Outcomes in Patients with Chronic Obstructive Pulmonary Disease and Obstructive Sleep Apnea: The Overlap Syndrome

RATIONALE: Patients with chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea (OSA) (overlap syndrome) are more likely to develop pulmonary hypertension than patients with either condition alone. OBJECTIVES: To assess the relation of overlap syndrome to mortality and first-time h... View More