Population
68 consecutive patients (53 men, 15 women, aged 63.4 +/- 10.0 years) referred for angina evaluation
Design
Cross-sectional
Authors
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Supports SDB evaluation in angina referrals with reduced LVEF; leaves open causality and treatment effects.
In patients referred for angina evaluation, sleep-disordered breathing is common and its severity correlates with left ventricular dysfunction rather than the presence of coronary artery disease.
Sanner et al. (2001) studied this question.