The Effectiveness of Ablation Therapy for Atrial Fibrillation: A Systematic Review

Arturo P Jaramillo1, Luisa Jaramillo2, Rebeca R Briones Andriuoli3

  • 1General Medicine, Universidad Estatal de Guayaquil, Machala, ECU.

Cureus
|August 29, 2023
PubMed

Insights

Atrial fibrillation (AF) ablation shows comparable outcomes to medical treatments, but more research is needed to determine the optimal AF treatment strategy for daily practice.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Research

Background:

  • Atrial fibrillation (AF) is a prevalent cardiac arrhythmia, particularly in older adults (65-85), with increasing global prevalence expected by 2030.
  • AF significantly impacts health-related quality of life, reducing patient activity levels and presenting diverse clinical symptoms, with women potentially experiencing more pronounced symptoms.
  • Radiofrequency catheter ablation (CA) offers potential curative therapy for symptomatic AF, though long-term follow-up data are limited and referral patterns differ between genders, despite comparable outcomes.

Purpose of the Study:

  • To provide an overview of the effectiveness of ablation therapy for atrial fibrillation (AF).
  • To synthesize findings from existing literature comparing catheter ablation (CA) with pharmacological treatments for AF.
  • To assess the efficacy of different CA techniques, including pulmonary vein isolation (PVI) with or without MRI-guided fibrosis ablation.

Main Methods:

  • A systematic literature search was conducted using PubMed/Medline, Cochrane Library, and Google Scholar.
  • Ten relevant publications were selected based on predefined qualifying criteria.
  • The selected articles were analyzed to summarize the effectiveness of AF ablation therapy.

Main Results:

  • Some studies indicated no statistically significant difference between invasive ablation and pharmacological treatments for AF.
  • Research comparing pulmonary vein isolation (PVI) CA alone versus PVI with MRI-guided fibrosis ablation in persistent AF showed no difference in atrial arrhythmia recurrence.
  • Studies involving elderly patients demonstrated no prognostic improvement with CA compared to medical treatment, with similarly low complication rates and efficacy across age groups.

Conclusions:

  • Catheter ablation (CA) demonstrates comparable efficacy to medical treatments for atrial fibrillation (AF), with low complication rates across various age groups.
  • Further research is essential to establish the most effective and evidence-based approach for treating AF in clinical practice.
  • Optimizing AF treatment strategies requires continued investigation into long-term outcomes and comparative effectiveness of different therapeutic modalities.