Volume 21, Issue 5 pp. 411-415
ORIGINAL ARTICLE: EPIDEMIOLOGY, CLINICAL PRACTICE AND HEALTH

Mid-arm muscle circumference as an indicator of exercise tolerance in chronic heart failure

Shinjiro Miyazaki

Corresponding Author

Shinjiro Miyazaki

Rehabilitation Center, KKR Takamatsu Hospital, Takamatsu, Japan

Graduate School of Medicine, Kagawa University, Kita-gun, Japan

Correspondence

Shinjiro Miyazaki PT, Director, Rehabilitation Center, KKR Takamatsu Hospital, 4-18 Tenjinmae, Takamatsu City, Kagawa Prefecture 760-0018, Japan.

Email: [email protected]

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Shusei Hayashino

Shusei Hayashino

Rehabilitation Center, KKR Takamatsu Hospital, Takamatsu, Japan

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Ichiro Matsumoto

Ichiro Matsumoto

Department of Cardiology, KKR Takamatsu Hospital, Takamatsu, Japan

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Mizuki Kurozumi

Mizuki Kurozumi

Department of Cardiology, KKR Takamatsu Hospital, Takamatsu, Japan

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Tsunetatsu Namba

Tsunetatsu Namba

Department of Cardiology, KKR Takamatsu Hospital, Takamatsu, Japan

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Yuichiro Takagi

Yuichiro Takagi

Department of Cardiology, KKR Takamatsu Hospital, Takamatsu, Japan

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Jun Kunikata

Jun Kunikata

Clinical Research Support Center, Kagawa University Hospital, Kita-gun, Japan

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Tetsuo Minamino

Tetsuo Minamino

Department of Cardiorenal and Cerebrovascular Medicine, Faculty of Medicine, Kagawa University, Kita-gun, Japan

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First published: 05 April 2021
Citations: 3

Abstract

Aim

Skeletal muscle mass is associated with exercise tolerance in patients with chronic heart failure (CHF). Anthropometric indicators are used to evaluate skeletal muscle mass, as these can be easily assessed in clinical practice. However, the association between anthropometric indicators and exercise tolerance is unclear. This study aimed to investigate the association between anthropometric indicators and exercise tolerance in CHF patients.

Methods

We evaluated 69 patients with CHF. Mid-arm circumference, mid-arm muscle circumference (MAMC), calf circumference and body mass index were measured as the anthropometric indicators. Exercise tolerance was evaluated according to the peak oxygen uptake (VO2). Correlation analyses were carried out to determine the association between peak VO2 and anthropometric indicators. Furthermore, univariate and multiple regression analyses were carried out using peak VO2 as the dependent variable, and age, male, left ventricular ejection fraction, angiotensin II receptor blocker or angiotensin converting enzyme inhibitor, diuretics, B-type natriuretic peptide, estimated glomerular filtration rate, hemoglobin and anthropometric indicators as the independent variables.

Results

There were significant positive correlations between the peak VO2 and mid-arm circumference (rs = 0.378, P = 0.001), MAMC (r = 0.634, P < 0.001) and calf circumference (r = 0.292, P = 0.015). In multiple regression analysis, MAMC (β = 0.721, P < 0.001) and estimated glomerular filtration rate (β = 0.279, P = 0.007) were independent factors associated with peak VO2.

Conclusions

MAMC is independently associated with peak VO2 in CHF patients. Thus, MAMC could be an indicator of exercise tolerance, which is closely related to the severity and prognosis of CHF. Geriatr Gerontol Int 2021; 21: 411–415.

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