Related Experiment Video
Updated: Feb 15, 2026
16:40
A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
26.9K
Implantable cardioverter defibrillator does not cure the heart
Agnieszka Sławuta1, Krzysztof Boczar2, Andrzej Ząbek2
1Department of Cardiology, Klodzko County Hospital, Kłodzko, Poland.
Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego
|January 28, 2018
Summary
Direct His bundle pacing optimized ventricular rate and improved heart function in a patient with non-ischemic cardiomyopathy and atrial fibrillation. This advanced pacing technique avoided right ventricular pacing, leading to significant clinical improvement.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Background:
- Patient presented with non-ischemic cardiomyopathy, reduced ejection fraction (EF 22%), permanent atrial fibrillation (AF), and an existing implantable cardioverter-defibrillator (ICD).
- Need for ventricular rate optimization and avoidance of right ventricular pacing prompted device upgrade.
Observation:
- Upgraded existing pacing system to incorporate direct His bundle pacing and a dual-chamber ICD.
- This intervention aimed to regularize ventricular rate and eliminate right ventricular pacing.
Findings:
- Successful regularization of ventricular rate was achieved.
- Avoidance of right ventricular pacing was confirmed.
- Optimization of beta-blocker dosage was facilitated.
- One-month follow-up demonstrated reduced left ventricle diameter and improved ejection fraction.
- New York Heart Association (NYHA) class decreased to II.
Implications:
- Direct His bundle pacing offers an effective strategy for managing complex cardiac conditions.
- This pacing method can lead to significant reverse remodeling and functional improvement in patients with cardiomyopathy.
- His bundle pacing represents an optimal treatment choice for selected patients, yielding excellent clinical outcomes.
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