著者

Shigeru Makita Takanori Yasu Yoshihiro J Akashi Hitoshi Adachi Hideo Izawa Shunichi Ishihara Yoshitaka Iso Hideo Ohuchi Kazuto Omiya Yusuke Ohya Koichi Okita Yutaka Kimura Akira Koike Masahiro Kohzuki Shinji Koba Masataka Sata Kazunori Shimada Tomoki Shimokawa Hirokazu Shiraishi Naokata Sumitomo Tetsuya Takahashi Tomoyuki Takura Hiroyuki Tsutsui Masatoshi Nagayama Emiko Hasegawa Yoshihiro Fukumoto Yutaka Furukawa Shin-ichiro Miura Satoshi Yasuda Sumio Yamada Yuichiro Yamada Dai Yumino Toshiko Yoshida Takuji Adachi Toshimi Ikegame Kazuhiro P Izawa Takeshi Ishida Neiko Ozasa Naohiko Osada Hiroaki Obata Naoya Kakutani Yusuke Kasahara Masaaki Kato Kentaro Kamiya Shintaro Kinugawa Yuji Kono Yasuyuki Kobayashi Teruyuki Koyama Kazuhiro Sase Shinji Sato Tatsuhiro Shibata Norio Suzuki Daisuke Tamaki Minako Yamaoka-Tojo Michio Nakanishi Eisaku Nakane Mari Nishizaki Taiki Higo Kanta Fujimi Tasuku Honda Yasuharu Matsumoto Noriko Matsumoto Ikuko Miyawaki Makoto Murata Shusuke Yagi Masanobu Yanase Midori Yamada Miho Yokoyama Noboru Watanabe Haruki Ito Takeshi Kimura Syunei Kyo Yoichi Goto Ryuji Nohara Ken-Ichi Hirata on behalf of the Japanese Circulation Society/the Japanese Association of Cardiac Rehabilitation Joint Working Group

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-22-0234, (Released:2022-12-09)

参考文献数

559

被引用文献数

67

著者

Hidenori Kato Hiroki Watanabe Akira Koike Longmei Wu Kosuke Hayashi Hirotomo Konno Takeshi Machino Isao Nishi Akira Sato Hiroaki Kawamoto Kazutaka Aonuma Yoshiyuki Sankai Masaki Ieda

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

vol.86, no.1, pp.60-67, 2021-12-24 (Released:2021-12-24)

参考文献数

29

被引用文献数

1 5

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Background:Aiming to establish an effective tool in new cardiac rehabilitation programs, we investigated the use of a lumbar-type hybrid assistive limb (HAL) in patients with heart failure (HF) who had difficulty in walking at the usual speed of healthy subjects (≈80 m/min).Methods and Results:We randomly assigned 28 HF patients (age, 73.1±13.8 years) to perform a sit-to-stand exercise with or without HAL. The sit-to-stand exercise was repeated as many times as possible as cardiac rehabilitation therapy over a period of 6–10 days. We measured 5 parameters before and after the completion of cardiac rehabilitation: B-type natriuretic peptide, Short Physical Performance Battery (SPPB), 6-min walking distance (6MWD), 30-s chair-stand test (CS-30), and isometric knee extensor muscle strength. The SPPB and 6MWD were significantly improved, and the CS-30 score was somewhat improved, after the exercise therapy in both the HAL and non-HAL groups. The knee extensor muscle strength improved significantly in the HAL group (0.29±0.11 to 0.35±0.11 kgf/kg, P<0.01), but showed no change in the non-HAL group (0.35±0.11 to 0.35±0.13 kgf/kg, P=0.40).Conclusions:The improved knee extensor muscle strength in the HAL group suggests that the lumbar-type HAL may be an effective tool for cardiac rehabilitation in HF patients with frailty, which is a predictor of poor prognosis in HF.

著者

Hidenori Kato Hiroki Watanabe Akira Koike Longmei Wu Kosuke Hayashi Hirotomo Konno Takeshi Machino Isao Nishi Akira Sato Hiroaki Kawamoto Kazutaka Aonuma Yoshiyuki Sankai Masaki Ieda

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-21-0381, (Released:2021-09-11)

