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June 19, 2026Cardiology in ReviewOpen Access

Discontinuation of Oral Anticoagulants After Successful Atrial Fibrillation Ablation: A Systematic Review and Meta-Analysis

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Why the study?

Does discontinuation of oral anticoagulants reduce major bleeding or alter thromboembolism risk in patients after successful atrial fibrillation ablation?

Population

153,352 patients from 29 studies receiving ≥3 months of oral anticoagulation after successful atrial…

Comparison

Discontinuation of oral anticoagulation (OFF-OAC) vs Continuation of oral anticoagulation (ON-OAC)

Design

Meta-analysis

Key result

Discontinuation of oral anticoagulation after successful atrial fibrillation ablation did not significantly alter thromboembolism risk (OR 0.91; 95% CI 0.64-1.30; P=0.60) but reduced major bleeding.

Authors

MTMuhammad TahirMNMuhammad Abdullah NaveedMKM Raafe Ali Khan

Discussion

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Overview

Supports OAC discontinuation without thromboembolism increase; extends RCT evidence for individualized decisions.

Key Points

  • This review aims to evaluate the effects of discontinuing oral anticoagulants after successful atrial fibrillation ablation on patient outcomes.
  • Conducted a systematic search of MEDLINE, Scopus, and Cochrane CENTRAL until March 2026.
  • Included randomized controlled trials and cohort studies with patients on ≥3 months of oral anticoagulation post-ablation.
  • Utilized random-effect models to pool effect estimates from 29 studies (n=153,352).
  • Discontinuation of oral anticoagulants did not significantly alter thromboembolism risk (OR: 0.91; 95% CI, 0.64–1.30; P = 0.60).
  • Major bleeding risk significantly reduced with OFF-OAC (OR: 0.34; 95% CI, 0.23–0.49; P < 0.00001).
  • Patients switched to antiplatelet therapy showed a significantly lower bleeding risk (OR: 0.18; 95% CI, 0.08–0.39).

Study Design

Type

Meta-Analysis (n=153,352)

Structured PICO

Does discontinuation of oral anticoagulants reduce major bleeding or alter thromboembolism risk in patients after successful atrial fibrillation ablation?

P
Population
153,352 patients from 29 randomized controlled trials and cohort studies evaluating discontinuation versus continuation of oral anticoagulation after successful atrial fibrillation ablation.
I
Intervention
Discontinuation of oral anticoagulation (OFF-OAC)
C
Comparator
Continuation of oral anticoagulation (ON-OAC)
O
Outcome
Thromboembolismhard clinical

Main Result

Odds Ratio: 0.91 (95% CI 0.64–1.3)

p-value: p=0.60

Discontinuation of oral anticoagulants after successful AF ablation significantly reduces major bleeding without increasing thromboembolic or mortality risk.

Cite This Study

Tahir et al. (2026) conducted a meta-analysis in Atrial fibrillation after successful ablation (n=153,352). Discontinuation of oral anticoagulation (OFF-OAC) vs. Continuation of oral anticoagulation (ON-OAC) was evaluated on Thromboembolism (OR 0.91, 95% CI 0.64-1.30, p=0.60). Discontinuation of oral anticoagulation after successful atrial fibrillation ablation did not significantly alter thromboembolism risk (OR 0.91; 95% CI 0.64-1.30; P=0.60) but reduced major bleeding.

synapsesocial.com/papers/6a35982fdd3be7785e70ecdahttps://doi.org/10.1097/crd.0000000000001343
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Also Consider

Synapse has enriched one closely related paper. Consider it for comparative context:

  1. 1Oral Anticoagulation After Atrial Fibrillation Ablation: An Updated Systematic Review and Meta‐Analysis of 267 443 Patients2026 · 16 citations