His bundle pacing combined with atrioventricular node ablation for atrial fibrillation: a systematic review and

Liang Xu1,2,3, Dongdong Que1,2,3, Wenjie Yu1,2,3

  • 1Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.

PubMed

Insights

His bundle pacing with atrioventricular node ablation is effective for atrial fibrillation, showing improvements in heart function. However, it has a lower success rate and more complications compared to other pacing methods.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • His bundle pacing (HBP) is a potential alternative to biventricular pacing (BVP) for heart failure management.
  • High capture thresholds and backup lead requirements can limit HBP's widespread adoption.
  • Atrial fibrillation (AF) management often involves pacing strategies.

Purpose of the Study:

  • To assess the efficacy and safety of His bundle pacing combined with atrioventricular node ablation (AVNA) for patients with AF.
  • To compare the outcomes of HBP+AVNA with BVP and left bundle branch pacing (LBBP).

Main Methods:

  • A systematic review and meta-analysis of studies comparing HBP, BVP, and LBBP.
  • Databases searched include PubMed, Embase, Web of Science, and Cochrane Library.
  • Key outcome measures: left ventricular ejection fraction (LVEF), NYHA score, QRS duration (QRSd), and pacing threshold.

Main Results:

  • Thirteen studies involving 1115 patients were analyzed.
  • HBP improved LVEF, reduced NYHA score, and increased QRSd, with a higher pacing threshold compared to baseline.
  • HBP demonstrated comparable efficacy to BVP and LBBP but had a lower success rate (85.97%) and higher complication rate (16.1%).

Conclusions:

  • His bundle pacing combined with AVNA is an effective strategy for managing AF.
  • Despite its effectiveness, HBP has limitations including a lower success rate and increased complications.
  • Further research is needed to establish the superiority of HBP over BVP and LBBP.
Abstract

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