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Updated: May 12, 2025
Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
Optimal Exercise Modalities and Doses for Alleviating Dyspnea Symptoms and Enhancing Exercise Capacity in Patients
Jingyi Xie1, Jindong Guo2, Bin Wang1
1School of Physical Education, Central China Normal University, Wuhan.
Objective:
To investigate the optimal exercise modalities and doses for alleviating dyspnea and enhancing exercise capacity in patients with chronic obstructive pulmonary disease (COPD).
Data Sources:
PubMed, Cochrane, Embase, and Web of Science were searched until June 2024.
Study Selection:
Randomized controlled trials on dyspnea and exercise capacity in patients with COPD were included.
Data Extraction:
Exercises were compared using a network and dose-response meta-analysis. Two authors independently extracted the data and assessed bias risk.
Data Synthesis:
The study included 46 randomized controlled trials (2363 participants). Continuous aerobic training (mean difference [MD]=55.2; 95% credible interval [CrI], 28.1-84.5; Grading of Recommendations Assessment, Development and Evaluation [GRADE]: Low), interval training (MD=84.5; 95% CrI, 24.6-145; GRADE: Low), Qigong (MD=33.3; 95% CrI, 10.4-58.1; GRADE: Low), and resistance training (MD=41.5; 95% CrI, 7.27-77.7; GRADE: Low) improved 6-minute walk distance (6MWD). Qigong (MD=-8.20; 95% CrI, -15.6 to -1.50; GRADE: Low) and yoga (MD=-28.3; 95% CrI, -48.1 to -8.61; GRADE: Low) showed significant improvements in St. George's Respiratory Questionnaire (SGRQ). Resistance training (MD=12.1; 95% CrI, 4.62-18.7; GRADE: Low) correlated positively with forced expiratory volume in 1 second (FEV1), while Qigong correlated positively with forced vital capacity (FVC) (MD=0.378; 95% confidence interval, 0.087-0.620; GRADE: Low). Interval training, yoga, resistance training, and Qigong ranked the highest in 6MWD, SGRQ, FEV1, and FVC. The dose-response curve revealed an increasing trend in the effect of exercise intensity on enhancing 6MWD with intensified exercise levels. Regarding SGRQ scores, the optimal effect was observed at an exercise intensity of 620 metabolic equivalent of task (MET)-min/wk (MD=-7.07, 95% CrI, -12.23 to -1.87). The optimal exercise intensity was 350 MET-min/wk for FEV1 (MD=0.44, 95% CrI, 0.09-0.80) and FVC (MD=0.44, 95% CrI, 0.09-0.80).
Conclusions:
Low quality evidence shows that interval training, yoga, resistance training, and Qigong effectively improved dyspnea and exercise capacity in patients with COPD. Optimal exercise doses vary across outcomes, necessitating personalized adjustments based on health status.
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