Key result
A novel 4-variable risk score predicts postoperative atrial fibrillation with ~77% accuracy.
Why the study?
Postoperative atrial fibrillation is common after cardiac surgery, but despite evidence recommending prophylactic treatment, clear indications for initiating prophylaxis are lacking.
Population
989 adult cardiac surgery patients across two public teaching hospitals
Design
Retrospective cohort study
Authors
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May aid postoperative AF risk stratification after cardiac surgery; leaves open external validation before clinical adoption.
Cohort (n=989)
Yes
A novel 4-variable risk score can predict postoperative atrial fibrillation with 77% accuracy in adult patients undergoing cardiac surgery.
Neto et al. (2025) conducted a cohort in Postoperative atrial fibrillation (n=989). POAF risk score ≥3 (age ≥60, LA enlargement, inotrope use, reoperation) vs. POAF risk score <3 was evaluated on Postoperative atrial fibrillation within 30 days. A novel risk score comprising age ≥60 years, echocardiographic left atrial enlargement, postoperative inotrope use, and early reoperation predicted postoperative atrial fibrillation with 77% accuracy, where scores ≥3 indicated a 34% risk.
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