April 29, 2026Journal of the American College of Cardiology
Obstructive sleep apnea and cardiovascular disease
Key result
CPAP improves hemodynamics and cardiac function, yet OSA remains an underdiagnosed cardiovascular risk factor.
Why the study?
Obstructive sleep apnea is a common disorder strongly associated with cardiovascular risk factors and remains underdiagnosed and undertreated despite effective therapies.
Does CPAP treatment improve cardiovascular outcomes in patients with obstructive sleep apnea?
Population
Patients with obstructive sleep apnea
Comparison
Nasal continuous positive airway pressure and weight loss versus no treatment or standard care
Design
Review
Authors
Discussion
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Implication
Hypothesis-generating for OSA screening in HCM to avert cardiac arrest; leaves open CPAP benefit pending randomized trials.
Key Points
- To review the pathophysiological link between obstructive sleep apnea and cardiovascular disease and examine the clinical efficacy of continuous positive airway pressure therapy.
- Synthesized clinical evidence evaluating obstructive sleep apnea as an independent contributor to cardiovascular pathologies and metabolic abnormalities.
- Assessed outcomes from therapeutic interventions, specifically lifestyle weight reduction and long-term nasal continuous positive airway pressure use.
- Obstructive sleep apnea functions as an independent risk factor for hypertension and contributes to heart failure, pulmonary hypertension, arrhythmias, and atherosclerosis.
- Long-term nasal continuous positive airway pressure therapy resolves sleep apnea, diminishes nocturnal cardiac ischemic events, and improves daytime blood pressure and left ventricular function.
- The disorder remains substantially underdiagnosed and undertreated, predominantly driven by a lack of clinical awareness among physicians.
Structured PICO
Does CPAP treatment improve cardiovascular outcomes in patients with obstructive sleep apnea?
P
Population
Patients with obstructive sleep apnea (OSA)
I
Intervention
Nasal continuous positive airway pressure (CPAP) and weight loss
OSA is an independent cardiovascular risk factor that remains underdiagnosed, despite the availability of effective treatments like CPAP that improve cardiovascular parameters.
Cite This Study
Lattimore et al. (2003) conducted a review in Obstructive sleep apnea. Continuous positive airway pressure (CPAP) was evaluated. Obstructive sleep apnea is an independent risk factor for cardiovascular disease, and while CPAP therapy improves hemodynamics and cardiac function, the condition remains underdiagnosed.