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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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Nawata T, Yano M. Sternoclavicular Joint Arthritis in a Patient with Psoriatic Arthritis. Mediterr J Rheumatol 2023; 34:575-576. [PMID: 38282936 PMCID: PMC10815531 DOI: 10.31138/mjr.290823.sja] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 01/30/2024] Open
Affiliation(s)
- Takashi Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Akase H, Okamura T, Nagoshi R, Fujimura T, Miyazaki Y, Takenaka H, Matsuyama T, Murasato Y, Yamawaki M, Ono S, Serikawa T, Hikichi Y, Norita H, Nakao F, Sakamoto T, Shinke T, Yano M, Shite J. Risk Assessment of Side Branch Compromise After Coronary Bifurcation Stenting - A Substudy of the 3D-OCT Bifurcation Registry. Circ J 2023:CJ-22-0723. [PMID: 37839862 DOI: 10.1253/circj.cj-22-0723] [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: 10/17/2023]
Abstract
BACKGROUND Side branch (SB) occlusion during bifurcation stenting is a serious complication. This study aimed to predict SB compromise (SBC) using optical coherence tomography (OCT).Methods and Results: Among the 168 patients who enrolled in the 3D-OCT Bifurcation Registry, 111 bifurcation lesions were analyzed to develop an OCT risk score for predicting SBC. SBC was defined as worsening of angiographic SB ostial stenosis (≥90%) immediately after stenting. On the basis of OCT before stenting, geometric parameters (SB diameter [SBd], length from proximal branching point to carina tip [BP-CT length], and distance of the polygon of confluence [dPOC]) and 3-dimensional bifurcation types (parallel or perpendicular) were evaluated. SBC occurred in 36 (32%) lesions. The parallel-type bifurcation was significantly more frequent in lesions with SBC. The receiver operating characteristic curve indicated SBd ≤1.77 mm (area under the curve [AUC]=0.73, sensitivity 64%, specificity 75%), BP-CT length ≤1.8 mm (AUC=0.83, sensitivity 86%, specificity 68%), and dPOC ≤3.96 mm (AUC=0.68, sensitivity 63%, specificity 69%) as the best cut-off values for predicting SBC. To create the OCT risk score, we assigned 1 point to each of these factors. As the score increased, the frequency of SBC increased significantly (Score 0, 0%; Score 1, 8.7%; Score 2, 28%; Score 3, 58%; Score 4, 85%; P<0.0001). CONCLUSIONS Prediction of SBC using OCT is feasible with high probability.
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Affiliation(s)
- Hideaki Akase
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Ryoji Nagoshi
- Department of Cardiology, Osaka Saiseikai Nakatsu Hospital
| | - Tatsuhiro Fujimura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Yosuke Miyazaki
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Hitoshi Takenaka
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Tetsuya Matsuyama
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Yoshinobu Murasato
- Department of Cardiology, National Hospital Organization Kyusyu Medical Center
| | | | - Shiro Ono
- Department of Cardiology, Saiseikai Yamaguchi General Hospital
| | | | - Yutaka Hikichi
- Department of Cardiovascular Medicine, Saga-Ken Medical Center Koseikan
| | | | - Fumiaki Nakao
- Department of Cardiology, Yamaguchi Grand Medical Center
| | | | - Toshiro Shinke
- Division of Cardiology, Department of Medicine, Showa University School of Medicine
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Junya Shite
- Department of Cardiology, Osaka Saiseikai Nakatsu Hospital
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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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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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Ishiguchi H, Yoshiga Y, Shimizu A, Fukuda M, Hisaoka M, Hashimoto S, Omuro T, Okamura T, Kobayashi S, Yano M. Association between the atrial tachyarrhythmia recurrence period and long-term major adverse clinical events following catheter ablation for atrial fibrillation. Int J Cardiol Heart Vasc 2023; 47:101228. [PMID: 37275627 PMCID: PMC10239027 DOI: 10.1016/j.ijcha.2023.101228] [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: 03/27/2023] [Revised: 04/29/2023] [Accepted: 05/19/2023] [Indexed: 06/07/2023]
Abstract
Background We previously demonstrated the clinical events in patients who underwent catheter ablation (CA) for atrial fibrillation (AF). Data on the association between the period of atrial tachyarrhythmia (ATA) recurrence after CA and long-term major adverse clinical events (MACE) remain unclear. In this study, we evaluated this issue in patients with systolic impairment (left ventricular ejection fraction < 50%) and heart failure with preserved ejection fraction (HFpEF). Methods We retrospectively collected data from 81 patients with systolic impairment and 83 patients with HFpEF who underwent CA for AF at our institution (median follow-up: 4.9 [3.6, 6.6] years). In each group, we compared the cumulative incidence of long-term MACE (since 1 year after CA) between patients with and without ATA recurrence at three follow-up periods (3, 6 months, and 1 year after index CA). We evaluated the period of recurrence, which was the most beneficial predictor of MACE among the periods. Results In the systolic impairment group, the cumulative long-term MACE incidence was significantly higher in patients with ATA recurrence than in those without it within 6 months and 1 year (P = 0.04 and P = 0.01, respectively). Recurrence within 1 year showed the highest feasibility for predicting long-term MACE (area under the curve with 95% confidence interval [CI]:0.73 [0.61-0.84]). However, there was no difference in the incidence of MACE between patients with and without recurrence in a group with HFpEF in each period. Conclusion ATA recurrence within 1 year could predict long-term MACE in patients with systolic impairment, but not in patients with HFpEF.
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Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yasuhiro Yoshiga
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Akihiko Shimizu
- Department of Cardiology, Ube-Kohsan Central Hospital, Ube, Japan
| | - Masakazu Fukuda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masahiro Hisaoka
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shintaro Hashimoto
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takuya Omuro
- Faculty of Health Sciences, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shigeki Kobayashi
- Department of Therapeutic Science for Heart Failure in the Elderly, Yamaguchi University School of Medicine, Ube, Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Nakamoto M, Omuro A, Uchinoumi H, Wada Y, Tanaka N, Yano M. Diagnosis of a coronary artery fistula connected to the coronary sinus with transthoracic echocardiography: a case report. J Echocardiogr 2023:10.1007/s12574-023-00616-w. [PMID: 37486525 DOI: 10.1007/s12574-023-00616-w] [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: 03/01/2023] [Revised: 06/12/2023] [Accepted: 07/04/2023] [Indexed: 07/25/2023]
Affiliation(s)
- Mayu Nakamoto
- Ultrasound Examination Center, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan.
| | - Ayumi Omuro
- Department of Medicine and Clinical Science, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Hitoshi Uchinoumi
- Department of Medicine and Clinical Science, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Yasuaki Wada
- Department of Medicine and Clinical Science, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Nobuaki Tanaka
- Department of Clinical Laboratory Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, 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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Yasuda Y, Ishiguchi H, Yamaguchi M, Murakami K, Kinoshita N, Kato T, Yoshida M, Imoto K, Sonoyama K, Kawabata T, Okamura T, Endo A, Kobayashi S, Yano M, Oda T, Tanabe K. Incidence of Mid-Term Prognostic Events in Patients With Acute Coronary Syndrome During the Late 2010s in 2 Tertiary Hospitals in a Rural Area of Japan - A Temporal Comparison. Circ Rep 2023; 5:198-209. [PMID: 37180477 PMCID: PMC10166665 DOI: 10.1253/circrep.cr-23-0029] [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: 03/14/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 05/16/2023] Open
Abstract
Background: Data on the incidence of mid-term prognostic events in patients who developed acute coronary syndrome (ACS) in the late 2010s are scarce. Methods and Results: We retrospectively included and collected data for 889 patients with ACS (ST-elevation myocardial infarction [STEMI]/non-ST-elevation ACS [NSTE-ACS]) discharged alive from 2 tertiary hospitals in Izumo City, in rural Japan, between August 2009 and July 2018. Patients were divided into 3 time groups (T1: August 2009-July 2012; T2: August 2012-July 2015; T3: August 2015-July 2018). The cumulative incidence of major adverse cardiovascular events (MACE; comprising all-cause death, recurrent ACS, and stroke), major bleeding, and heart failure hospitalization within 2 years of discharge was compared among the 3 groups. The incidence of freedom from MACE was significantly higher in the T3 group than in the T1 and T2 groups (93 [95% confidence interval {CI} 90-96%] vs. 86% [95% CI 83-90] and 89% [95% CI 90-96], respectively; P=0.03). There was a tendency for a higher incidence of STEMI among patients in T3 (P=0.057). The incidence of NSTE-ACS was comparable among the 3 groups (P=0.31), as was the incidence of major bleeding and hospitalization for heart failure. Conclusions: The incidence of mid-term MACE in patients who developed ACS during the late 2010 s (2015-2018) was lower than that in prior periods (2009-2015).
