Sleep medicine
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It remains uncertain whether continuous positive airway pressure (CPAP) therapy would significantly impact hard clinical outcomes in patients with obstructive sleep apnea (OSA). This meta-analysis aimed to assess the effects of CPAP in survival and secondary prevention of major cardiovascular events in patients with OSA and cardiovascular disease (CVD). ⋯ Low-quality evidence suggests that CPAP therapy does not significantly improve survival or prevent major cardiovascular events in adults with OSA and cardiovascular disease.