunability of the degree of chemical shifts by measurement temperature, and erasability of proton signals of CSR because of the short spin-spin (T2) relaxation of the macromolecular scaffold.
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Affiliation(s)
- Takaya Fujie
- Kyoto University: Kyoto Daigaku, Synthetic Chemistry and Biological Chemistry, JAPAN
| | - Takeshi Yamamoto
- Kyoto University, Synthetic Chemistry and Biological Chemistry, Kyotodaigakukatsura, Nishikyo-ku, 615-8510, Kyoto, JAPAN
| | - Michinori Suginome
- Kyoto University: Kyoto Daigaku, Synthetic Chemistry and Biological Chemistry, JAPAN
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Fujie T, Yamamoto T, Suginome M. Traceless Chiral Shift Reagent Based on Nonbonding Interaction with Single‐Handed Helical Poly(quinoxaline‐2,3‐diyl). Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202301347] [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: 04/03/2023]
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47
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Fujii S, Kobayashi S, Chang Y, Nawata J, Yoshitomi R, Tanaka S, Kohno M, Nakamura Y, Ishiguchi H, Suetomi T, Uchinoumi H, Oda T, Okuda S, Okamura T, Yamamoto T, Yano M. RyR2-targeting therapy prevents left ventricular remodeling and ventricular tachycardia in post-infarction heart failure. J Mol Cell Cardiol 2023; 178:36-50. [PMID: 36963751 DOI: 10.1016/j.yjmcc.2023.03.007] [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: 01/16/2023] [Revised: 03/15/2023] [Accepted: 03/21/2023] [Indexed: 03/26/2023]
Abstract
BACKGROUND Dantrolene binds to the Leu601-Cys620 region of the N-terminal domain of cardiac ryanodine receptor (RyR2), which corresponds to the Leu590-Cys609 region of the skeletal ryanodine receptor, and suppresses diastolic Ca2+ leakage through RyR2. OBJECTIVE We investigated whether the chronic administration of dantrolene prevented left ventricular (LV) remodeling and ventricular tachycardia (VT) after myocardial infarction (MI) by the same mechanism with the mutation V3599K of RyR2, which indicated that the inhibition of diastolic Ca2+ leakage occurred by enhancing the binding affinity of calmodulin (CaM) to RyR2. METHODS AND RESULTS A left anterior descending coronary artery ligation MI model was developed in mice. Wild-type (WT) were divided into four groups: sham-operated mice (WT-Sham), sham-operated mice treated with dantrolene (WT-Sham-DAN), MI mice (WT-MI), and MI mice treated with dantrolene (WT-MI-DAN). Homozygous V3599K RyR2 knock-in (KI) mice were divided into two groups: sham-operated mice (KI-Sham) and MI mice (KI-MI). The mice were followed for 12 weeks. Survival was significantly higher in the WT-MI-DAN (73%) and KI-MI groups (70%) than the WT-MI group (40%). Echocardiography, pathological tissue, and epinephrine-induced VT studies showed that LV remodeling and VT were prevented in the WT-MI-DAN and KI-MI groups compared to the WT-MI group. An increase in diastolic Ca2+ spark frequency and a decrease in the binding affinity of CaM to the RyR2 were observed at 12 weeks after MI in the WT-MI group, although significant improvements in these values were observed in the WT-MI-DAN and KI-MI groups. CONCLUSIONS Pharmacological or genetic stabilization of RyR2 tetrameric structure improves survival after MI by suppressing LV remodeling and proarrhythmia.
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Affiliation(s)
- Shohei Fujii
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Shigeki Kobayashi
- Department of Therapeutic Science for Heart Failure in the Elderly, Yamaguchi University School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan.
