• Ann. Thorac. Surg. · May 2017

    Comparative Study

    Efficacy of Aortic Valve Resuspension in Establishing Valve Competence in Acute Type A Dissections.

    • Paul C Tang, Abbasali Badami, Shahab A Akhter, Satoru Osaki, Lucian Lozonschi, Takushi Kohmoto, and Nilto De Oliveira.
    • Department of Surgery, Division of Cardiothoracic Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin. Electronic address: tangp@surgery.wisc.edu.
    • Ann. Thorac. Surg. 2017 May 1; 103 (5): 1460-1466.

    BackgroundThis study investigates the efficacy of aortic valve (AV) resuspension with preservation of the native aortic root in maintaining AV competence during type A dissection repair.MethodsA total of 154 acute type A dissection repairs were performed from January 2000 to July 2015. AV resuspension was performed in 120 patients to address AV insufficiency (AI). Survival data were derived from 120 patients who had AV resuspensions and all 154 acute type A dissection repairs.ResultsOf the 70 patients who presented initially with moderate-to-severe AI, 43 underwent AV resuspension. Echocardiographic data for analysis were available in 40 of these 43 patients. In the group with moderate-to-severe AI at presentation, AV resuspension was able to achieve mild or less AI in 38 of 40 patients (95%) and trivial or no AI in 29 of 40 patients (73%) after weaning from cardiopulmonary bypass. The presence of moderate-to-severe preoperative AI did not predict the ability to achieve trivial or no AI with resuspension immediately after coming off cardiopulmonary bypass (p = 0.3) or on subsequent follow-up (p = 0.8). Mean echocardiographic follow-up for AV resuspension was 1.21 ± 2.57 years. Three patients who underwent AV resuspension required AV reoperation at follow-up. There was no survival difference between patients who did or did not have AV resuspension (p = 0.3).ConclusionsAV resuspension is able to improve valve competency with good outcomes even in patients with moderate or severe AI at presentation. Overall long-term survival is unchanged compared with other operative strategies for the AV.Copyright © 2017 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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