Direct oral anticoagulants in patients with atrial fibrillation and bioprosthetic valve replacement: A meta-analysis

Spencer C. Lacy, Garly R. Saint Croix, Kadijah Porter, Azeem Latib, Nirat Beohar

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Objectives: This systematic review and meta-analysis compares direct oral anticoagulants (DOACs) versus vitamin K antagonists (VKAs) in patients with atrial fibrillation and bioprosthetic valve replacement or repair (BVR). Background: The optimal anticoagulation therapy for patients with atrial fibrillation and a history of bioprosthetic valve replacement or repair (BVR) is not well understood. Methods: We performed a systematic literature review to identify clinical studies that compared anticoagulation therapies for patients with atrial fibrillation and BVR. The primary outcomes of stroke, major bleeding, and mortality were reported as random effects risk ratio (RR) with 95% confidence interval. No prior ethical approval was required since all data is public. Results: Our search yielded 101 potential studies. We included six studies reporting on 1911 patients. There was a lower risk of stroke and major bleeding in patients with atrial fibrillation after BVR treated with DOACs when compared to VKAs with risk ratios of 0.44 (95% CI 0.24–0.82, p < 0.01) and 0.53 (95% CI 0.34–0.83, p < 0.01), respectively. There was no statistically significant difference in mortality between patients with atrial fibrillation after BVR treated with DOACs compared to patients treated with VKAs with a risk ratio of 1.12 (95% CI 0.73–1.74, p = 0.60). Conclusion: This systematic review and meta-analysis suggests that DOACs are superior to VKAs with respect to stroke and major bleeding in patients with atrial fibrillation and BVR.

Original languageEnglish (US)
Pages (from-to)E1007-E1016
JournalCatheterization and Cardiovascular Interventions
Volume98
Issue number7
DOIs
StatePublished - Dec 1 2021

Keywords

  • anticoagulation
  • atrial fibrillation
  • bioprosthetic valve replacement (BVR)

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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