• Christopher Lau, Giovanni Soletti, Jonathan W Weinsaft, Mohamed Rahouma, Talal Al Zghari, Roberto Perezgrovas Olaria, Lamia Harik, Mohammad Yaghmour, Arnaldo Dimagli, Mario Gaudino, and Leonard N Girardi.
• Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY. Electronic address: chl9077@med.cornell.edu.
• J. Thorac. Cardiovasc. Surg. 2023 Dec 1; 166 (6): 15481557.e21548-1557.e2.

ObjectivesTo compare operative and long-term outcomes between patients with and without Marfan syndrome undergoing thoracoabdominal aortic aneurysm repair.MethodsWe identified all consecutive patients undergoing thoracoabdominal aortic aneurysm repair between 1997 and 2022. Primary outcome was composite of major adverse events. Secondary outcomes were individual complications and long-term survival. Inverse probability of treatment weighting was performed. Weighted Kaplan-Meier curves were used to estimate long-term survival. Multivariable analysis identified factors associated with major adverse events.ResultsSix hundred eighty-four patients underwent open thoracoabdominal aortic aneurysm repair. Ninety (13.1%) had Marfan syndrome, whereas 594 (86.9%) did not. Marfan patients were younger (46 years [range, 36-56 years] vs 69 years [range, 61-76 years]; P < .001). Extent II or III aneurysms (57 out of 90 [63.3%] vs 211 out of 594 [35.6%]; P < .001) and type I or III chronic dissection (77 out of 90 [85.3%] vs 242 out of 594 [40.8%]; P < .001) were more common. Cardiovascular risk factors were less frequent in Marfan patients. There was no difference in major adverse events between groups (12 out of 90 [13.3%] vs 100 out of 594 [16.8%]; P = .49). Operative mortality was similar between groups (3 out of 90 [3.3%] vs 28 out of 594 [4.7%]; P = .75). Unweighted survival at 10 years was 78.7% vs 46.8% (P = .001). Weighted Kaplan-Meier curves showed no difference in long-term survival (adjusted hazard ratio, 0.79; 95% CI, 0.32-1.99; P = .62; Log-rank P = .12). At multivariable analysis, renal insufficiency (odds ratio, 2.29; 95% CI, 1.43-3.68; P < .01) and urgent/emergency procedure (odds ratio, 2.17; 95% CI, 1.35-3.48; P < .01) were associated with major adverse events, whereas Marfan syndrome was not (odds ratio, 1.56; 95% CI, 0.69-3.49; P = .28).ConclusionsOpen thoracoabdominal aortic aneurysm repair can be performed with similar operative outcomes in patients with and without Marfan syndrome despite differing risk profiles. Operative/perioperative strategies must be tailored to specific needs of each patient to optimize outcomes.Copyright © 2023 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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