Outcomes of Atrioventricular Node Ablation and Pacing in Patients with Heart Failure and Atrial Fibrillation: From

Ioanna Koniari1, Andreas Gerakaris2, Nicholas Kounis3

  • 1Department of Electrophysiology, Liverpool Heart and Chest Hospital, Liverpool L14 3PE, UK.

Insights

Atrioventricular node ablation and pacing improve outcomes for heart failure patients with atrial fibrillation. Cardiac resynchronization therapy is preferred, with His bundle pacing as a promising alternative.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Heart Failure Management

Background:

  • Atrial fibrillation and heart failure often coexist, complicating management.
  • Medical therapy may be insufficient for some patients, necessitating alternative interventions.

Purpose of the Study:

  • To review literature on atrioventricular node ablation and pacing in patients with heart failure and atrial fibrillation.
  • To assess clinical outcomes and complications associated with these interventions.

Main Methods:

  • Conducted a comprehensive literature search using PubMed/MEDLINE and SCOPUS.
  • Evaluated clinical trials, observational studies, and meta-analyses.
  • Focused on outcomes such as symptom improvement, cardiac performance, and safety.

Main Results:

  • The "pace and ablate" strategy improves symptoms and cardiac performance in heart failure patients with atrial fibrillation.
  • Cardiac resynchronization therapy is superior to right ventricle apical pacing.
  • His bundle pacing and left bundle branch pacing show promise as innovative pacing modalities.
  • Potential complications include worsening heart failure, arrhythmias, and sudden death.

Conclusions:

  • Atrioventricular node ablation and pacing offer significant benefits for patients with atrial fibrillation and/or heart failure refractory to medical treatment.
  • Cardiac resynchronization therapy is the optimal pacing choice.
  • His bundle pacing presents an effective alternative pacing strategy.

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