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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Atrial Fibrillation Following Coronary Artery Bypass Graft: Where Do We Stand?

Andreas Tzoumas1, Sanjana Nagraj2, Panagiotis Tasoudis3

  • 1Aristotle University of Thessaloniki, Thessaloniki 541 24, Greece.

Cardiovascular Revascularization Medicine : Including Molecular Interventions
|December 24, 2021
PubMed

Insights

Post-coronary artery bypass graft (CABG) atrial fibrillation (AF) affects 15-45% of patients. Management includes cardioversion or rate control, with anticoagulation recommended for stroke risk, especially after cardioversion or prolonged AF.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Electrophysiology

Background:

  • Atrial fibrillation (AF) is a common complication after coronary artery bypass graft (CABG) surgery, occurring in 15-45% of patients.
  • Post-CABG AF is linked to adverse long-term outcomes and prognosis.
  • Risk factors for post-CABG AF are multifactorial, including patient-related, intraoperative, and postoperative elements.

Purpose of the Study:

  • To review the prevalence, risk factors, and management strategies for atrial fibrillation following coronary artery bypass graft surgery.
  • To outline current recommendations for therapeutic and preventive interventions for post-CABG AF.
  • To discuss the complexities of anticoagulation in patients with post-CABG AF.

Main Methods:

  • Literature review of studies on atrial fibrillation after coronary artery bypass graft surgery.
  • Analysis of risk factors, diagnostic criteria, and treatment guidelines for post-CABG AF.
  • Synthesis of evidence regarding cardioversion, rate control, and anticoagulation strategies.

Main Results:

  • Post-CABG AF prevalence ranges from 15% to 45%.
  • Management strategies vary based on patient stability and symptoms, including cardioversion and rate control.
  • Anticoagulation is crucial for patients with stroke risk factors, particularly after cardioversion or persistent AF >48 hours, with a recommended minimum duration of 4 weeks.

Conclusions:

  • Atrial fibrillation is a significant arrhythmia post-CABG, impacting patient prognosis.
  • Effective management involves timely intervention with cardioversion or rate control and careful consideration of anticoagulation.
  • Long-term anticoagulation should be individualized based on stroke risk, irrespective of AF recurrence.

Keywords:
Atrial fibrillationCABGCardiac revascularizationPostoperative arrhythmia

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