Patients with atrial fibrillation (AF) who undergo coronary artery bypass grafting (CABG) and surgical resection of AF experience longer survival compared to those who undergo CABG alone, a new study indicates.

The research team’s analysis of 87,000 medicare claims from 87,000 AF patients who underwent CABG between 2008 and 2019 revealed that only 22% received surgical resection in conjunction with CABG. although the rate of resection increased over the study period, it only reached 27% in 2019.

This figure comes two years after the Society of Thoracic Surgery designated the procedure as a Class I recommendation. Despite clinical guidelines supporting the procedure, its implementation in clinical practise remains limited.

The study found that patients who underwent surgical resection during CABG had a longer adjusted survival period compared to those who did not (7.82 years vs. 7.46 years, p < 0.001). Moreover, patients treated by surgeons who frequently performed resections lived approximately five months longer than those treated by surgeons who rarely performed the procedure (7.03 years vs. 6.62 years, p < 0.001).

These findings add to the growing body of evidence suggesting that surgical resection can significantly improve survival rates for atrial fibrillation patients undergoing CABG surgery.

Researchers suggest the benefits of surgical resection become apparent two years post-surgery and predict that resection will positively impact long-term survival by reducing the incidence of tachycardia-induced heart failure.

To mitigate potential biases, the team employed advanced statistical techniques, including overlap propensity score weighting and instrument-preference analysis, to account for differences in patient health profiles.

Approximately 10-20% of patients undergoing CABG surgery have atrial fibrillation, which is associated with increased complications and reduced long-term survival.Prior research suggests that surgical resection can restore normal heart rhythms and improve long-term outcomes, but its adoption in clinical practice remains incomplete.

The research team emphasized that these findings underscore the importance of clinical guidelines and the need to re-evaluate surgical treatment options for patients with atrial fibrillation.

“Surgical resection can contribute significantly to improving survival rate of existing atrial fibrillation patients under CABG surgery.”

Understanding Atrial Fibrillation and Coronary Bypass Surgery

Atrial fibrillation (AF) is an irregular and frequently enough rapid heart rhythm that can increase the risk of stroke,heart failure,and other heart-related complications American heart association. Coronary artery bypass grafting (CABG) is a surgical procedure used to improve blood flow to the heart in people who have severe coronary artery disease national Heart, Lung, and Blood Institute. When AF occurs in patients needing CABG, combining the bypass with surgical treatment of AF may improve outcomes.