• Min-Seok Kim, Hee Jung Kim, Hyung Gon Je, Yang Hyun Cho, Joon Bum Kim, Sak Lee, and Seung Hyun Lee.
• Cardiovascular Center, Myongji Hospital, Goyang-si, South Korea.
• J. Thorac. Cardiovasc. Surg. 2024 Sep 1; 168 (3): 821831821-831.

ObjectiveThe aim of the study was to elucidate the long-term outcomes of atrial fibrillation surgery in patients with atrial fibrillation and mitral valve disease by comparing the patients who underwent mitral valve surgery with and without atrial fibrillation surgery.MethodsBetween 2005 and 2017, 2680 patients with atrial fibrillation who underwent mitral valve surgery (mitral valve surgery with atrial fibrillation surgery, n = 1841; mitral valve surgery without atrial fibrillation surgery, n = 839) at 5 centers were included. After propensity score matching, 1442 patients were extracted (atrial fibrillation surgery group, n = 721; non-atrial fibrillation surgery group, n = 721). All-cause mortality, cardiac mortality, major adverse cardiac and cerebrovascular events, stroke or transient ischemic attack, and permanent pacemaker implantation were compared between the atrial fibrillation surgery and non-atrial fibrillation surgery groups.ResultsOverall survivals at 5 and 10 years postoperatively were 91.0% and 80.7% in the atrial fibrillation surgery group and 86.5% and 75.9% in the non-atrial fibrillation surgery group, respectively (P = .013). Cardiac mortality-free survivals at 5 and 10 years postoperatively were 96.9% and 91.7% in the atrial fibrillation surgery group and 90.9% and 83.7% in the non-atrial fibrillation surgery group, respectively (P < .001). Cumulative incidence of reoperation, major adverse cardiac and cerebrovascular events, and stroke or transient ischemic attack was lower in the matched atrial fibrillation surgery group compared with the matched non-atrial fibrillation surgery group up to 15 years postoperatively (P = .010, P < .001, and P = .012, respectively). Cumulative incidence of permanent pacemaker implantation was higher in the matched atrial fibrillation surgery group compared with the matched non-atrial fibrillation surgery group (P < .001).ConclusionsIn patients with atrial fibrillation and mitral valve disease, mitral valve surgery concomitant with atrial fibrillation surgery was associated with lower mortality, cardiac mortality, major adverse cardiac and cerebrovascular events, and stroke or transient ischemic attack up to 15 years after surgery when compared with mitral valve surgery without atrial fibrillation surgery.Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.

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