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Affiliation(s)
- Yu Yasuda
- Division of Cardiology, Shimane University Faculty of Medicine Izumo Japan
| | - Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Madoka Yamaguchi
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Kei Murakami
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Natsu Kinoshita
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Takayoshi Kato
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Masaaki Yoshida
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Koji Imoto
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Kazuhiko Sonoyama
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Tetsuya Kawabata
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Akihiro Endo
- Division of Cardiology, Shimane University Faculty of Medicine Izumo Japan
| | - Shigeki Kobayashi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Tsuyoshi Oda
- Division of Cardiology, Shimane Prefectural Central Hospital Izumo Japan
| | - Kazuaki Tanabe
- Division of Cardiology, Shimane University Faculty of Medicine Izumo Japan
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Murata Y, Hirano T, Doi K, Fukatsu-Chikumoto A, Hamada K, Oishi K, Kakugawa T, Yano M, Matsunaga K. Computed Tomography Lung Density Analysis: An Imaging Biomarker Predicting Physical Inactivity in Chronic Obstructive Pulmonary Disease: A Pilot Study. J Clin Med 2023; 12:jcm12082959. [PMID: 37109296 PMCID: PMC10146330 DOI: 10.3390/jcm12082959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/11/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Physical inactivity correlates with poor prognosis in chronic obstructive pulmonary disease (COPD) and is suggested to be related to lung hyperinflation. We examined the association between physical activity and the expiratory to inspiratory (E/I) ratio of mean lung density (MLD), the imaging biomarker of resting lung hyperinflation. COPD patients (n = 41) and healthy controls (n = 12) underwent assessment of pulmonary function and physical activity with an accelerometer, as well as computed tomography at full inspiration and expiration. E/IMLD was calculated by measuring inspiratory and expiratory MLD. Exercise (EX) was defined as metabolic equivalents × duration (hours). COPD patients had higher E/IMLD (0.975 vs. 0.964) than healthy subjects. When dividing COPD patients into sedentary (EX < 1.5) and non-sedentary (EX ≥ 1.5) groups, E/IMLD in the sedentary group was statistically higher than that in the non-sedentary group (0.983 vs. 0.972). E/IMLD > 0.980 was a good predictor of sedentary behavior in COPD (sensitivity, 0.815; specificity, 0.714). Multivariate analysis showed that E/IMLD was associated with sedentary behavior (odds ratio, 0.39; p = 0.04), independent of age, symptomology, airflow obstruction, and pulmonary diffusion. In conclusion, higher E/IMLD scores are associated with sedentary behavior and can be a useful imaging biomarker for the early detection of physical inactivity in COPD.
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Affiliation(s)
- Yoriyuki Murata
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Tsunahiko Hirano
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Keiko Doi
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Ayumi Fukatsu-Chikumoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Kazuki Hamada
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Keiji Oishi
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Tomoyuki Kakugawa
- Department of Pulmonology and Gerontology, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
| | - Kazuto Matsunaga
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube 755-8505, Japan
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11
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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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12
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Ishiguchi H, Okamura T, Yano M. Thrombus formation on the stump of a resected left atrial appendage in a case with a history of left atrial appendage thrombus owing to left atrial ischemia: A follow-up case report. European Heart Journal - Case Reports 2023; 7:ytad157. [PMID: 37187970 PMCID: PMC10180359 DOI: 10.1093/ehjcr/ytad157] [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] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/28/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023]
Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube , Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube , Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube , Japan
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13
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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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14
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Uchida T, Ishiguchi H, Ariyoshi T, Fujita M, Fukuda M, Wada Y, Yoshiga Y, Okamura T, Yano M. Chronic Expanding Hematoma in Device Pocket Developing 5 Years After Implantation. Circ Rep 2023; 5:95-96. [PMID: 36909135 PMCID: PMC9992505 DOI: 10.1253/circrep.cr-22-0128] [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: 12/14/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 02/05/2023] Open
Affiliation(s)
- Tomoyuki Uchida
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Toru Ariyoshi
- Ultrasound Examination Center, Yamaguchi University Hospital Ube Japan
| | - Miho Fujita
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Masakazu Fukuda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Yasuaki Wada
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Yasuhiro Yoshiga
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine Ube Japan
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15
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Uchida T, Oda T, Nawata J, Suetomi T, Uchinoumi H, Kobayashi S, Yamamoto T, Yano M. Defective calmodulin binding affinity to ryanodine receptor drives heart failure with preserved ejection fraction progression. Biophys J 2023; 122:235a. [PMID: 36783154 DOI: 10.1016/j.bpj.2022.11.1382] [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: 02/12/2023] Open
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16
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Nawata J, Yamamoto T, Uchida T, Suetomi T, Uchinoumi H, Oda T, Kobayashi S, Yano M. Dantrolene improves diastolic property of left ventricle in mineralcorticoid-induced hypertensive rats. Biophys J 2023; 122:235a. [PMID: 36783155 DOI: 10.1016/j.bpj.2022.11.1381] [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: 02/12/2023] Open
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17
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Ishiguchi H, Yoshiga Y, Okamura T, Yano M. Abnormal mosaic flow in the left atrium observed from a parasternal long-axis view in a patient with a history of pulmonary vein isolation: a case report. Eur Heart J Case Rep 2023; 7:ytad067. [PMID: 36845836 PMCID: PMC9954976 DOI: 10.1093/ehjcr/ytad067] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/25/2023] [Accepted: 02/03/2023] [Indexed: 02/10/2023]
Affiliation(s)
| | - Yasuhiro Yoshiga
- 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
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18
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Zaitsu S, Yano M, Adachi S, Miwa M, Katoh T, Kawano Y, Yasuda M. 58P The lymphocyte activation gene-3 (LAG-3) protein expression in tumor-infiltrating lymphocytes is associated with a poor prognosis of ovarian clear cell carcinoma. ESMO Open 2023. [DOI: 10.1016/j.esmoop.2023.100838] [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: 02/27/2023] Open
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19
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Yano Y, Kobayashi S, Uchida T, Chang Y, Nawata J, Fujii S, Nakamura Y, Suetomi T, Uchinoumi H, Oda T, Yamamoto T, Yano M. Stabilizing cardiac ryanodine receptor with dantrolene treatment prevents left ventricular remodeling in pressure-overloaded heart failure mice. Biochem Biophys Res Commun 2023; 642:175-184. [PMID: 36584481 DOI: 10.1016/j.bbrc.2022.12.063] [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: 11/30/2022] [Revised: 12/14/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022]
Abstract
Dantrolene (DAN) directly binds to cardiac ryanodine receptor 2 (RyR2) through Leu601-Cys620 in the N-terminal domain and subsequently inhibits diastolic Ca2+ leakage through RyR2. We previously reported that therapy using RyR2 V3599K mutation, which inhibits diastolic Ca2+ leakage by enhancing calmodulin (CaM) binding ability to RyR2, prevents left ventricular (LV) remodeling in transverse aortic constriction (TAC) heart failure. Here, we examined whether chronic administration of DAN prevents LV remodeling in TAC heart failure via the same mechanism as genetic therapy. A pressure-overloaded hypertrophy mouse model was developed using TAC. Wild-type (WT) mice were divided into three groups: sham-operated mice (Sham group), TAC mice (TAC group), and TAC mice treated with DAN (TAC-DAN group, 20 mg/kg/day, i.p.). They were then followed up for 8 weeks. The survival rate was higher in the TAC-DAN group (83%) than in the TAC group (49%), and serial echocardiography studies and pathological tissue analysis showed that LV remodeling was significantly prevented in the TAC-DAN group compared to the TAC group. An increase in the diastolic Ca2+ spark frequency and a decrease in the binding affinity of CaM to RyR2 were observed at 8 weeks in the TAC group but not in the TAC-DAN group. Stabilization of RyR2 with DAN prevented LV remodeling and improved survival after TAC by enhancing CaM binding to RyR2 and inhibiting RyR2-mediated diastolic Ca2+ leakage.
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Affiliation(s)
- Yasutake Yano
- 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.
| | - Tomoyuki Uchida
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Yaowei Chang
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Junya Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Shohei Fujii
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Yoshihide Nakamura
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Takeshi Suetomi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Hitoshi Uchinoumi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Tetsuro Oda
- 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
- 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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20
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Nawata T, Sakai H, Honda T, Otsuka M, Fujita H, Uchinoumi H, Kobayashi S, Yamamoto T, Asagiri M, Yano M. Dantrolene, a stabilizer of the ryanodine receptor, prevents collagen-induced arthritis. Biochem Biophys Res Commun 2022; 624:141-145. [PMID: 35940127 DOI: 10.1016/j.bbrc.2022.07.111] [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: 07/27/2022] [Accepted: 07/29/2022] [Indexed: 11/16/2022]
Abstract
Dantrolene inhibits Ca2+ leakage from destabilized ryanodine receptors and therefore may serve as a therapeutic agent against endoplasmic reticulum stress-associated diseases. However, its effectiveness in treating autoimmune diseases remains unclear. Here, we investigated the effect of dantrolene on collagen-induced arthritis (CIA) in mice. Oral administration of dantrolene resulted in significantly lower arthritic scores in both male and female CIA mice than in the control mice. Micro-computed tomographic and histological analyses showed that dantrolene suppressed bone and chondral destruction. The serum levels of anti-type II collagen (CII) IgG were positively correlated with the arthritic scores (r = 0.704, p < 0.01). In addition, the serum levels of anti-CII IgG were significantly lower in the dantrolene group than in the control group (p < 0.05). These results demonstrate that oral administration of dantrolene to CIA mice inhibits the production of serum anti-CII IgG and consequently prevents arthritis. Therefore, dantrolene may be a potential anti-rheumatic drug.
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Affiliation(s)
- Takashi Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan.
| | - Hiroki Sakai
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Takeshi Honda
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Marina Otsuka
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Hina Fujita
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Hitoshi Uchinoumi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Shigeki Kobayashi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Takeshi Yamamoto
- Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Masataka Asagiri
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan
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21
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Kobayashi S, Yamamoto T, Yoshiga Y, Okamura T, Kawano R, Yano M. Stabilizing Tetrameric Structure of Ryanodine Receptor Cures Lethal Arrhythmia in Heart Failure. Circ Arrhythm Electrophysiol 2022; 15:e011220. [PMID: 36197726 DOI: 10.1161/circep.122.011220] [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: 11/16/2022]
Affiliation(s)
- Shigeki Kobayashi
- Division of Cardiology, Department of Medicine and Clinical Science (S.K., Y.Y., T.O., M.Y.)
| | - Takeshi Yamamoto
- Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, Ube, Japan (T.Y.)
| | - Yasuhiro Yoshiga
- Division of Cardiology, Department of Medicine and Clinical Science (S.K., Y.Y., T.O., M.Y.)
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science (S.K., Y.Y., T.O., M.Y.)
| | - Reo Kawano
- Innovation Center for Translational Research, National Center for Geriatrics and Gerontology, Aichi, Japan (R.K.)
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science (S.K., Y.Y., T.O., M.Y.)
