Study Status: Active, not recruiting
Recruit Status: Active, not recruiting
Study Type: Observational
Official Title: Effects of Adaptive Servoventilation in Patients With Systolic Heart Failure and Sleep-Disordered Breathing
Brief Summary: Prospective, follow-up registry of heart failure patients with or without sleep-disordered breathing (SDB). To test the hypothesis that treatment of nocturnal central sleep apnea with Cheyne-Stokes respiration by adaptive servoventilation (ASV) improves symptoms, cardiac performance and event-free survival.