I50.1 R06.3
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - a persistent impairment of systolic left ventricular function according to echocardiographic criteria (LVEF = 45%) - stable NYHA-class = II - implanted cardioverter-defibrillator device (ICD) - implanted cardiac resynchronization therapy device with cardiover-defibrillator (CRT-D) at least 6 months prior to enrollment - stable heart failure medication for at least 4 weeks prior to enrolment and during follow-up
Exclusion criteria
Exclusion criteria: - history of or ongoing treatment of SDB - significant valvular heart disease - evidence of moderate to severe pulmonary disease (FEV1/VC 45mmHg) - pregnancy - acute coronary syndrome - acute myocardial decompensation - therapy refractory restless legs syndrome
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary study outcome was defined as the event-free survival period to first appropriate cardioverter-defibrillator therapy, namely anti-tachycardia pacing and/or shock. | — |
Secondary
| Measure | Time frame |
|---|---|
| - Event-free survival period to first appropriately monitored ventricular arrhythmia, including sustained and non-sustained monomorphic ventricular tachycardia, polymorphic ventricular tachycardia, ventricular flutter or ventricular fibrillation (according to ICD/CRT-device data - changes in NYHA-functional class (subjective, according to patient´s opinion) - changes in nocturia (subjective, according to patient´s opinion) - changes in echocardiographic parameters (LVEF, LVEDD) - changes in cardiopulmonary exercise testing results (VO2 peak, VO2 predicted, VO2 AT) - changes in blood gas measurements (pO2, pCO2, sO2) | — |
Countries
Germany
Contacts
ikfe HDZ GmbH