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22
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Tamaki S, Nagai Y, Shutta R, Masuda D, Yamashita S, Seo M, Yamada T, Yano M, Hayashi T, Yasumura Y, Hikoso S, Sotomi Y, Sakata Y. Relation of lymphopenia to comorbidity burden and its prognostic value in patients with acute decompensated heart failure with preserved left ventricular ejection fraction: a multicentre study. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Systemic inflammation resulting from comorbidities is postulated to play a central role in the pathophysiology of heart failure (HF) with preserved ejection fraction (HFpEF). Lymphopenia is a common manifestation of systemic inflammation and a prognostic factor in patients with HF. However, the association of lymphopenia with the comorbidity burden is unknown, and its prognostic value in patients with HFpEF admitted due to acute decompensated heart failure (ADHF) also remains elusive.
Purpose
We sought to clarify the relation of lymphopenia with the comorbidity burden, as well as its prognostic value and complementarity with the Get with the Guidelines-Heart Failure (GWTG-HF) risk score in ADHF patients with HFpEF.
Methods
Patients' data were extracted from the Prospective mUlticenteR obServational stUdy of patIenTs with Heart Failure with Preserved Ejection Fraction (PURSUIT-HFpEF), which is a prospective multicentre registry for patients with ADHF with a LVEF ≥50%. We analysed data of patients admitted between June 2016 and December 2020 who survived to discharge. The total lymphocyte count (per μL) and GWTG-HF risk score were obtained on admission, as previously reported. Comorbidity burden was defined as the number of comorbidities from the following: atrial fibrillation, hypertension, diabetes mellitus, coronary artery disease, chronic kidney disease, chronic obstructive pulmonary disease, anaemia, and obesity. The study endpoint was all-cause death.
Results
Over a median follow-up of 417 days, 181 of the 1013 included patients died. The proportion of patients with a total lymphocyte count in the lowest tertile was increasing with the increase in comorbidity burden (Figure 1). In the multivariate Cox analysis, a total lymphocyte count in the intermediate (hazard ratio [HR] 1.55, 95% confidence interval [CI] 1.00–2.41, p=0.0486) and lowest tertile (HR 2.23, 95% CI 1.47–3.38, p=0.0002) was independently associated with all-cause death. There was a significant difference in the all-cause death rate among the groups stratified by total lymphocyte count tertile (Figure 2). The total lymphocyte count had a higher C-statistic value (0.627) for the prediction of all-cause death than the GWTG-HF risk score, and the C-statistic value of the GWTG-HF risk score was improved when the total lymphocyte count was added (0.613 to 0.636, p=0.0260).
Conclusions
Lymphopenia was significantly associated with comorbidity burden. Furthermore, it was a useful marker of poor prognosis in hospitalised patients with acute HFpEF and was shown to be complementary to the contemporary HF prognostic score.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Roche Diagnostics K.K.Fuji Film Toyama Chemical Co. Ltd.
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Affiliation(s)
- S Tamaki
- Rinku General Medical Center , Izumisano , Japan
| | - Y Nagai
- Rinku General Medical Center , Izumisano , Japan
| | - R Shutta
- Rinku General Medical Center , Izumisano , Japan
| | - D Masuda
- Rinku General Medical Center , Izumisano , Japan
| | - S Yamashita
- Rinku General Medical Center , Izumisano , Japan
| | - M Seo
- Osaka General Medical Center , Osaka , Japan
| | - T Yamada
- Osaka General Medical Center , Osaka , Japan
| | - M Yano
- Osaka Rosai Hospital , Sakai , Japan
| | - T Hayashi
- Osaka Police Hospital , Osaka , Japan
| | - Y Yasumura
- Amagasaki Chuo Hospital , Amagasaki , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine , Suita , Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine , Suita , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine , Suita , Japan
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23
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Oeun B, Hikoso S, Nakatani D, Okada K, Dohi T, Sotomi Y, Kida H, Sunaga A, Sato T, Seo M, Yano M, Hayashi T, Yamada T, Yasumura Y, Sakata Y. Clinical trajectory and outcomes of patients with heart failure with preserved ejection fraction with normal or indeterminate diastolic function. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Heart failure (HF) with preserved ejection fraction (HFpEF) is a chronic and progressive disease, but limited therapeutic strategies are currently available. Although left ventricular diastolic dysfunction (DD) is a prominent mechanism of HFpEF, a certain number of patients with HFpEF have a normal diastolic function (ND) or indeterminate diastolic function (ID). With the progressive nature of HFpEF, diastolic function may change over time. However, the change of diastolic function, its predictor and prognosis in patients with clinically established HFpEF remains unknown.
Purpose
To investigate the clinical trajectory and outcomes of patients with HFpEF with ND or ID and to identify factors associated with progression from ND or ID at discharge to DD at 1-year follow-up.
Methods
Using data from a prospective multicenter observational study of patients with HFpEF, we extracted 289 patients with HFpEF with ND or ID at discharge who had echocardiographic data at 1-year follow-up for the re-evaluation of diastolic function. Diastolic function was assessed according to the 2016 American Society of Echocardiography recommendations. Patients were classified according to the absence or presence of progression from ND or ID to DD at 1 year. The primary endpoint was a composite of all-cause death and HF rehospitalization.
Results
Median age was 81 years, and 138 (47.8%) patients were female. At 1 year, 107 (37%) patients progressed to DD. During a median follow-up of 709 days, the composite endpoint occurred in 90 (31.1%) patients. Compared to patients without progression to DD, those with progression to DD had a significantly higher cumulative incidence rate of the composite endpoint (incidence rate: 11.7/100 person-year versus 23.3/100 person-year, P<0.001). Progression to DD (adjusted HR: 2.014, 95% CI: 1.239–3.273, P=0.005) was independently associated with the composite endpoint. Age (adjusted OR: 1.046, 95% CI: 1.008–1.087, P=0.018), body mass index (BMI) (adjusted OR: 1.107, 95% CI: 1.029–1.192, P=0.006), and serum albumin (adjusted OR: 0.459, 95% CI: 0.216–0.974, P=0.042) were independently associated with progression from ND or ID to DD at 1 year.
Conclusion
More than one-third of patients with HFpEF with ND or ID progressed to DD at 1 year and had poor clinical outcomes. Age, BMI, and serum albumin were independently associated with this progression.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): This work was supported by grants from Japan Society for the Promotion of Science KAKENHI (No. JP 17K09496) and Japan Agency for Medical Research and Development (No. JP16lk1010013).
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Affiliation(s)
- B Oeun
- Osaka University Graduate School of Medicine , Suita , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine , Suita , Japan
| | - D Nakatani
- Osaka University Graduate School of Medicine , Suita , Japan
| | - K Okada
- Osaka University Graduate School of Medicine , Suita , Japan
| | - T Dohi
- Osaka University Graduate School of Medicine , Suita , Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine , Suita , Japan
| | - H Kida
- Osaka University Graduate School of Medicine , Suita , Japan
| | - A Sunaga
- Osaka University Graduate School of Medicine , Suita , Japan
| | - T Sato
- Osaka University Graduate School of Medicine , Suita , Japan
| | - M Seo
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - M Yano
- Osaka Rosai Hospital, Cardiology , Sakai , Japan
| | - T Hayashi
- Osaka Police Hospital, Cardiology , Osaka , Japan
| | - T Yamada
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - Y Yasumura
- Amagasaki Chuo Hospital, Cardiology , Amagasaki , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine , Suita , Japan
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24
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Sunaga A, Hikoso S, Tamaki S, Yano M, Hayashi T, Oeun B, Kida H, Sotomi Y, Dohi T, Okada K, Mizuno H, Nakatani D, Yamada T, Yasumura Y, Sakata Y. Association between prognosis and the use of angiotensin-converting enzyme inhibitors and/or angiotensin II receptor blocker in frail patients with heart failure with preserved ejection fraction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The effectiveness of angiotensin-converting enzyme inhibitors (ACE-I) and angiotensin II receptor blockers (ARB) has not been demonstrated in patients with heart failure with preserved ejection fraction (HFpEF). We recently reported significant interaction between the use of ACE-I and/or ARB (ACE-I/ARB) and frailty on prognosis in patients with HFpEF.
Purpose
In the present study, we examined the association between ACE-I/ARB and prognosis in patients with HFpEF stratified by the presence or absence of frailty.
Methods
We examined the association between the use of ACE-I/ARB and prognosis according to the presence (Clinical Frailty Scale (CFS) ≥5) or absence (CFS ≤4) of frailty in patients with HFpEF in a post-hoc analysis of registry data. Primary endpoint was the composite of all-cause mortality and heart failure admission. Secondary endpoints were all-cause mortality and heart failure admission.
Results
Of 1059 patients, median age was 83 years and 45% were male. Kaplan-Meier analysis showed that the risk of composite endpoint (log-rank P=0.001) and all-cause death (log-rank P=0.005) in patients with ACE-I/ARB was lower in those with CFS ≥5, but similar between patients with and without ACE-I/ARB in patients with CFS ≤4 (composite endpoint: log-rank P=0.830; all-cause death: log-rank P=0.192). In a multivariable Cox proportional hazards model, use of ACE-I/ARB was significantly associated with lower risk of the composite endpoint (hazard ratio = 0.52, 95% CI: 0.33–0.83, P=0.005) and heart failure admission (hazard ratio = 0.45, 95% CI: 0.25–0.83, P=0.010) in patients with CFS ≥5, but not in patients with CFS ≤4 (composite endpoint: hazard ratio = 1.41, 95% CI: 0.99–2.02, P=0.059; heart failure admission: hazard ratio = 1.43, 95% CI: 0.94–2.18, P=0.091). The association between ACE-I or ARB and prognosis did not significantly differ by CFS (CFS ≤4: log-rank P=0.562; CFS ≥5: log-rank P=0.100, for with ACE-I vs. ARB, respectively). Adjusted HRs for CFS 1–4 were higher than 1.0, but were less than 1.0 at CFS 5.
