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Updated: Aug 5, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

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

Left bundle branch pacing vs biventricular pacing in heart failure patients undergoing cardiac resynchronization

Muhammad Asad Jahangir1, Ahmad Hassan1, Affaf Mahmood2

  • 1Mayo Hospital Lahore, King Edward Medical University, Punjab, Pakistan.

Expert Review of Medical Devices
|July 29, 2026
PubMed

Insights

Left bundle branch pacing (LBBP) is more effective than biventricular pacing (BVP) for cardiac resynchronization therapy (CRT) in heart failure patients. LBBP improves electrical and clinical outcomes and reduces mortality and hospitalizations, offering a superior safety profile.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Heart Failure Management

Background:

  • Cardiac resynchronization therapy (CRT) is a key treatment for heart failure patients with ventricular dyssynchrony.
  • Traditional biventricular pacing (BVP) has limitations, prompting investigation into alternative pacing strategies like left bundle branch pacing (LBBP).
  • Comparative efficacy and safety data between LBBP and BVP require updated synthesis.

Purpose of the Study:

  • To systematically review and meta-analyze the efficacy and safety of LBBP compared to BVP in CRT patients.
  • To evaluate differences in procedural outcomes, electrical and structural improvements, and clinical endpoints.
  • To provide an evidence-based comparison for optimizing CRT strategies.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials and cohort studies.
  • Searched major databases (PubMed, Cochrane, ScienceDirect, Embase) through February 2026.
  • Assessed risk of bias and pooled data using fixed- or random-effects models.

Main Results:

  • LBBP significantly reduced fluoroscopy time and procedural duration compared to BVP.
  • LBBP demonstrated superior improvements in CRT response, super-response, QRS duration, and left ventricular ejection fraction (LVEF).
  • LBBP was associated with significantly lower all-cause mortality and heart failure hospitalizations.

Conclusions:

  • Left bundle branch pacing (LBBP) is superior to biventricular pacing (BVP) for cardiac resynchronization therapy.
  • LBBP offers significant advantages in electrical, structural, and clinical outcomes.
  • LBBP provides comparable safety while improving patient prognosis in heart failure management.
Abstract

Keywords:
Left bundle branch pacingbiventricular pacingcardiac remodelingcardiac resynchronization therapyconduction system pacingheart failureleft bundle branch blockventricular dyssynchrony

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