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Severity of OSA Impacts Atrial Fibrillation Treatment Efficacy

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Patients with severe obstructive sleep apnea (OSA) appear less likely to respond to antiarrhythmic drug therapy for atrial fibrillation (AF) than those with mild or moderate OSA. Patients who did not respond to therapy for AF were more likely to have severe OSA (52%) than milder forms (23%).

Abstract: American Journal of Cardiology, August 1, 2012.

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