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Translational Rabbit Model of Chronic Cardiac Pacing
Published on: January 6, 2023
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Pacing of Specialized Conduction System
Santosh K Padala1, Kenneth A Ellenbogen1
1Department of Cardiac Electrophysiology, Virginia Commonwealth University, Gateway Building, 3 Road Floor, 3-216, 1200 East Marshall Street, Richmond, VA, USA.
Cardiology Clinics
|June 15, 2023
Summary
Right ventricular pacing can cause cardiomyopathy. Conduction system pacing, targeting the His or left bundle, offers a potential alternative to standard pacing for bradycardia, improving heart function.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiac Pacing
Background:
- Right ventricular pacing is standard for bradycardia.
- Chronic right ventricular pacing is linked to pacing-induced cardiomyopathy.
- Alternative pacing strategies are needed to mitigate adverse effects.
Purpose of the Study:
- To explore the anatomy and clinical feasibility of conduction system pacing.
- To review the hemodynamics and techniques for His bundle and/or left bundle pacing.
- To compare conduction system pacing with biventricular pacing.
Main Methods:
- Review of conduction system anatomy and pacing techniques.
- Analysis of hemodynamics and electrocardiogram definitions for conduction system capture.
- Evaluation of clinical studies on conduction system pacing in atrioventricular block and post-ablation.
Main Results:
- Conduction system pacing involves targeting the His bundle or left bundle.
- Specific techniques and electrocardiogram criteria define successful capture.
- Clinical data suggests potential benefits in specific patient populations.
Conclusions:
- Conduction system pacing presents a promising alternative to conventional right ventricular pacing.
- It may offer hemodynamic advantages and reduce the risk of cardiomyopathy.
- Further research is ongoing to define its optimal role compared to biventricular pacing.
Keywords:
Cardiac resynchronization therapyCardiomyopathyHis bundle pacingLeft bundle branch area pacingPhysiologic pacingVentricular pacingMore Related Videos
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