Arrhythmias & electrophysiologyMeta-analysis

Safety of catheter ablation compared with antiarrhythmic drugs for atrial fibrillation: A systematic review and meta-analysis of randomized trials

Heart RhythmPublished

  • systematic review and meta-analysis of randomized trials
  • random-effects meta-analysis

Authors' conclusion

CA for AF rhythm management reduced SAEs, unplanned hospitalization and adverse cardiovascular events compared with AADs. When patient safety is being considered, AAD appears to have a less favorable safety profile than CA in AF.

Study context

Population
Patients with atrial fibrillation (AF) in randomized controlled trials comparing catheter ablation (CA) with AADs for rhythm managementparticipants in 24 randomized trials · CA group 3,554 · AAD group 3,111
Participants
6,665 patients
Comparison
CA compared with AADs for AF rhythm management
  • CAn = 3,554
  • AADn = 3,111reference
Outcome
Composite of:
  • Serious adverse events (SAEs)
  • Including death
  • Additional intervention
  • Prolonged or unplanned hospitalization or disability
Follow-up
12-month median (6-60 months)

Pooled result

As reported in the abstract

Relative risk

0.80

95% CI 0.69–0.93

P < 0.01

CA vs AAD
RR 0.80 (95% CI 0.69–0.93); P < 0.01

Safety

OutcomeRR (95% CI)P value
Unplanned hospitalization · 12-month median follow-up (6-60 months) · I2 73%; 47% reduction in risk with CA0.53 (0.38–0.72)P < 0.01
Adverse cardiovascular events · I2 42%; 37% lower risk with CA0.63 (0.44–0.90)P = 0.01

Original publication

Safety of catheter ablation compared with antiarrhythmic drugs for atrial fibrillation: A systematic review and meta-analysis of randomized trials. Heart Rhythm. Published 19 March 2026. doi:10.1016/j.hrthm.2026.03.1885

Summarised from the published abstract; every number is checked against it