Effects of resistance training on exercise capacity in elderly patients with chronic obstructive pulmonary disease: a me
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REVIEW
Effects of resistance training on exercise capacity in elderly patients with chronic obstructive pulmonary disease: a meta‑analysis and systematic review Ning Li1 · Peijun Li1 · Yufan Lu1 · Zhengrong Wang1 · Jian Li1 · Xiaodan Liu2,3 · Weibing Wu1 Received: 29 April 2019 / Accepted: 27 August 2019 © Springer Nature Switzerland AG 2019
Abstract Objective The objective of this study was to summarize and determine the effectiveness of resistance training on exercise capacity in patients with chronic obstructive pulmonary disease (COPD). Methods We searched PubMed, EMBASE, Cochrane Library, and two Chinese databases (China National Knowledge Infrastructure and Wanfang Data) to identify articles written in English or Chinese and published from January 2000 to January 2019. Randomized controlled trials were included if they evaluated the effects of resistance training on exercise capacity in COPD patients. We assessed the quality of the trials using the Physiotherapy Evidence Database Scale. Data from these studies were pooled to calculate weighted mean difference (WMD) or standardized mean difference (SMD) with 95% confidence intervals (CI). Results Eleven studies with a total of 405 participants met the inclusion criteria. Compared with the non-exercise control group, resistance training significantly improved 6-min walking distance (WMD, 54.52; 95% CI 25.47–83.56; I2 = 43%; P = 0.14), transfer numbers for the 6-min pegboard and ring test (WMD, 25.17; 95% CI 10.17–40.16; I2 = 0%; P = 0.55), and tolerance time for the unsupported upper-limb exercise test (SMD, 0.41; 95% CI 0.03–0.79; I2 = 0%; P = 0.83). There were no significant differences in constant work rate endurance test results or in peak oxygen uptake between the two groups. Conclusions Resistance training was an effective approach to improve functional exercise capacity, endurance exercise capacity, and peak exercise capacity in COPD patients. Keywords Chronic obstructive pulmonary disease · Resistance training · Functional exercise capacity · Endurance exercise capacity · Meta-analysis
Introduction Chronic obstructive pulmonary disease (COPD) is a common disease that is characterized by persistent respiratory symptoms and airflow limitation [1]. According to * Xiaodan Liu [email protected] * Weibing Wu [email protected] 1
Department of Sports Medicine, Shanghai University of Sport, Shanghai 200438, China
2
School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
3
Institute of Rehabilitation Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
a 2018 Lancet report, the prevalence of COPD has risen from 8.2% in 2008 to 13.7% among Chinese people aged ≥ 40 years [2]. Patients with COPD often complain of a decline in exercise capacity, which is associated with hospital admissions [3], leading to a substantial financial burden on individuals and families. Exercise capacity is the most significant predictor of mortality in COPD patients [4]. In addition, exer
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