Conclusions
In patients with HFpEF, use of ACE-I/ARB was associated with better prognosis in patients with frailty as assessed with the CFS, but not in those without frailty.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Roche
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Affiliation(s)
- A Sunaga
- Osaka University Graduate School of Medicine , Suita , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine , Suita , Japan
| | - S Tamaki
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - M Yano
- Osaka Rosai Hospital , Sakai , Japan
| | - T Hayashi
- Osaka Police Hospital , Osaka , Japan
| | - B Oeun
- Osaka University Graduate School of Medicine , Suita , Japan
| | - H Kida
- Osaka University Graduate School of Medicine , Suita , Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine , Suita , Japan
| | - T Dohi
- Osaka University Graduate School of Medicine , Suita , Japan
| | - K Okada
- Osaka University Graduate School of Medicine , Suita , Japan
| | - H Mizuno
- Osaka University Graduate School of Medicine , Suita , Japan
| | - D Nakatani
- Osaka University Graduate School of Medicine , Suita , Japan
| | - T Yamada
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - Y Yasumura
- Amagasaki Central Hospital, Cardiology , Amagasaki , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine , Suita , Japan
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25
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Seo M, Watanabe T, Yamada T, Yano M, Hayashi T, Yasumura Y, Hikoso S, Sotomi Y, Sakata Y. The clinical relevance of quality of life in patients with acute decompensated heart failure with preserved ejection fraction: insights from the PURSUIT-HFpEF Registry. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Improvement of quality of life (QOL) is one of the most important therapeutic goals for patients with heart failure with preserved ejection fraction (HFpEF). It is, therefore, clinically relevant to comprehensively identify aggravating factors among cardiac factors, non-cardiac comorbidities, and social factors. The aim of this study was to elucidate determinant factors of impaired QOL and clarify the association between QOL and prognosis in patients with HFpEF.
Methods and results
Patient data were extracted from The Prospective mUlticenteR obServational stUdy of patIenTs with Heart Failure with Preserved Ejection Fraction (PURSUIT HFpEF) study. EuroQol 5 dimensions 5-level (EQ-5D-5L) data were obtained at discharge to evaluate patients' health-related QOL. A total of 864 patients were enrolled in this study. Multivariable logistic regression analysis revealed that only non-cardiac factors such as age, female sex, frailty, malnutrition and inflammation were significantly associated with low EQ-5D-5L score, whereas cardiac factors showed no significant association after multivariable adjustment. A total of 206 patients died over a mean follow-up period of 2.0±1.2 years. Kaplan–Meier survival curve analysis demonstrated a significant increase in risk of mortality stratified by tertiles of EQ-5D-5L score (p<0.0001). Cox multivariable analysis revealed that patients with low EQ-5D-5L score had a significantly greater risk of mortality than those with high EQ-5D-5L score (adjusted hazard ratio: 2.20 (1.40–3.45), p=0.001).
Conclusion
Among patients with HFpEF, non-cardiac factors such as age, female sex, frailty, malnutrition and inflammation are significantly associated with impaired QOL. The QOL score itself also offers useful prognostic information in patients with HFpEF.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M Seo
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - T Watanabe
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - T Yamada
- Osaka General Medical Center, Cardiology , Osaka , Japan
| | - M Yano
- Osaka Rosai Hospital, Cardiology , Osaka , Japan
| | - T Hayashi
- Osaka Police Hospital, Cardiology , Osaka , Japan
| | - Y Yasumura
- Amagasaki Central Hospital, Cardiology , Amagasaki , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine, Cardiovascular Medicine , Osaka , Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine, Cardiovascular Medicine , Osaka , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine, Cardiovascular Medicine , Osaka , Japan
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26
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Nakagawa Y, Sairyo M, Miyazawa K, Tamaki S, Yano M, Hayashi T, Yamada T, Yasumura Y, Hikoso S, Sotomi Y, Sakata Y. Insight into the relationship between heart rate and mortality in patients in sinus rhythm with heart failure with preserved ejection fraction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
There are several reports showing that elevated heart rate (HR) is associated with poor outcomes in patients in sinus rhythm (SR) with heart failure with preserved ejection fraction (HFpEF), although the association is weak or none in HFpEF patients with atrial fibrillation (Af). However, in previous studies, cardiac and non-cardiac factors which may be associated with elevated HR, have not been fully adjusted for.
Purpose
The purpose of this study is to explore covariates of elevated HR and to investigate the relationship between heart rate and mortality in HFpEF patients in SR.
Methods and results
Of the 1161 patients, who registered prospective multicenter, observational study of patients with HFpEF (PURSUIT-HFpEF), 726 patients in SR were examined. We performed laboratory testing and echocardiography in the compensated stage (in stable condition after treatment of acute decompensated HF). Geriatric nutritional risk index (GNRI) was calculated as nutrition index. Resting heart rate (HR) was analyzed as categorical (tertiles, T1–3). We followed the patients for median of 598 days (interquartile range 329–1028 days) to observe the outcome all-cause mortality.
The Kaplan analysis revealed that there was a significant difference between heart rate and mortality (log-rank, p=0.001). Characteristics were compared between patients in T1 (HR ≤63) and T3 (HR ≥75). There were no differences in cardiac factors between patients in T1 and T3. C-reactive protein (CRP) was significantly higher in patients in T3 than those in T1 (p=0.0004,). GNRI was significantly lower in patients in T3 than those in T1 (p=0.001). After adjustment for covariates including N-terminal pro-B type natriuretic peptide and estimated glomerular filtration rate, CRP and GNRI significantly correlated with HR (continuous variable) by multiple regression analysis (beta-coefficient = 1.52, p=0.003 and beta-coefficient = −0.14, p=0.04, respectively). Taking T1 as the reference, multivariable Cox regression analysis revealed that T3 was independently associated with mortality (hazard ratio: 2.10, 95% confidence interval: 1.33–3.32, p=0.001).
Conclusion
Although elevated HR was associated with enhanced inflammation and malnutrition, it itself was an independent predictor of death in HFpEF patients in SR.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Roche Diagnosis K.K.Fuji Film Toyama Chemical Co. Ltd.
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Affiliation(s)
- Y Nakagawa
- Kawanishi city Hospital , Kawanishi , Japan
| | - M Sairyo
- Kawanishi city Hospital , Kawanishi , Japan
| | - K Miyazawa
- Kawanishi city Hospital , Kawanishi , Japan
| | - S Tamaki
- Osaka General Medical Center , Osaka , Japan
| | - M Yano
- Osaka Rosai Hospital , Osaka , Japan
| | - T Hayashi
- Osaka Police Hospital , Osaka , Japan
| | - T Yamada
- Osaka General Medical Center , Osaka , Japan
| | - Y Yasumura
- Amagasaki Central Hospital , Amagasaki , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine , Suita , Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine , Suita , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine , Suita , Japan
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27
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Sakamoto D, Seo M, Yamada T, Yano M, Hayashi T, Yasumura Y, Hikoso S, Sotomi Y, Sakata Y. Prognostic impact of the serial change of a systemic inflammation-nutrition index in patients with heart failure with preserved ejection fraction: insights from pursuit-hfpef registry. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Malnutrition and inflammation are associated with poor outcomes with heart failure (HF). It has been reported that advanced lung cancer inflammation index (ALI), calculated by body mass index × serum albumin level / neutrophil to lymphocyte ratio (NLR) can be useful for the risk stratification and predicting the post-discharge prognosis of the patients with acute decompensated heart failure (ADHF). However, there is no information available on the prognostic value of the serial ALI change in ADHF patients with preserved ejection fraction (HFpEF).
Methods and results
Patients' data were extracted from The Prospective mUlticenteR obServational stUdy of patIenTs with Heart Failure with Preserved Ejection Fraction (PURSUIT HFpEF) study, which is a prospective multicenter observational registry for ADHF-HFpEF in Osaka. Laboratory data and body weight measurements were performed at the discharge and 1 year after the discharge. We analyzed 527 patients after exclusion of patients on dialysis, in-hospital death, missing follow-up data, or missing data to calculate ALI. The study patients were categorized by the serial change from baseline to 1 year after the discharge (ΔALI) as follows: low tertile: ΔALI <−6.99 (n=176), middle tertile: −6.99 ≤ ALI <8.44 (n=176), and high tertile: 8.44 ≤ ΔALI (n=175). The endpoints of the present study were all-cause death (ACD) and cardiovascular death (CVD). During a mean follow-up period of 1.5±1.0 years, 94 patients had ACD and 40 patients had CVD. The Kaplan-Meier analysis revealed that the patients with middle and low ΔALI at 1 year after heart failure hospitalization had a significantly greater risk of reaching the ACD and CVD than those with high ΔALI (ACD: 22% vs 22% vs 10%, p=0.0011, CVD: 10% vs 9% vs 3%, p=0.014). On multivariate Cox analysis, ΔALI was significantly associated with ACD independently of age, gender, serum NT-proBNP level, and baseline ALI after adjustment for NYHA functional class, serum creatinine level, serum hemoglobin level, serum CRP level, serum sodium level and LVEF.
