Arrhythmias & electrophysiology

Impact of GLP-1 Receptor Agonist Therapy on Atrial Fibrillation Recurrence After Catheter Ablation in Obese Patients: A Real-World Data Analysis

Circ Arrhythm ElectrophysiolPublished Retrospective cohort study

Main finding · AF recurrenceResult — go to the resultHazard ratio 0.82 95% CI 0.76–0.88

Authors' conclusion

In a large real-world cohort of obese patients undergoing catheter ablation for AF, GLP-1RA therapy was associated with lower risks of AF recurrence, progression to permanent AF, cardiovascular hospitalizations, and mortality.

Study context

Population
Obese adults (BMI >30 kg/m²) undergoing atrial fibrillation (AF) ablation, TriNetX network, January 2015–January 20251:1 matched cohort
Participants
3,350 vs 3,350
Exposure
GLP-1RA use vs no GLP-1RA use
  • GLP-1RA usersn = 3,350
  • Nonusersn = 3,350reference
Outcome
AF recurrence after catheter ablation
Follow-up
Median 2 years (IQR 0.8-3.2)
Methodological detailspropensity-score matched, multicentre
  • Propensity-score matched
  • Multicentre

Main finding

AF recurrence · median follow-up 2 years

Hazard ratio

0.82

95% CI 0.76–0.88

P < 0.0001

By group

GLP-1RA usersvs Nonusers
HR 0.82 (95% CI 0.76–0.88); P < 0.0001

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeGLP-1RA usersNonusersHR (95% CI)P value
Progression to permanent AF · median follow-up 2 yearsPropensity-score matched3.16%3.38%0.77 (0.63–0.93)P = 0.01

All-cause mortality · median follow-up 2 years

Lower risk of all-cause mortality with GLP-1RA vs no GLP-1RA: HR
0.73 (0.59-0.91); P=0.01 (95% CI)
  • Propensity-score matched

HF hospitalization · median follow-up 2 years

Lower HF hospitalization with GLP-1RA use vs no GLP-1RA: HR
0.80 (0.71-0.90); P<0.0001 (95% CI)
  • Propensity-score matched

CV hospitalizations · median follow-up 2 years

Lower CV hospitalizations with GLP-1RA use vs no GLP-1RA: HR
0.85 (0.77-0.93); P=0.001 (95% CI)
  • Propensity-score matched

Redo ablation

No significant difference for redo ablation

Original publication

Impact of GLP-1 Receptor Agonist Therapy on Atrial Fibrillation Recurrence After Catheter Ablation in Obese Patients: A Real-World Data Analysis. Circ Arrhythm Electrophysiol. Published 25 December 2025. doi:10.1161/circep.125.014101

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