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Aerobic exercise training and obstructive sleep apnea: dose-response meta-analyses
Imran Hasan Iftikhar1,2, Alexandria M Reynolds3, Essa AlBisher4
1Department of Medicine, Division of Pulmonary, Allergy, Critical Care & Sleep Medicine, Emory University School of Medicine, Atlanta, GA, USA. imran.hasan.iftikhar@emory.edu.
Sleep & Breathing = Schlaf & Atmung
|September 14, 2024
Summary
Aerobic exercise improves obstructive sleep apnea (OSA) severity. A weekly duration of 70-100 minutes of exercise shows optimal benefits for OSA patients, improving apnea hypopnea index (AHI) and sleepiness.
Area of Science:
- Exercise physiology
- Sleep medicine
- Cardiorespiratory health
Background:
- Obstructive sleep apnea (OSA) is a common sleep disorder.
- Aerobic exercise training is known to improve OSA severity.
- A clear dose-response relationship for aerobic exercise in OSA has not been established.
Purpose of the Study:
- To quantify the dose-response relationship between weekly aerobic exercise duration and OSA outcomes.
- To identify optimal exercise 'doses' for improving key sleep apnea metrics.
Main Methods:
- Systematic review and dose-response meta-analysis of randomized controlled trials (RCTs).
- Included studies focused on supervised aerobic exercise in OSA patients.
- Primary outcomes: Apnea-hypopnea index (AHI), cardiorespiratory fitness (VO2peak), and Epworth Sleepiness Scale (ESS).
Main Results:
- A non-linear dose-response was found between exercise duration and AHI improvement, with maximal effects around 100 min/week.
- Cardiorespiratory fitness (VO2peak) showed a similar non-linear trend.
- Sleepiness (ESS) demonstrated a linear dose-response relationship with exercise duration.
Conclusions:
- Recommends 70-100 minutes of aerobic exercise per week as adjunctive therapy for OSA.
- Suggests distributing exercise over 3-5 days per week for optimal outcomes.
- Highlights the importance of exercise prescription in OSA management.
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