Conclusion
This study showed that patients with the increased ALI after the discharge had improved outcome in comparison to those without the increased ALI. The serial change of ALI, a systemic inflammation-nutrition index, might be useful for stratifying ADHF patients with HFpEF at risk for the total mortality and cardiovascular mortality.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- D Sakamoto
- Osaka General Medical Center , Osaka , Japan
| | - M Seo
- Osaka General Medical Center , Osaka , Japan
| | - T Yamada
- Osaka General Medical Center , Osaka , Japan
| | - M Yano
- Osaka Rosai Hospital, Cardiology , Osaka , Japan
| | - T Hayashi
- Osaka Police Hospital, Cardiology , Osaka , Japan
| | - Y Yasumura
- Amagasaki Chuo Hospital, Cardiology , Amagasaki , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine, Cardiology , Osaka , Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine, Cardiology , Osaka , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine, Cardiology , Osaka , Japan
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28
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Nawata T, Yano M. Rheumatoid arthritis concurrent with striatal hand deformity. Rheumatol Adv Pract 2022; 6:rkac068. [PMID: 36133963 PMCID: PMC9486982 DOI: 10.1093/rap/rkac068] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
- Takashi Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube, Japan
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29
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Ishiguchi H, Okamura T, Yano M. Left atrial appendage thrombus secondary to left atrial ischaemia owing to impaired left atrial branch perfusion. Eur Heart J Case Rep 2022; 6:ytac355. [PMID: 36212624 PMCID: PMC9536287 DOI: 10.1093/ehjcr/ytac355] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/08/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022]
Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube , Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube , Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine , Ube , Japan
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30
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Ishiguchi H, Uchida M, Okamura T, Kobayashi S, Yano M. Acute heart failure following the initiation of cabozantinib, a multikinase inhibitor: A case report. J Cardiol Cases 2022; 26:217-220. [DOI: 10.1016/j.jccase.2022.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/16/2022] [Accepted: 04/25/2022] [Indexed: 10/17/2022] Open
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31
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Nawata J, Ishiguchi H, Yoshiga Y, Wada Y, Yano M. Iatrogenic tricuspid regurgitation after ablation for premature ventricular contraction originating near the right bundle branch. Eur Heart J Cardiovasc Imaging 2022; 23:e494. [PMID: 35950346 DOI: 10.1093/ehjci/jeac165] [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: 11/13/2022] Open
Affiliation(s)
- 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
| | - 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
| | - Yasuhiro Yoshiga
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Yasuaki Wada
- Division of Cardiology, Department of Medicine and Clinical Science, 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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32
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Ishiguchi H, Yoshiga Y, Shimizu A, Ueyama T, Fukuda M, Kato T, Fujii S, Hisaoka M, Uchida T, Omuro T, Okamura T, Kobayashi S, Yano M. Long-term events following catheter-ablation for atrial fibrillation in heart failure with preserved ejection fraction. ESC Heart Fail 2022; 9:3505-3518. [PMID: 35894764 DOI: 10.1002/ehf2.14079] [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: 03/02/2022] [Revised: 06/06/2022] [Accepted: 07/05/2022] [Indexed: 11/07/2022] Open
Abstract
AIMS Data regarding prognostic events following catheter ablation (CA) for atrial fibrillation (AF) in patients with heart failure with preserved ejection fraction (HFpEF) are scarce. We conducted this study to compare the incidence of major adverse clinical events (MACE) following CA for AF between patients with HFpEF and those with systolic heart failure (HF). METHODS AND RESULTS This single-centre observational study included 142 patients with HF who underwent CA for AF (median follow-up: 4.0 [2.6, 6.3] years). The patients were grouped based on the presence of HFpEF (n = 84) and systolic HF (left ventricular ejection fraction <50%, n = 58). We compared the cumulative incidence and incidence rate of MACE, comprising all-cause death, unplanned cardiovascular hospitalization (CVH), and HF hospitalization (HFH) between both groups and the number of HFH before and after CA in each group. Multivariate analysis was performed to identify the predictors of MACE in patients with HFpEF. The incidence of MACE was comparable between the groups (following the first procedure: HFpEF: 23%, 4.7/100 person-years, vs. systolic HF: 28%, 6.6/100 person-years, P = 0.18; last procedure: 20%, 4.8/100 person-years, vs. 24%, 6.9/100 person-years, P = 0.21). Although the incidence of HFH was lower in patients with HFpEF than in those with systolic HF (first procedure: 14%, 2.9/100 person-years, vs. 24%, 5.7/100 person-years, P = 0.07; last procedure: 11%, 2.5/100 person-years, vs. 24%, 6.9/100 person-years, P = 0.01), the incidence of CVH was higher (first procedure: 8%, 1.7/100 person-years, vs. 5%, 1.2/100 person-years, P = 0.74; last procedure: 6%, 1.4/100 person-years, vs. 2%, 0.5/100 person-years, P = 0.4). The number of HFH significantly decreased in both groups after CA (HFpEF: 1 hospitalization [the first and third quartiles: 0, 1] in pre-CA, vs. 0 hospitalizations [0, 0] in post-CA, P < 0.0001; systolic HF: 1 hospitalization [0, 1], vs. 0 hospitalizations [0, 0], P < 0.005). The proportion of HFH among total clinical events was significantly smaller in patients with HFpEF than in those with systolic HF (following the first procedure: 56% vs. 88%, P < 0.005; last procedure: 52% vs. 92%, P < 0.005). CONCLUSIONS CA for AF could be beneficial for patients with HFpEF, similar to those with systolic HF. However, clinical events other than HFH should be considered cautiously in such patients.
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Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yasuhiro Yoshiga
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Akihiko Shimizu
- Department of Cardiology, Ube-Kohsan Central Hospital, Ube, Japan
| | - Takeshi Ueyama
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masakazu Fukuda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takayoshi Kato
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shohei Fujii
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masahiro Hisaoka
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Tomoyuki Uchida
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takuya Omuro
- Faculty of Health Sciences, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shigeki Kobayashi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Sakai C, Mikawa M, Yamamoto T, Uchida T, Nakamura Y, Akase H, Suetomi T, Tominaga N, Inamitsu M, Oda T, Okamura T, Kobayashi S, Yano M. Dantrolene reduces platelet-derived growth factor (PDGF)-induced vascular smooth muscle cell proliferation and neointimal formation following vascular injury in mice. Biochem Biophys Res Commun 2022; 623:51-58. [PMID: 35872542 DOI: 10.1016/j.bbrc.2022.07.038] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 06/29/2022] [Accepted: 07/11/2022] [Indexed: 11/02/2022]
Abstract
Dantrolene is a ryanodine receptor blocker that is used clinically for treatment of malignant hyperthermia. This study was conducted using murine aortic vascular smooth muscle cells (MOVAS) and a mouse arterial injury model to investigate the inhibitory effect of dantrolene on smooth muscle cell proliferation and migration. We investigated whether dantrolene suppressed platelet-derived growth factor (PDGF)-induced vascular smooth muscle cell proliferation and migration in vitro. The effect of dantrolene on smooth muscle phenotype was evaluated using immunostaining. In addition, smooth muscle cell proliferation and phenotype switching were tested by applying dantrolene around blood vessels using a mouse arterial injury model. Dantrolene inhibited PDGF-induced cell proliferation and migration of MOVAS. Dantrolene also inhibited the switch from contractile to synthetic phenotype both in vitro and in vivo. Dantrolene is effective at inhibiting vascular smooth muscle cell proliferation, migration, and neointimal formation following arterial injury in mice.
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Affiliation(s)
- Chihiro Sakai
- Department of Laboratory Medicine, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Mei Mikawa
- 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.
| | - 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
| | - 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
| | - Hideaki Akase
- 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
| | - 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
| | - Takayuki Okamura
- 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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Mikawa M, Sakai C, Yamamoto T, Nakamura Y, Tanaka S, Tominaga N, Inamitsu M, Oda T, Kobayashi S, Yano M. Herpud1 suppress angiotensin II induced hypertrophy in cardiomyocytes. Biochem Biophys Rep 2022; 30:101248. [PMID: 35313646 PMCID: PMC8933685 DOI: 10.1016/j.bbrep.2022.101248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/26/2022] [Accepted: 03/07/2022] [Indexed: 11/05/2022] Open
Abstract
Purpose The purpose of this study was to analyze the role of homocysteine-responsive endoplasmic reticulum-resident ubiquitin-like domain member 1 (Herpud1) gene in the development of cardiomyocyte hypertrophy. Method In order to examine the effect of suppressing Herpud1 expression, Herpud1 small interfering RNA (siRNA) was introduced into H9C2 cells, which are cell lines derived from rat myocardium, and the degree of Herpud1 protein expression and cell hypertrophy in the Herpud1 siRNA-transfected group and the control group was compared by immunostaining 48 h after Herrpud1 siRNA introduction. To examine whether hypertrophy induced by angiotensin II (Ang II) can be suppressed by the overexpression of Herpud1, the green fluorescent protein (GFP)-Herpud1 plasmid was introduced into H9C2 cells, and the degree of cell hypertrophy was examined in the GFP-Herpud1-and control groups for 48 h. Nuclear translocation of nuclear factor of activated T-cells, cytoplasmic 4 (NFATc4), a transcription factor for hypertrophic genes, was also examined. Results [1] Herpud1 siRNA-transfected cells showed decreased Herpud1 protein expression and hypertrophy formation compared to control cells [2]; Overexpression of Herpud1 suppresses Ang II-induced cell hypertrophy; and [3] Overexpression of Herpud1 inhibits nuclear translocation of NFATc4. Discussion It was suggested that Herpud1 might be an anti-hypertrophic gene in Ang II induced cardiomyocytes hypertrophy. Silencing Herpud1 resulting hypertrophy of cardiomyocyte. Transient overexpression of Herpud1supress Ang II induced hypertrophy of cardiomyocyte. Silencing Herpud1 accelerate the NFAT nuclear translocation. Overexpression of Herpud1 block the NFAT nuclear translocation.
