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OBJECTIVES Our goal was to evaluate early sequelae and long-term survival in patients undergoing isolated coronary artery bypass grafting (CABG) with concomitant surgical ablation for atrial fibrillation (AF). METHODS Procedural data from KROK (Polish National Registry of Cardiac Surgery Procedures) were collected. A total of 7879 patients with underlying AF underwent isolated CABG between 2006 and 2018 in 37 reference centres across Poland. The mean follow-up was 4.7 ± 3.5 years [median (interquartile range) 4.3 (1.7–7.4)]. Propensity score matching and Cox proportional hazards models were used to compare isolated CABG + ablation with isolated CABG. RESULTS Of the included patients, 346 (4.39%) underwent surgical ablation. Patients in this group were significantly younger (66.4 ± 7.5 vs 69.2 ± 8.2; P  70 years, P = 0.020; elective status, P = 0.011) with 3-vessel disease (P = 0.036), history of a cerebrovascular accident (P = 0.018) and preserved left ventricular function [left ventricular ejection fraction &gt;50%; P = 0.017; no signs of heart failure (per New York Heart Association functional class); P = 0.001] and those undergoing on-pump CABG (P &lt; 0.001). CONCLUSION Surgical ablation for AF in patients undergoing isolated CABG is safe and associated with significantly improved long-term survival.

Surgical ablation for atrial fibrillation during isolated coronary artery bypass surgery