Efficacy of pulmonary rehabilitation in patients with chronic obstructive pulmonary disease and obstructive sleep apnea; a randomized controlled trial.
Honghua Shen, Yiming Xu, Yin Zhang and 2 others
PMID 39318173WHAT IT FOUND
Adding 20 weeks of moderate-intensity aerobic exercise to positive airway pressure therapy improved walking distance, daily living activities, and sleep-related oxygen levels in patients with both COPD and sleep apnea, compared to airway pressure therapy alone.
Key findings
01The intervention group had significantly higher walking distance at 20 weeks compared to the control group, while the control group showed no significant change from baseline.
02Patients receiving pulmonary rehabilitation showed significantly greater improvements in activities of daily living and reduced dyspnea compared to those receiving airway pressure therapy alone.
03The rehabilitation group experienced significant reductions in body weight, BMI, and fat mass, whereas the control group showed significant increases in these measures.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
High dropout rate (22 of 79 randomized patients) primarily due to poor PAP adherence, which may bias results. Patients and clinical staff were not blinded to the intervention. The study did not include resistance training, limiting conclusions about muscle strength changes. Results may not generalize to all patients with COPD-OSA overlap due to specific inclusion criteria (e.g., no severe oxygen desaturation at baseline).
Declared interests
The authors declared no conflicts of interest. Funding was provided by the National Natural Science Foundation of China and a local medical research project.
The easy way to misread this
Do not assume that pulmonary rehabilitation improves lung function tests like FEV1; the study found no significant difference in spirometry results between the groups.