• J. Thorac. Cardiovasc. Surg. · Apr 2021

    Observational Study

    Surgical outcomes of acute type A aortic dissection in patients undergoing cardiopulmonary resuscitation.

    • Kyokun Uehara, Hitoshi Matsuda, Jiro Matsuo, Yosuke Inoue, Takayuki Shijo, Atsushi Omura, Yoshimasa Seike, Hiroaki Sasaki, and Junjiro Kobayashi.
    • Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan.
    • J. Thorac. Cardiovasc. Surg. 2021 Apr 1; 161 (4): 1173-1180.

    ObjectivesThe surgical indications for acute type A aortic dissection (AAAD) in patients in cardiopulmonary arrest remain controversial. Outcomes of AAAD for patients who underwent cardiopulmonary resuscitation (CPR) were evaluated.MethodsBetween 2004 and 2018, of the 519 patients who underwent AAAD repair, 34 (6.6%) required CPR before or on starting AAAD repair. The patients were divided into 2 groups, survivors (n = 13) and nonsurvivors (n = 21), to compare the early operative outcomes, including mortality and neurological events.ResultsThe major cause of cardiovascular collapse requiring CPR was aortic rupture/cardiac tamponade (n = 21 [61.8%]), followed by coronary malperfusion (n = 12 [35.3%]) and acute aortic valve regurgitation (n = 3 [8.8%]). There were 3 (23.1%) patients in the survivors group and 11 (52.4%) in the nonsurvivors group who required ongoing CPR at the beginning of AAAD repair (P = .039). Of these patients, 1 survivor and 6 nonsurvivors could not achieve return of spontaneous circulation after pericardiotomy (P = .045). Although the duration from onset or arrival to the operating room was similar (P = .35 and P = .49, respectively), overall duration of CPR was shorter in survivors (10 minutes [range, 7.5-16 minutes] vs 16.5 minutes [range, 15-20 minutes]; P = .044). All survivors without any neurological deficits showed return of spontaneous circulation after pericardiotomy. Multivariate regression modeling showed that CPR duration >15 minutes was a significant risk factor for in-hospital mortality (P = .0040).ConclusionsCPR duration beyond 15 minutes may be a contraindication for AAAD repair. Moreover, we should reconsider surgery for patients who cannot achieve return of spontaneous circulation after pericardiotomy.Copyright © 2020 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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