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Related Experiment Video

Updated: Oct 8, 2025

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Contemporary Anticoagulation Practices for Postoperative Atrial Fibrillation: A Single Center Experience.

Fady S Riad1, Konstantin German1, Sarah Deitz1

  • 1aHarrington Heart and Vascular Institute, University Hospitals and Case Western Reserve University, Cleveland, OH.

Journal of Atrial Fibrillation
|December 24, 2021
PubMed
Summary

Anticoagulation use for postoperative atrial fibrillation (POAF) after cardiac surgery is low, especially after coronary artery bypass grafting (CABG). Higher stroke and mortality rates were observed in patients not receiving anticoagulation, warranting further study.

Keywords:
AnticoagulationCardiac SurgeryNew Onset Atrial FibrillationPostoperative Atrial Fibrillation

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Pharmacology

Background:

  • Postoperative atrial fibrillation (POAF) is a common complication following cardiac surgery.
  • Management strategies for POAF, including anticoagulation, remain under-investigated.
  • Real-world patterns of anticoagulation use in POAF patients require systematic investigation.

Purpose of the Study:

  • To determine real-world patterns of anticoagulation use in patients with new-onset POAF after cardiac surgery.
  • To investigate factors influencing anticoagulation prescribing for POAF.
  • To assess the association between anticoagulation use and adverse outcomes in POAF patients.

Main Methods:

  • Retrospective chart review of 200 patients undergoing coronary artery bypass grafting (CABG) or cardiac valve surgery with new-onset POAF.
  • Data extraction on anticoagulation use, CHA 2 DS 2 -VASc scores, and adverse outcomes.
  • Analysis of anticoagulation trends and their correlation with clinical factors.

Main Results:

  • Anticoagulation use was infrequent after CABG but common after bioprosthetic valve surgery.
  • Warfarin was the most frequently prescribed anticoagulant.
  • Anticoagulation use did not correlate with CHA 2 DS 2 -VASc score or cardioversion status.
  • Patients not receiving anticoagulation had higher rates of stroke and mortality.

Conclusions:

  • Anticoagulation use post-CABG is low and not influenced by CHA 2 DS 2 -VASc score or cardioversion.
  • Observed higher stroke and mortality rates in untreated POAF patients require confirmation in larger studies.
  • Findings contrast with previous reports on provider attitudes towards POAF management.