Related Experiment Video
Updated: Aug 6, 2026
Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Minimal invasive epicardial lead implantation: optimizing cardiac resynchronization with a new mapping device for
J G Maessen1, B Phelps, A L A J Dekker
1Department of Cardio Thoracic Surgery, Cardiovascular Research Institute Maastricht, University Hospital Maastricht, Maastricht, The Netherlands. j.maessen@scpc.azm.nl
Abstract:
To optimize resynchronization in biventricular pacing with epicardial leads, mapping to determine the best pacing site, is a prerequisite. A port access surgical mapping technique was developed that allowed multiple pace site selection and reproducible lead evaluation and implantation. Pressure-volume loops analysis was used for real time guidance in targeting epicardial lead placement. Even the smallest changes in lead position revealed significantly different functional results. Optimizing the pacing site with this technique allowed functional improvement up to 40% versus random pace site selection.
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