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Published on: February 11, 2022
Patterns of atrial fibrillation after coronary artery bypass surgery
Jacqueline E Tamis-Holland1, Marcin Kowalski, Velisar Rill
1St. Luke's-Roosevelt Hospital Center and Columbia University, College of Physicians and Surgeons, New York, NY 10025, USA. jtamis@chpnet.org
Summary
Recurrent or prolonged atrial fibrillation (AF) after coronary artery bypass surgery (CABG) significantly increases hospital length of stay (LOS). Short-lived AF, however, does not impact LOS, highlighting distinct patterns of postoperative arrhythmia.
Area of Science:
- Cardiology
- Cardiac Surgery
- Arrhythmia Research
Background:
- Atrial fibrillation (AF) is the most frequent arrhythmia post-coronary artery bypass surgery (CABG).
- Understanding AF's impact on postoperative outcomes is crucial for patient management.
Purpose of the Study:
- To investigate if atrial fibrillation (AF) characteristics independently predict postoperative length of stay (LOS) in patients undergoing coronary artery bypass surgery (CABG).
Main Methods:
- A chart review of 290 post-CABG patients was conducted.
- Atrial fibrillation (AF) episodes were classified as short-lived (<24 hours) or recurrent/prolonged (>=24 hours).
- Baseline, intraoperative, and postoperative variables were analyzed alongside AF characteristics.
Main Results:
- Atrial fibrillation (AF) occurred in 32.4% of patients, with 72.3% experiencing recurrent/prolonged AF.
- Recurrent/prolonged AF was associated with older age and prior AF history.
- Recurrent/prolonged AF significantly prolonged length of stay (LOS) by 1.1 days (P < 0.001), unlike short-lived AF.
Conclusions:
- Post-cardiac surgery atrial fibrillation (AF) exhibits varied patterns.
- Short-lived AF episodes do not influence length of stay (LOS).
- Recurrent or prolonged AF significantly increases postoperative length of stay (LOS), independent of other factors.
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