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Akase H, Okamura T, Fujimura T, Miyazaki Y, Matsuyama T, Yano M. Mechanism of a Stuck Crown of the Orbital Atherectomy System and Successful Retrieval Procedure. JACC Cardiovasc Interv 2022; 15:e89-e90. [PMID: 35151610 DOI: 10.1016/j.jcin.2022.01.006] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/04/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Hideaki Akase
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan.
| | - Tatsuhiro Fujimura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yosuke Miyazaki
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Tetsuya Matsuyama
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Ishiguchi H, Yoshiga Y, Shimizu A, Ueyama T, Ono M, Fukuda M, Kato T, Fujii S, Hisaoka M, Uchida T, Omuro T, Okamura T, Kobayashi S, Yano M. The Differential Prognostic Impact of Long-Duration Atrial High-Rate Episodes Detected by Cardiac Implantable Electronic Devices between Patients with and without a History of Atrial Fibrillation. J Clin Med 2022; 11:jcm11061732. [PMID: 35330056 PMCID: PMC8954400 DOI: 10.3390/jcm11061732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 02/01/2023] Open
Abstract
Long-duration atrial high-rate episodes (AHREs) monitored using cardiac implantable electronic devices (CIEDs) can predict long-term major adverse cardiovascular events (MACEs). This study aimed to compare the impact of long-duration AHRE on MACE development between patients with and without a history of atrial fibrillation (AF). This single-center observational study included 132 CIED-implanted patients with AHREs detected via remote monitoring. The population was dichotomized into groups: with (n = 69) and without (n = 63) AF. In each group, cumulative incidences of MACEs comprising all-cause deaths, heart failure hospitalizations, strokes, and acute coronary syndromes were compared between patients with AHRE durations of ≥24 h and <24 h. Multivariate analysis was performed to identify predictors of MACEs among patients without AF. MACE incidence was significantly higher in patients with AHRE ≥24 h than in those with <24 h in the group without AF (92% vs. 30%, p = 0.005). MACE incidence did not significantly differ between AHRE ≥24 h and <24 h in the group with AF (54% vs. 26%, p = 0.44). After a multivariate adjustment, AHRE duration of ≥24 h emerged as the only independent predictor of MACEs among patients without AF (p = 0.03). In conclusion, a long-duration AHRE was prognostic in patients without a history of AF but not in patients with a history of AHREs.
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Affiliation(s)
- Hironori Ishiguchi
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
- Correspondence: ; Tel.: +81-836-22-2248; Fax: +81-836-22-2246
| | - Yasuhiro Yoshiga
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Akihiko Shimizu
- Department of Cardiology, Ube-Kohsan Central Hospital, Ube 755-0151, Japan;
| | - Takeshi Ueyama
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Makoto Ono
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Masakazu Fukuda
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Takayoshi Kato
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Shohei Fujii
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Masahiro Hisaoka
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Tomoyuki Uchida
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Takuya Omuro
- Department of Medicine and Clinical Science, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan;
| | - Takayuki Okamura
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Shigeki Kobayashi
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, Ube 755-8508, Japan; (Y.Y.); (T.U.); (M.O.); (M.F.); (T.K.); (S.F.); (M.H.); (T.U.); (T.O.); (S.K.); (M.Y.)
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Ishiguchi H, Uchida M, Sadahiro H, Kimura S, Okamura T, Kobayashi S, Yano M. Acute Cardiac Tamponade Due to Microscopic Venous Invasion of Lung Adenocarcinoma. Circ J 2022; 86:1311. [DOI: 10.1253/circj.cj-22-0059] [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: 11/09/2022]
Affiliation(s)
- Hironori Ishiguchi
- Department of Cardiology, Yamaguchi University Graduate School of Medicine
| | - Masamune Uchida
- Department of Cardiology, Yamaguchi University Graduate School of Medicine
| | - Hirokazu Sadahiro
- Department of Neurosurgery, Yamaguchi University Graduate School of Medicine
| | - Sotai Kimura
- Department of Molecular Pathology, Yamaguchi University Graduate School of Medicine
| | - Takayuki Okamura
- Department of Cardiology, Yamaguchi University Graduate School of Medicine
| | - Shigeki Kobayashi
- Department of Cardiology, Yamaguchi University Graduate School of Medicine
| | - Masafumi Yano
- Department of Cardiology, Yamaguchi University Graduate School of Medicine
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Oishi K, Matsunaga K, Asami-Noyama M, Yamamoto T, Hisamoto Y, Fujii T, Harada M, Suizu J, Murakawa K, Chikumoto A, Matsuda K, Kanesada H, Kikuchi Y, Hamada K, Uehara S, Suetake R, Ohata S, Murata Y, Yamaji Y, Sakamoto K, Ito K, Osoreda H, Edakuni N, Kakugawa T, Hirano T, Yano M. Author Correction: The 1-minute sit-to-stand test to detect desaturation during 6-minute walk test in interstitial lung disease. NPJ Prim Care Respir Med 2022; 32:9. [PMID: 35217672 PMCID: PMC8881506 DOI: 10.1038/s41533-022-00274-y] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Keiji Oishi
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan.
| | - Kazuto Matsunaga
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Maki Asami-Noyama
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tasuku Yamamoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yukari Hisamoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tetsuya Fujii
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Misa Harada
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Junki Suizu
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Keita Murakawa
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Ayumi Chikumoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kazuki Matsuda
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Haruka Kanesada
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Yujiro Kikuchi
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kazuki Hamada
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Sho Uehara
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Ryo Suetake
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Syuichiro Ohata
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yoriyuki Murata
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yoshikazu Yamaji
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kenji Sakamoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kosuke Ito
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Hisayuki Osoreda
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Nobutaka Edakuni
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tomoyuki Kakugawa
- Department of Pulmonology and Gerontology, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tsunahiko Hirano
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan
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Kurazumi H, Suzuki R, Shirasawa B, Miyazaki Y, Tateishi H, Oda T, Okamura T, Mikamo A, Yano M, Hamano K. Early and Long-Term Outcomes of Transcatheter Aortic Valve Replacement for Selected Nonagenarians in Japan. Circ J 2022; 86:1748-1755. [PMID: 35135943 DOI: 10.1253/circj.cj-21-0949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Transcatheter aortic valve implantation (TAVI) is increasingly being performed in very elderly patients, although its efficacy and validity remain unclear. This study evaluated real-world TAVI outcomes in Japanese nonagenarians with severe aortic stenosis.Methods and Results:This single-center study retrospectively assessed the early and long-term clinical outcomes of TAVI in nonagenarians (n=35) and in patients aged <90 years (group Y; n=171). There were no in-hospital deaths in either group. The device success rate and early safety were comparable between the 2 groups. The 5-year rates of freedom from cardiac events and deaths were equivalent in both groups. The cumulative survival rate at 5 years was non-significantly lower in nonagenarians (32.6% in nonagenarians vs. 57.5% in patients aged <90 years, P=0.49). There were no differences in the 5-year survival between nonagenarians after TAVI and the sex- and age-matched populations (P=0.18). The Cox regression model revealed that lower hemoglobin levels were associated with all-cause mortality (P=0.02), and age ≥90 years was not associated with all-cause mortality. CONCLUSIONS The early and long-term clinical outcomes of TAVI for selected Japanese nonagenarians were comparable to those in patients aged <90 years. Nonagenarians who underwent TAVI achieved an acceptable prognosis compared to the sex- and age-matched population; thus, TAVI appears to be effective for treating aortic stenosis in Japanese nonagenarians.
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Affiliation(s)
- Hiroshi Kurazumi
- Division of Cardiac Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Ryo Suzuki
- Division of Cardiac Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Bungo Shirasawa
- Division of Cardiac Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Yosuke Miyazaki
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Hiroki Tateishi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Tetsuro Oda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Akihito Mikamo
- Division of Cardiac Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Kimikazu Hamano
- Division of Cardiac Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine
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Ishiguchi H, Yoshiga Y, Shimizu A, Ueyama T, Ono M, Fukuda M, Kato T, Fujii S, Hisaoka M, Uchida T, Omuro T, Shimokawa M, Okamura T, Kobayashi S, Yano M. Impact of Atrial Tachyarrhythmia Recurrence on the Development of Long-Term Adverse Clinical Events Following Catheter Ablation in Patients With Atrial Fibrillation With Systolic Impairment: A Single-Center Observational Study. J Am Heart Assoc 2022; 11:e023640. [PMID: 35112883 PMCID: PMC9245821 DOI: 10.1161/jaha.121.023640] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Catheter ablation can improve long‐term prognosis of patients with atrial fibrillation with systolic impairment. However, atrial tachyarrhythmia (ATA) recurrence increases during long‐term follow‐up. We aimed to investigate the impact of ATA recurrence on the development of long‐term adverse clinical events following catheter ablation for atrial fibrillation and to identify predictors for the development of adverse clinical events. Methods and Results This single‐center observational study included 75 patients with systolic impairment (left ventricular ejection fraction <50%) who underwent the first catheter ablation procedure for atrial fibrillation at our institution (median follow‐up period: 3.5 [range: 2.4–4.7] years). We compared the cumulative incidence of adverse clinical events (all‐cause death, heart failure hospitalization, stroke, or acute myocardial infarction) between the groups with and without ATA recurrence following the first and last procedures. Multivariable analyses were performed to identify predictors for developing adverse clinical events. Twenty‐one patients (28%) developed adverse clinical events at a median of 2.2 (range: 0.64–2.8) years following the first procedure. The proportion of freedom from adverse clinical events following the first procedure was significantly lower in the ATA recurrence group than in the nonrecurrence group (41% [n=40] versus 95% [n=35], P<0.0005); the proportion following the last procedure also showed a similar tendency (35% [n=26] versus 57% [n=49], P<0.0001). ATA recurrence emerged as an independent predictor for adverse clinical events following both procedures after multivariable adjustment. Conclusions ATA recurrence following catheter ablation procedure could predict adverse clinical events in patients with atrial fibrillation with systolic impairment.
