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Clinical Trial Summary

Today patients with a Cardiac Resynchronization Therapy (CRT) indication usually receive 2 ventricular leads, right ventricular (RV) apex and left ventricular (LV) (postero-) lateral, gaining a responder rate of approximately 70%. However, the physiological agitation of the left ventricle takes place over two pathways. Therefore single point stimulation might be insufficient for a dilated, insufficiently and asynchronously contracting left ventricle, resulting in either insufficient or no response to the therapy.

In the "CRT ICD Dual LV" study the patients receive a second LV lead in an anterior vein. When this lead is placed, temporary dual LV stimulation is started. To assess the effectivity of the dual LV lead stimulation intraoperatively a LV dp/dt-pressure measurement is taken. If there is an increase in LV dp/dt, the patients will be stimulated with both leads permanently. If not they will be stimulated conventionally.

The patients participating in this study are monitored for 12 months after implantation.


Clinical Trial Description

n/a


Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01415024
Study type Interventional
Source Schuechtermann-Klinik
Contact Wolfgang Kranig, MD
Phone +49-5424-6410
Email wkranig@schuechtermann-klinik.de
Status Recruiting
Phase Phase 4
Start date May 2011

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