参考文献数

29

被引用文献数

5

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Background:Aiming to establish an effective tool in new cardiac rehabilitation programs, we investigated the use of a lumbar-type hybrid assistive limb (HAL) in patients with heart failure (HF) who had difficulty in walking at the usual speed of healthy subjects (≈80 m/min).Methods and Results:We randomly assigned 28 HF patients (age, 73.1±13.8 years) to perform a sit-to-stand exercise with or without HAL. The sit-to-stand exercise was repeated as many times as possible as cardiac rehabilitation therapy over a period of 6–10 days. We measured 5 parameters before and after the completion of cardiac rehabilitation: B-type natriuretic peptide, Short Physical Performance Battery (SPPB), 6-min walking distance (6MWD), 30-s chair-stand test (CS-30), and isometric knee extensor muscle strength. The SPPB and 6MWD were significantly improved, and the CS-30 score was somewhat improved, after the exercise therapy in both the HAL and non-HAL groups. The knee extensor muscle strength improved significantly in the HAL group (0.29±0.11 to 0.35±0.11 kgf/kg, P<0.01), but showed no change in the non-HAL group (0.35±0.11 to 0.35±0.13 kgf/kg, P=0.40).Conclusions:The improved knee extensor muscle strength in the HAL group suggests that the lumbar-type HAL may be an effective tool for cardiac rehabilitation in HF patients with frailty, which is a predictor of poor prognosis in HF.

著者

Shinya Suzuki Takeshi Yamashita Takayuki Ohtsuka Koichi Sagara Tokuhisa Uejima Yuji Oikawa Junji Yajima Akira Koike Kazuyuki Nagashima Hajime Kirigaya Ken Ogasawara Hitoshi Sawada Tsutomu Yamazaki Tadanori Aizawa

出版者

日本循環器学会

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

vol.74, no.1, pp.66-70, 2010 (Released:2009-12-25)

参考文献数

45

被引用文献数

12 22

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Background: Although recent studies have suggested that height and body mass index (BMI) independently affect the prevalence of atrial fibrillation (AF), their combined effects have not been fully examined in Japanese patients. Methods and Results: Patients without organic cardiac diseases, hypertension and diabetes mellitus were screened from a prospective, single hospital-based cohort of the Shinken Database 2004-2007 (n=4,719). Both height and BMI significantly increased the crude rate of AF prevalence and the effects were significant even after adjustment by age, sex and left atrial dimension. The relative risks (RRs) for AF in the height and BMI categories were 2.07 (95% confidence interval [CI] 1.70-2.52) and 1.78 (95%CI 1.46-2.17), respectively, in the highest tertile compared with the lowest tertile. The RRs in the highest combined tertile was high to 2.98 (95%CI 2.07-4.28) compared with the lowest combined tertile, an unignorable figure for AF prevalence in the future. Conclusions: Height and BMI synergistically affected the prevalence of AF in Japanese patients. With respect to the recent increase in body size of the Japanese population, the present study predicts that there will be more occurrences of AF than previously predicted. (Circ J 2010; 74: 66 - 70)

著者

Hiroto Kano Akira Koike Masayo Hoshimoto-Iwamoto Osamu Nagayama Koji Sakurada Takeya Suzuki Hidekazu Tsuneoka Hitoshi Sawada Tadanori Aizawa Karlman Wasserman

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.1111011451, (Released:2011-11-16)

参考文献数

23

被引用文献数

13 11

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Background: The aim of the present study was to compare the end-tidal O2 pressure (PETO2) to end-tidal CO2 pressure (PETCO2) in cardiac patients during rest and during 2 states of exercise: at anaerobic threshold (AT) and at peak. The purpose was to see which metabolic state, PETO2 or PETCO2, best correlated with exercise limitation. Methods and Results: Thirty-eight patients with left ventricular (LV) ejection fraction <40% underwent cardiopulmonary exercise testing (CPX). PETO2 and PETCO2 were measured during CPX, along with peak O2 uptake (VO2), AT, slope of the increase in ventilation (VE) relative to the increase in CO2 output (VCO2) (VE vs. VCO2 slope), and the ratio of the increase in VO2 to the increase in work rate (ΔVO2/ΔWR). Both PETO2 and PETCO2 measured at AT were best correlated with peakVO2, AT, ΔVO2/ΔWR and VE vs. VCO2 slope. PETO2 at AT correlated with reduced peak VO2 (r=-0.60), reduced AT (r=-0.52), reduced ΔVO2/ΔWR (r=-0.55) and increased VE vs. VCO2 slope (r=0.74). PETCO2 at AT correlated with reduced peak VO2 (r=0.67), reduced AT (r=0.61), reduced ΔVO2/ΔWR (r=0.58) and increased VE vs. VCO2 slope (r=-0.80). Conclusions: PETCO2 and PETO2 at AT correlated with peak VO2, AT and ΔVO2/ΔWR, but best correlated with increased VE vs. VCO2 slope. PETO2 and PETCO2 at AT can be used as a prime index of impaired cardiopulmonary function during exercise in patients with LV failure.