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Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Yasuhiro Yoshiga
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Akihiko Shimizu
- Department of Cardiology Ube-Kohsan Central Hospital Ube Japan
| | - Takeshi Ueyama
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Makoto Ono
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Masakazu Fukuda
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Takayoshi Kato
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Shohei Fujii
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Masahiro Hisaoka
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Tomoyuki Uchida
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Takuya Omuro
- Faculty of Health Sciences Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Mototsugu Shimokawa
- Department of Biostatistics Yamaguchi University Graduate School of Medicine Ube Japan
| | - Takayuki Okamura
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Shigeki Kobayashi
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
| | - Masafumi Yano
- Division of Cardiology Department of Medicine and Clinical Science Yamaguchi University Graduate School of Medicine Ube Japan
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Ishiguchi H, Kaneyuki K, Yoshiga Y, Fukuda M, Okamura T, Yano M. Paroxysmal Atrioventricular Block in a Patient With Pacemaker Following Long-Distance Casting During Sea Fishing. Circ J 2022; 86:1143. [PMID: 35110427 DOI: 10.1253/circj.cj-21-1028] [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: 11/09/2022]
Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Keita Kaneyuki
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Yasuhiro Yoshiga
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Masakazu Fukuda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
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Nishimura T, Okamura T, Fujimura T, Miyazaki Y, Takenaka H, Akase H, Tateishi H, Mochizuki M, Uchinoumi H, Oda T, Yano M. Feasibility, reproducibility and characteristics of coronary bifurcation type assessment by three-dimensional optical coherence tomography. PLoS One 2022; 17:e0263246. [PMID: 35104282 PMCID: PMC8806074 DOI: 10.1371/journal.pone.0263246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 01/17/2022] [Indexed: 11/18/2022] Open
Abstract
Aim To investigate the characteristics of coronary artery bifurcation type (parallel or perpendicular type) using three-dimensional (3D) optical coherence tomography (OCT), and determine the feasibility, reproducibility, assessment time and correlation with bifurcation angles measured by 3D quantitative coronary angiography (QCA). Methods and results We evaluated 60 lesions at the coronary bifurcation that were treated by main vessel (MV) stenting with kissing balloon inflation (KBI) under OCT/optical frequency domain imaging (OFDI) guidance. Inter- and intra-observer agreement regarding the assessment of 3D bifurcation types were 0.88 and 0.94, respectively. The assessment times of 3D-OCT bifurcation type with OCT and OFDI were within about 30 seconds. 3D-OCT bifurcation types showed the greatest correlation with the distal bifurcation angle assessed by 3D-QCA among the three bifurcation angles (distal bifurcation angle, proximal bifurcation angle and main vessel angle), and the optimal cut-off distal bifurcation angle to predict a perpendicular type bifurcation, as determined by ROC analysis, was 51.0° (AUC 0.773, sensitivity 0.80, specificity 0.67). Based on this cut-off value for the distal bifurcation angle (51°), the diagnostic accuracy for perpendicular type bifurcation in cases with a BA ≥ 51° (n = 34) was 70.6% (24/34) and that of the parallel type bifurcation in cases of BA < 51° (n = 26) was 76.9% (20/26). Conclusion Performing 3D-OCT for assessment of coronary artery bifurcation type is feasible and simple, and can be done in a short time with high reproducibility.
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Affiliation(s)
- Takashi Nishimura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
- * E-mail:
| | - Tatsuhiro Fujimura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yosuke Miyazaki
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Hitoshi Takenaka
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Hideaki Akase
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Hiroki Tateishi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Mamoru Mochizuki
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Hitoshi Uchinoumi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Tetsuro Oda
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Obayashi M, Kobayashi S, Nanno T, Hamada Y, Yano M. Relation between Oscillometric Measurement of Central Hemodynamics and Left Ventricular Hypertrophy in Hypertensive Patients. Pulse (Basel) 2022; 9:116-124. [PMID: 35083178 DOI: 10.1159/000520006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/28/2021] [Indexed: 12/20/2022] Open
Abstract
Introduction The augmentation index (AIx) or central systolic blood pressure (SBP), measured by radial applanation tonometry, has been reported to be independently associated with left ventricular hypertrophy (LVH) in Japanese hypertensive patients. Cuff-based oscillometric measurement of the AIx using Mobil-O-Graph® showed a low or moderate agreement with the AIx measurement with other devices. Methods The AIx measured using the Mobil-O-Graph was validated against the tonometric measurements of the radial AIx measured using HEM-9000AI in 110 normotensive healthy individuals (age, 21-76 years; 50 men). We investigated the relationship between the central hemodynamics assessed using the Mobil-O-Graph and LVH in 100 hypertensive patients (age, 54-75 years; 48 men), presenting a wall thickness of ≥11 mm and ≥10 mm in men and women, respectively. Results Although the Mobil-O-Graph-measured central AIx showed no negative values, it correlated moderately with the HEM-9000AI-measured radial AIx (r = 0.602, p < 0.001) in the normotensive individuals. The hypertensive patients did not show a significant difference in the central SBP between the sexes, but the central AIx was lower in men than in women. The independent determinants influencing left ventricle (LV) mass index (LVMI) (R2 = 0.362; adjusted R2 = 0.329, p < 0.001) were heart rate (β = -0.568 ± 0.149, p < 0.001), central SBP (β = 0.290 ± 0.100, p = 0.005), and aortic root diameter (β = 1.355 ± 0.344, p = 0.001). Age (β = -0.025 ± 0.124, p = 0.841) and the central AIx (β = 0.120 ± 0.131, p = 0.361) were not independently associated with the LVMI. The area under the receiver operator characteristic curve to evaluate the diagnostic performance of the central AIx for the presence of LVH (LVMI >118 g/m2 in men or >108 g/m2 in women) was statistically significant in men (0.875, p < 0.001) but not in women (0.622, p = 0.132). In men, a central AIx of 28.06% had a sensitivity of 83.3% and specificity of 80.0% for detecting LVH. Conclusions AIx measurement in men provided useful prognostic information for the presence of LVH. Pulse-wave analysis assessed using the Mobil-O-Graph may be a valuable tool for detecting LVH in hypertensive patients.
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Affiliation(s)
- Masakazu Obayashi
- Department of Cardiovascular Medicine, Sanyo-Onoda City Hospital, Sanyo-Onoda, Japan
| | - Shigeki Kobayashi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takuma Nanno
- Department of Cardiovascular Medicine, Sanyo-Onoda City Hospital, Sanyo-Onoda, Japan
| | - Yoriomi Hamada
- Department of Cardiovascular Medicine, Sanyo-Onoda City Hospital, Sanyo-Onoda, Japan
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Oishi K, Matsunaga K, Asami-Noyama M, Yamamoto T, Hisamoto Y, Fujii T, Harada M, Suizu J, Murakawa K, Chikumoto A, Matsuda K, Kanesada H, Kikuchi Y, Hamada K, Uehara S, Suetake R, Ohata S, Murata Y, Yamaji Y, Sakamoto K, Ito K, Osoreda H, Edakuni N, Kakugawa T, Hirano T, Yano M. The 1-minute sit-to-stand test to detect desaturation during 6-minute walk test in interstitial lung disease. NPJ Prim Care Respir Med 2022; 32:5. [PMID: 35087054 PMCID: PMC8795411 DOI: 10.1038/s41533-022-00268-w] [Citation(s) in RCA: 6] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 12/22/2021] [Indexed: 11/18/2022] Open
Abstract
Although the 6 min walk test (6MWT) is well-established for assessing desaturation in patients with interstitial lung disease (ILD), it cannot be easily performed in primary healthcare settings. This retrospective observational study aimed to evaluate the usefulness of the 1 min sit-to-stand test (1STST) for assessing desaturation during 6MWT in ILD patients with normal resting blood oxygen levels. We included 116 patients, and the pulse oxygen saturation (SpO2) for both methods was analyzed. The SpO2 nadir during the 1STST and 6MWT correlated strongly (ρ = 0.82). The frequency of patients with nadir SpO2 < 90% was consistent for both tests (κ = 0.82). 1STST was superior to diffusing capacity for carbon monoxide in detecting desaturation during the 6MWT. These findings were similarly stratified according to performance status or dyspnea scale. The 1STST can easily measure exertional desaturation in ILD patients with normal resting blood oxygen levels and is an alternative to the 6MWT.
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Affiliation(s)
- Keiji Oishi
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan.
| | - Kazuto Matsunaga
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Maki Asami-Noyama
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tasuku Yamamoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yukari Hisamoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tetsuya Fujii
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Misa Harada
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Junki Suizu
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Keita Murakawa
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Ayumi Chikumoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kazuki Matsuda
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Haruka Kanesada
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Yujiro Kikuchi
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kazuki Hamada
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Sho Uehara
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Ryo Suetake
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Syuichiro Ohata
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yoriyuki Murata
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Yoshikazu Yamaji
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kenji Sakamoto
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Kosuke Ito
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Hisayuki Osoreda
- Department of Respiratory Medicine, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan
| | - Nobutaka Edakuni
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tomoyuki Kakugawa
- Department of Pulmonology and Gerontology, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Tsunahiko Hirano
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Ube, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, Japan
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Yoshitomi R, Kobayashi S, Yano Y, Nakashima Y, Fujii S, Nanno T, Ishiguchi H, Fukuda M, Yoshiga Y, Okamura T, Suga K, Kawano R, Yano M. Enhanced oxidative stress and presence of ventricular aneurysm for risk prediction in cardiac sarcoidosis. Heart 2022; 108:429-437. [PMID: 35078868 PMCID: PMC8899481 DOI: 10.1136/heartjnl-2021-320244] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 12/13/2021] [Indexed: 12/27/2022] Open
Abstract
Objective Sudden cardiac death (SCD) is the major cause of death in cardiac sarcoidosis (CS). We aimed to identify the prognostic markers for sustained ventricular tachycardia (sVT) and SCD in patients with CS. Methods We performed a prospective observational cohort study for patients with CS diagnosed according to the Japanese or Heart Rhythm Society guidelines between June 2008 and March 2020 in our hospital. The primary endpoint was a composite of the first sVT and SCD. The levels of urinary 8-hydroxy-2′-deoxyguanosine (U-8-OHdG), a marker of oxidative DNA damage that reflects the inflammatory activity of CS, other biomarkers, and indices of cardiac function and renal function were measured on admission. Results Eighty-nine consecutive patients with CS were enrolled; 28 patients with no abnormal 18F-fluorodeoxyglucose (18F-FDG) accumulation in the heart were excluded and 61 patients with abnormal 18F-FDG accumulation were followed up for a median of 46 months (IQR: 20–84). During the follow-up period, 15 of 61 patients showed sVT (n=12) or SCD (n=3). A Cox proportional hazard model showed that U-8-OHdG concentration and presence of ventricular aneurysm (VA) were independent predictors of first sVT/SCD. The cut-off U-8-OHdG concentration for predicting first sVT/SCD was 14.9 ng/mg·Cr. Patients with U-8-OHdG concentration ≥14.9 ng/mg·Cr and VA showed a significantly increased risk of sVT/SCD. Conclusions U-8-OHdG and presence of VA were powerful predictors of first sVT/SCD in patients with CS, facilitating the stratification of cardiac events and providing relevant information about the substrates of ventricular tachycardia.
