Handgrip Strength as a Predictor of Exercise Capacity in Coronary Heart Disease

Woohyeun Kim, Se Hyun Park, Woo Sub Kim, Won Young Jang, Eun Jin Park, Dong Oh Kang, Yoonjee Park, Jin Oh Na, Jin Won Kim, Eung Ju Kim, Seung Woon Rha, Chang Gyu Park, Hong Seog Seo, Cheol Ung Choi

Research output: Contribution to journalArticlepeer-review

Abstract

PURPOSE: A recent study has shown that quadriceps strength can be used to predict the level of exercise capacity in patients with coronary heart disease. We investigated whether the relationship between muscular strength and exercise capacity is also observed with handgrip strength (HGS). METHODS: We studied 443 participants (61.8 ± 11.2 yr; 78% male) who underwent coronary intervention and participated in cardiac rehabilitation between 2015 and 2018. Logistic regression was used to assess the relationship between various clinical measures (HGS, age, sex, etc) with the distance walked on a 6-minute walk test (6MWT) and maximal oxygen uptake ((Equation is included in full-text article.)O2max). RESULTS: Handgrip strength was related to distance walked on the 6MWT (r = 0.435, P < .001). It was the only predictor of all exercise capacity categories, and one of the strongest predictors of each exercise capacity category. An HGS of 26% of body weight predicted an achievement of a 200-m walk on the 6MWT (positive predictive value = 0.95). However, HGS <36% of body weight predicted that 500 m could not be done in 6 min (negative predictive value = 0.97). This trend was also observed in the subgroups in which (Equation is included in full-text article.)O2max was measured. CONCLUSION: This study demonstrates that HGS is associated with exercise capacity in coronary heart disease and can be used to predict the level of exercise capacity. These findings may contribute to setting the recommended level of daily activity as well as the level of cardiac rehabilitation in coronary heart disease.

Original languageEnglish
Pages (from-to)E10-E13
JournalJournal of cardiopulmonary rehabilitation and prevention
Volume40
Issue number2
DOIs
Publication statusPublished - 2020 Mar 1

ASJC Scopus subject areas

  • Rehabilitation
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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