Endocardial Pacing in On-table Non-responders in Cardiac Resynchronization Therapy

Heart Failure Clinical Trial

Official title: Non-Responders in Cardiac Resynchronization Therapy

Status Withdrawn

Clinical Trial Summary

The purpose of this study is to determine whether left ventricular endocardial pacing exhibits a greater acute hemodynamic response during biventricular pacing in patients who do not show this response to standard cardiac resynchronization therapy.

Clinical Trial Description

Cardiac resynchronisation therapy (CRT) with biventricular pacemakers and implantable cardiac defibrillators (ICD) has proven to be a valuable therapy in selected patients with systolic heart failure, ameliorating both morbidity and mortality. However, with current selection criteria and implant technique, about 20 to 30 % of patients remain non-responders. Non-responders might be due to failing selection criteria or methodology in casu echocardiography. However, an important number of non-responders may result of sub-optimal positioning of the left ventricular lead, remote from the site of delayed activation. Endocardial left ventricular stimulation may ameliorate the shortcomings of epicardial stimulation. The advantage of an endocardial approach is the absence of phrenic nerve stimulation which regularly complicates epicardial pacing, a more predictable pacing threshold and much less restriction to position the lead in the area of interest. Transseptal left ventricular endocardial pacing has already been used in patients in whom standard epicardial pacing was not applicable. ;

Study Design

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

Related Conditions & MeSH terms

• Heart Failure

• NCT number: NCT01193712
• Study type: Interventional
• Source: Catharina Ziekenhuis Eindhoven
• Status: Withdrawn
• Phase: N/A
• Start date: August 2010
• Completion date: April 2012