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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

[Use and clinical implications of anticoagulation maintenance after a successful cardioversion]

Josep M Alegret1, Xavier Viñolas, Julián Villacastín

  • 1Sección de Cardiología, IISPV, Hospital Universitari de Sant Joan de Reus, Reus, España. txalegret@hotmail.com

Medicina Clinica
|November 9, 2010
PubMed

Insights

Long-term anticoagulation after cardioversion for atrial fibrillation in low-risk patients showed a trend toward fewer embolic events but a higher bleeding risk, especially in those over 75.

Area of Science:

  • Cardiology
  • Clinical Medicine
  • Pharmacology

Context:

  • Persistent atrial fibrillation necessitates cardioversion.
  • Anticoagulation strategies post-cardioversion require evaluation.
  • Low-to-moderate risk embolism patients present a unique treatment challenge.

Purpose:

  • To assess the efficacy and safety of long-term anticoagulation post-cardioversion in low-risk atrial fibrillation patients.
  • To determine the impact of anticoagulation maintenance on embolic events and bleeding.
  • To identify factors influencing anticoagulation outcomes in this population.

Summary:

  • This study followed 422 patients with low/moderate embolism risk undergoing cardioversion for persistent atrial fibrillation.
  • Oral anticoagulation was maintained long-term in 80% at 1 month and 43% at 12 months.
  • While anticoagulation showed a trend toward reduced embolic events (2.8% vs 0.7%), major bleeding occurred in 4.9%, with age ≥75 being a significant risk factor (OR 5.3).

Impact:

  • Findings suggest that long-term anticoagulation in low-risk patients (CHADS2=0 or 1) over 75 may not offer a favorable risk-benefit profile.
  • Highlights the need for individualized anticoagulation decisions, considering age and bleeding risk.
  • Informs clinical practice regarding the management of anticoagulation in atrial fibrillation patients post-cardioversion.
Abstract

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