Quartet™ Bad Oeynhausen Trial

Quartet™ Bad Oeynhausen Trial

Primary objective of this study is to evaluate whether the use of a quadripolar left ventricular (LV) electrode compared to a standard bipolar LV electrode leads to lower non-responder rates in patients undergoing cardiac resynchronization therapy (CRT)

Inclusion Criteria:

• Indication for CRT-D implantation according to current guidelines
• Ischemic cardiomyopathy (ICM) or dilated cardiomyopathy (DCM)
• Sinus rhythm
• NYHA II-IV
• Age ≥ 18 years
• Written informed consent to participate in the study

Exclusion Criteria:

• Right bundle brunch block
• Valvular cardiomyopathy
• Patient receiving a non-transvenous LV electrode
• Known pregnancy
• Age < 18 years
• Life expectancy < 1 year
• Atrial fibrillation / atrial flutter at the time of enrolment
• Inability to provide informed consent
• Participation in another study with active therapeutic arm
• Regular follow-up in the study center within the first 6 months after implantation not guaranteed