Cost-effectiveness of catheter ablation for rhythm control of atrial fibrillation

Gord Blackhouse1, Nazila Assasi, Feng Xie

  • 1PATH Research Institute, McMaster University, Suite 2000, 25 Main Street West, Hamilton, ON, Canada L8P 1H1 ; Department of Clinical Epidemiology & Biostatistics, McMaster University, Hamilton, ON, Canada L8S 4L8.

Insights

Catheter ablation for atrial fibrillation (AF) is cost-effective compared to antiarrhythmic drugs (AADs). It offers more quality-adjusted life years (QALYs) at an incremental cost of $59,194 per QALY.

Area of Science:

  • Cardiology
  • Health Economics

Background:

  • Atrial fibrillation (AF) management often involves antiarrhythmic drugs (AADs).
  • Patients may not respond adequately to AADs, necessitating alternative treatments.
  • Catheter ablation is an alternative rhythm control strategy for AF.

Purpose of the Study:

  • To assess the cost-effectiveness of catheter ablation versus AAD therapy for AF.
  • To compare treatment strategies in patients with prior AAD failure.
  • To inform clinical and economic decision-making for AF management.

Main Methods:

  • An economic model comparing catheter ablation and AAD (amiodarone) was developed.
  • A meta-analysis informed patient outcomes regarding normal sinus rhythm or AF.
  • A 5-year Markov model simulated risks of ischemic stroke.

Main Results:

  • Catheter ablation resulted in higher costs ($8,539) but fewer strokes and more QALYs (0.144) over 5 years.
  • The incremental cost per QALY for ablation was $59,194.
  • Ablation demonstrated high probability (89-90%) of cost-effectiveness at willingness-to-pay thresholds of $50,000-$100,000.

Conclusions:

  • Pulmonary vein ablation for AF is a cost-effective strategy.
  • Cost-effectiveness is achieved when willingness to pay for a QALY reaches $59,194.
  • Catheter ablation offers a favorable economic profile for selected AF patients.

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