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Related Experiment Video

Updated: Dec 12, 2025

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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His bundle pacing - a curative method: A Case Report.

Catalin Pestrea1, Alexandra Gherghina1, Florin Ortan1

  • 1Department of Interventional Cardiology, Brasov County Emergency Clinical Hospital.

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|August 10, 2020
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Summary
This summary is machine-generated.

His bundle pacing effectively treated atrioventricular block and left bundle branch block, normalizing QRS duration. This His-pacing technique offers an alternative to cardiac resynchronization therapy with improved ventricular activation.

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • His bundle pacing is an emerging strategy for cardiac pacing due to its potential for physiological activation.
  • Lead placement in the His bundle can be technically challenging due to anatomical considerations.

Observation:

  • A 62-year-old male presented with recurrent syncope due to intermittent complete atrioventricular block and left bundle branch block.
  • Electrocardiogram showed a QRS duration of 160 ms, indicating significant conduction delay.

Findings:

  • Successful His bundle pacing was achieved using a specialized catheter and lead system at the atrioventricular junction.
  • Post-procedure, pacing normalized the QRS complex, resolving both atrioventricular and left bundle branch block abnormalities.
  • Echocardiography confirmed the resolution of ventricular dyssynchrony, with stable pacing parameters at follow-up.

Implications:

  • His bundle pacing can serve as an effective alternative to cardiac electrical resynchronization therapy.
  • This technique provides acceptable pacing and sensing thresholds and improves ventricular activation patterns.
  • His bundle pacing offers a potential "cure" for specific conduction abnormalities, enhancing patient outcomes.