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Electrical Resynchronization and Acute Hemodynamic Effects of Direct His Bundle Pacing Compared to Biventricular Pacing

Cardiac Resynchronization Therapy Clinical Trial

Official title:
Electrical Resynchronization and Acute Hemodynamic Effects of Direct His Bundle Pacing Compared to Biventricular Pacing

Clinical Trial Summary

The aims are to compare Direct His Bundle Pacing (DHBP) with biventricular pacing (BiV) in terms of electrical resynchronization using electrocardiographic imaging (ECGI) and also in terms of acute hemodynamical effect using finger plethysmography and conduction velocimetry. The study will be a randomized crossover design with acute measurements.

Clinical Trial Description

By recruiting native conducting tissue to relay electrical activation of the ventricles via the Purkinje fibre network, DHBP may potentially achieve greater electrical resynchronization and hemodynamic benefit compared to BiV where the electrical activation wavefronts propagate from two discrete pacing sites. Electrical synchrony achieved by these pacing modes have however never been compared. Furthermore, the acute hemodynamic effect of DHBP has been compared to BiV only in a small single study to date. The aims are to compare DHBP with BiV in terms of electrical resynchronization using electrocardiographic imaging (ECGI) and also in terms of acute hemodynamical effect using finger plethysmography and conduction velocimetry. The primary endpoint will be left ventricular activation time, with secondary endpoints including various electrical (right ventricular activation time, total ventricular activation time etc) and hemodynamic parameters (systolic pressure, cardiac output, cardiac contractility). It is expected that DHBP offers shorter left ventricular activation time (i.e. better synchrony) and hemodynamic benefit compared to BiV. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03452462
Study type Interventional
Source University Hospital, Geneva
Contact
Status Completed
Phase N/A
Start date April 1, 2019
Completion date November 26, 2020
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