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Affiliation(s)
- Ryosuke Yoshitomi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shigeki Kobayashi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yasutake Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yusuke Nakashima
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Shohei Fujii
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takuma Nanno
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Hironori Ishiguchi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Masakazu Fukuda
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Yasuhiro Yoshiga
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Takayuki Okamura
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | | | - Reo Kawano
- Clinical Research Center in Hiroshima, Hiroshima University Hospital, Hiroshima, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Omuro A, Wada Y, Yoshiga Y, Okuda S, Okamoto T, Fukuda M, Omuro T, Maeda T, Kinoshita N, Okamura T, Nishikawa J, Takami T, Tanaka N, Yano M. Prevalence and characteristics of transesophageal echocardiography-related esophageal mucosal injury in patients with atrial fibrillation who underwent pulmonary vein isolation. Int J Cardiol 2022; 350:118-124. [PMID: 34990714 DOI: 10.1016/j.ijcard.2021.12.057] [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: 08/27/2021] [Revised: 12/14/2021] [Accepted: 12/29/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Transesophageal echocardiography (TEE) is the gold standard for detecting thrombi in the left atrium (LA) and left atrial appendage (LAA) prior to pulmonary vein isolation (PVI) for the treatment of atrial fibrillation (AF). Although TEE has a good safety profile, it was recently reported that TEE preceding PVI can cause esophageal mucosal injuries (EMIs). The exact mechanism remains to be elucidated. In the present study, we investigated the incidence and risk factors of TEE-related EMI (TEE-EMI) among patients who underwent PVI for AF. METHODS AND RESULTS This study included 262 consecutive patients who underwent PVI with preoperative TEE using a 3D TEE probe and postoperative esophagogastroduodenoscopy. TEE-EMIs were observed in 16 (6.1%) patients (18 lesions), whereas PVI-related EMIs were found in 5 (1.9%) patients (8 lesions). All TEE-EMIs were observed in the upper or middle esophagus and occurred more frequently in the right region of the upper esophagus and the left anterior region of the middle esophagus; only one patient experienced mild chest discomfort. In the multivariate analysis, advanced age was an independent risk factor for TEE-EMIs (odds ratio 1.08, 95% confidence interval 1.01-1.16; P = 0.0274). CONCLUSIONS The incidence of TEE-EMIs with 3D TEE probes was relatively high in the upper or middle esophagus, anatomically close to the LA, among patients who underwent PVI. Advanced age could pose a significant risk. These findings may warrant consideration of other methods to rule out LA/LAA thrombi, especially in elderly patients.
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Affiliation(s)
- Ayumi Omuro
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan.
| | - Yasuaki Wada
- Division of Clinical Laboratory, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Yasuhiro Yoshiga
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Shinichi Okuda
- 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 Okamoto
- Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Masakazu Fukuda
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Takuya Omuro
- Department of Clinical Laboratory Science, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Takako Maeda
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Natsu Kinoshita
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Takayuki Okamura
- Department of Medicine and Clinical Science, Division of Cardiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Jun Nishikawa
- Department of Clinical Laboratory Science, Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Taro Takami
- Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi 755-8505, Japan
| | - Nobuaki Tanaka
- Department of Clinical Laboratory Science, Faculty of Health Sciences, 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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Ishiguchi H, Okamura T, Kobayashi S, Yano M. Alternating Bundle Branch Block With Paroxysmal Atrioventricular Block 22 Months After Valve-in-Valve Transcatheter Aortic Valve Replacement. Circ J 2021; 86:170. [PMID: 34483227 DOI: 10.1253/circj.cj-21-0600] [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: 11/09/2022]
Affiliation(s)
- Hironori Ishiguchi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Takayuki Okamura
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Shigeki Kobayashi
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
| | - Masafumi Yano
- Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
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Nawata T, Kubo M, Yano M. Rapid weight loss in a patient with anti-synthetase syndrome treated with sodium-glucose cotransporter 2 inhibitors and corticosteroids. Rheumatol Adv Pract 2021; 5:rkab045. [PMID: 34646978 PMCID: PMC8499691 DOI: 10.1093/rap/rkab045] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 06/21/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Takashi Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
| | - Makoto Kubo
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
| | - Masafumi Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
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Nakagawa Y, Tamaki S, Yano M, Hayashi T, Yamada T, Yasumura Y, Hikoso S, Sotomi Y, Sakata Y. Characteristics and prognosis in heart failure with preserved ejection fraction patients without left ventricular hypertrophy. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Clinical heterogeneity exists in heart failure with preserved ejection fraction (HFpEF). Left ventricular (LV) structure in HFPEF is characterized by normal LV cavity size and LV hypertrophy (LVH). However some of HFPEF patients do not have LV hypertrophy, and these patients may have distinct characteristics,
Purpose
The purpose of this study is to clarify the clinical characteristics and the prognosis for HFPEF patients without LVH.
Methods
We studied 1097 patients, who were hospitalized for acute decompensated heart failure with LVEF ≥50%, and enrolled in the PURSUIT-HFpEF registry. Laboratory testing and echocardiography were examined in the compensated stage (in stable condition after treatment of acute decompensated HF). We divided these patients into 2 groups based on LV mass index (LVMI) in the compensated stage according to the American Society of Echocardiography/European Association of Cardiovascular Imaging recommendations; patients with LVH (48%) and those without LVH (52%).
Results
Patients without LVH had significantly lower levels of C-reactive protein and N-terminal pro brain natriuretic peptide (NT-proBNP) and higher levels of estimated glomerular filtration rate in the compensated stage than those with it (p<0.05 for all). Cox hazard regression analysis showed that absence of LVH was favorably associated with the primary composite endpoint of all-cause death, HF rehospitalization, and cerebrovascular events (hazard ratio 0.776, 95% confidence interval 0.620-to 0.970, p<0.05).
On the other hand, the frequency of atrial fibrillation (Af) in the decompensated stage was higher in patients without LVH than those with it (52.1% vs 39.3%, p<0.001). Multivariate logistic analysis showed that absence of LVH was independently associated with presence of Af in the decompensated stage (odds ratio=1.520, 95% confidence interval 1.130 to 2.050, P<0.01)
Conclusions
HFPEF patients without LVH have less organ damage and favorable prognosis. Af may play a role in the decompensation of HF in HFPEF patients without LVH.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Roche Diagnostics K.K. (Grant number: not applicable)Fuji Film Toyama Chemical Co., Ltd. (Grant number: not applicable)
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Affiliation(s)
- Y Nakagawa
- Kawanishi city Hospital, Kawanishi, Japan
| | - S Tamaki
- Osaka General Medical Center, Osaka, Japan
| | - M Yano
- Osaka Rosai Hospital, Division of Cardiology, Sakai, Japan
| | | | - T Yamada
- Osaka General Medical Center, Osaka, Japan
| | - Y Yasumura
- Amagasaki Central Hospital, Amagasaki, Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine, Suita, Japan
| | - Y Sotomi
- Osaka University Graduate School of Medicine, Suita, Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine, Suita, Japan
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50
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Kinoshita N, Nawata T, Okuda S, Kubo M, Wada Y, Kobayashi S, Tanaka N, Yano M. Cardiac phenotypes in the acute-phase of microscopic polyangiitis involves dilatation of the left atrium caused by LV diastolic dysfunction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Microscopic polyangiitis (MPA) is a type of primary systemic vasculitis that affects various organs, especially the lungs and kidneys. However, few reports regarding cardiac features of MPA patients were found.
Purpose
We aim to investigate the echocardiographic parameters of acute-phase MPA.
Methods and results
This single-center retrospective study included 15 patients with MPA (Mean age at 72.2±7.1 years, women 73.3%) who underwent echocardiography within two weeks of commencing steroid therapy for induction or reinduction. The echocardiography parameters of the patients were compared with those of 30 age and sex-matched controls. In the MPA group, the commonly affected organs were kidneys (93.3%) and lungs (46.7%); 5 patients (33.3%) had a history of hypertension, which had a similar frequency as the control group. No significant difference in left ventricular (LV) diameter, LV ejection fraction, e', or inferior vena cava diameter was observed between the two groups. However, the MPA group showed significantly higher left atrial (LA) diameter (p=0.033) and LA volume index (p=0.001), as well as higher early diastolic filling velocity (E-wave, p=0.015; E/A, p=0.043; E/e', p=0.041), diastolic pulmonary venous flow velocity (p=0.013), trans-tricuspid pressure gradient (p=0.019), and shorter deceleration time (p=0.038), associated with mildly thicker ventricular walls of left ventricle (LV) than the control group. Moreover, serum levels of C-reactive protein showed significant correlation between E wave (r=0.58, p=0.023), E/A (r=0.67, p=0.006), and deceleration time (r=−0.69, p=0.005) in the MPA group. These results may indicate that in MPA, increased LV stiffness, rather than impairment of LV relaxation was contributed to LV diastolic function, resulting in LA enlargement.
Conclusion
Patients with acute-phase MPA had LA dilatation associated with LV diastolic dysfunction. This finding indicates the importance of cardiac assessment in patients with MPA.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- N Kinoshita
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - T Nawata
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - S Okuda
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - M Kubo
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - Y Wada
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - S Kobayashi
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - N Tanaka
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
| | - M Yano
- Yamaguchi University Graduate School of Medicine, Department of Medicine and Clinical Science, Ube, Japan
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