| | - Yaowei Chang
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Junya Nawata
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Ryosuke Yoshitomi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Shinji Tanaka
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Michiaki Kohno
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Yoshihide Nakamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Takeshi Suetomi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Hitoshi Uchinoumi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Tetsuro Oda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Shinichi Okuda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Takeshi Yamamoto
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
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48
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Yoshiko T, Sato D, Yamamoto T. Fibrous self-assembly of liquid crystal made by self-organisation. Liquid Crystals Today 2023. [DOI: 10.1080/1358314x.2022.2179827] [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] [Indexed: 03/03/2023]
Affiliation(s)
- Takenaka Yoshiko
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
| | - D. Sato
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
- Department of Applied Physics, Tokyo University of Science, Tokyo, Japan
| | - T. Yamamoto
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
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49
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Nakamura J, Yamamoto T, Takabatake Y, Namba-Hamano T, Minami S, Takahashi A, Matsuda J, Sakai S, Yonishi H, Maeda S, Matsui S, Matsui I, Hamano T, Takahashi M, Goto M, Izumi Y, Bamba T, Sasai M, Yamamoto M, Matsusaka T, Niimura F, Yanagita M, Nakamura S, Yoshimori T, Ballabio A, Isaka Y. TFEB-mediated lysosomal exocytosis alleviates high-fat diet-induced lipotoxicity in the kidney. JCI Insight 2023; 8:162498. [PMID: 36649084 PMCID: PMC9977505 DOI: 10.1172/jci.insight.162498] [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: 06/08/2022] [Accepted: 01/13/2023] [Indexed: 01/18/2023] Open
Abstract
Obesity is a major risk factor for end-stage kidney disease. We previously found that lysosomal dysfunction and impaired autophagic flux contribute to lipotoxicity in obesity-related kidney disease, in both humans and experimental animal models. However, the regulatory factors involved in countering renal lipotoxicity are largely unknown. Here, we found that palmitic acid strongly promoted dephosphorylation and nuclear translocation of transcription factor EB (TFEB) by inhibiting the mechanistic target of rapamycin kinase complex 1 pathway in a Rag GTPase-dependent manner, though these effects gradually diminished after extended treatment. We then investigated the role of TFEB in the pathogenesis of obesity-related kidney disease. Proximal tubular epithelial cell-specific (PTEC-specific) Tfeb-deficient mice fed a high-fat diet (HFD) exhibited greater phospholipid accumulation in enlarged lysosomes, which manifested as multilamellar bodies (MLBs). Activated TFEB mediated lysosomal exocytosis of phospholipids, which helped reduce MLB accumulation in PTECs. Furthermore, HFD-fed, PTEC-specific Tfeb-deficient mice showed autophagic stagnation and exacerbated injury upon renal ischemia/reperfusion. Finally, higher body mass index was associated with increased vacuolation and decreased nuclear TFEB in the proximal tubules of patients with chronic kidney disease. These results indicate a critical role of TFEB-mediated lysosomal exocytosis in counteracting renal lipotoxicity.
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Affiliation(s)
- Jun Nakamura
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takeshi Yamamoto
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshitsugu Takabatake
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tomoko Namba-Hamano
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Satoshi Minami
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Atsushi Takahashi
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Jun Matsuda
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shinsuke Sakai
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hiroaki Yonishi
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shihomi Maeda
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Sho Matsui
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Isao Matsui
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takayuki Hamano
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan.,Department of Nephrology, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan
| | - Masatomo Takahashi
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Maiko Goto
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Yoshihiro Izumi
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Takeshi Bamba
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Miwa Sasai
- Department of Immunoparasitology, Research Institute for Microbial Diseases, and.,Laboratory of Immunoparasitology, World Premier International Research Center Initiative Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Masahiro Yamamoto
- Department of Immunoparasitology, Research Institute for Microbial Diseases, and.,Laboratory of Immunoparasitology, World Premier International Research Center Initiative Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Taiji Matsusaka
- Institute of Medical Sciences and Department of Basic Medical Science, and
| | - Fumio Niimura
- Department of Pediatrics, Tokai University School of Medicine, Kanagawa, Japan
| | - Motoko Yanagita
- Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Institute for the Advanced Study of Human Biology, Kyoto University, Kyoto, Japan
| | - Shuhei Nakamura
- Department of Genetics, Osaka University Graduate School of Medicine, Osaka, Japan.,Laboratory of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences.,Institute for Advanced Co-Creation Studies, and
| | - Tamotsu Yoshimori
- Department of Genetics, Osaka University Graduate School of Medicine, Osaka, Japan.,Laboratory of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences.,Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Osaka, Japan
| | - Andrea Ballabio
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Naples, Italy.,Medical Genetics Unit, Department of Medical and Translational Science, Federico II University, Naples, Italy.,Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.,Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, Texas, USA
| | - Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
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50
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Shiomura R, Miyachi H, Yamamoto T, Takano H. A rare mechanism of embolic stroke complicating coronary thrombus aspiration. Clin Case Rep 2023; 11:e6951. [PMID: 36846182 PMCID: PMC9944055 DOI: 10.1002/ccr3.6951] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 01/19/2023] [Accepted: 01/23/2023] [Indexed: 02/24/2023] Open
Abstract
Aspiration thrombectomy is often performed in patients with acute myocardial infarction with high thrombus burden. Current guidelines, however, recommend against it because of stroke risk. We report a case of embolic stroke complicating coronary thrombus aspiration in a 62-year-old man. Aspiration thrombectomy during percutaneous coronary intervention migrated thrombus to the proximal right coronary artery (RCA), and the thrombus was subsequently released into the aorta by backflow of the contrast injection causing aspiration thrombectomy-associated stroke. This is an extremely rare mechanism by which complications arise from failed aspiration thrombectomy.
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Affiliation(s)
- Reiko Shiomura
- Division of Cardiovascular Intensive CareNippon Medical School HospitalTokyoJapan
| | - Hideki Miyachi
- Division of Cardiovascular Intensive CareNippon Medical School HospitalTokyoJapan
| | - Takeshi Yamamoto
- Division of Cardiovascular Intensive CareNippon Medical School HospitalTokyoJapan
| | - Hitoshi Takano
- Department of Cardiovascular MedicineNippon Medical SchoolTokyoJapan
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