• Heart, lung & circulation · Sep 2020

    Modified Distal Aortic Arch Occlusion During Aortic Arch Replacement.

    • Xu Pei, Shu-Qiang Zhu, Xiang Long, Bai-Quan Qiu, Kun Lin, Feng Lu, Jian-Jun Xu, and Yong-Bing Wu.
    • Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China.
    • Heart Lung Circ. 2020 Sep 1; 29 (9): e245-e252.

    BackgroundCirculatory arrest has been identified as an independent risk factor related to postoperative mortality in patients with Stanford type A aortic dissection. This study described a modified technique for distal aortic arch occlusion that markedly shortened the circulatory arrest time. The early results are encouraging.MethodsFrom May 2016 to September 2018, 51 patients with Stanford type A aortic dissection underwent the modified procedure for aortic arch replacement. All operations were performed via transitory circulatory arrest by clamping the distal aorta between the left common carotid artery and the left subclavian artery. The in-hospital and follow-up data of the treated patients were investigated.ResultsSuccessful repair of the involved vasculature was achieved in all patients. One (1) patient died due to postoperative aspiration and infection, and three patients required continuous renal replacement therapy due to poor preoperative renal function. The remaining patients were successfully discharged. The median average circulatory arrest time was 5.0 (3.0-6.0) minutes. No cases of tracheotomy, delayed closure, secondary thoracotomy, or other complications occurred. During the follow-up period of 2.4-18.6 months, the implanted grafts and stented elephant trunks were all fully open and not kinked.ConclusionsA modified distal aortic arch occlusion can considerably shorten the duration of circulatory arrest. Current experience suggests that this approach can serve as a feasible alternative for patients during aortic arch replacement because of its simplicity and satisfactory clinical effects.Copyright © 2020 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.

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