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J. Thorac. Cardiovasc. Surg. · Jan 2023
Endovascular treatment of complicated versus uncomplicated acute type B aortic dissection.
- Domenico Spinelli, Fred A Weaver, Ali Azizzadeh, Gregory A Magee, Gabriele Piffaretti, Filippo Benedetto, Charles C Miller, Harleen K Sandhu, Dennis R Gable, and Santi Trimarchi.
- Unit of Vascular Surgery, Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Policlinico G. Martino, University of Messina, Messina, Italy. Electronic address: dr.spinelli@me.com.
- J. Thorac. Cardiovasc. Surg. 2023 Jan 1; 165 (1): 413.e14-13.e1.
ObjectiveThe study objective was to analyze the outcomes of thoracic endovascular aortic repair performed for complicated and uncomplicated acute type B aortic dissections.MethodsPatients from WL Gore's Global Registry for Endovascular Aortic Treatment who underwent thoracic endovascular aortic repair for acute type B aortic dissections were included, and data were retrospectively analyzed.ResultsOf 5014 patients enrolled in the Global Registry for Endovascular Aortic Treatment, 172 underwent thoracic endovascular aortic repair for acute type B aortic dissections. Of these repairs, 102 were for complicated acute type B aortic dissections and 70 were for uncomplicated acute type B aortic dissections. There were 46 (45.1%) procedures related to aortic branch vessels versus 15 (21.4%) in complicated type B aortic dissections and uncomplicated type B aortic dissections (P = .002). The mean length of stay was 14.3 ± 10.6 days (median, 11; range, 2-75) versus 9.8 ± 7.9 days (median, 8; range, 0-42) in those with complicated type B aortic dissections versus those with uncomplicated acute type B aortic dissections (P < .001). Thirty-day mortality was not different between groups (complicated type B aortic dissections 2.9% vs uncomplicated acute type B aortic dissections 1.4%, P = .647), as well as aortic complications (8.8% vs 5.7%, P = .449). Aortic event-free survival was 62.9% ± 37.1% versus 70.6% ± 29.3% at 3 years (P = .696).ConclusionsIn the Global Registry for Endovascular Aortic Treatment, thoracic endovascular aortic repair results for complicated type B aortic dissections versus uncomplicated acute type B aortic dissections showed that 30-day mortality and perioperative complications were equally low for both. The midterm outcome was positive. These data confirm that thoracic endovascular aortic repair as the first-line strategy for treating complicated type B dissections is associated with a low risk of complications. Further studies with longer follow-up are necessary to define the role of thoracic endovascular aortic repair in uncomplicated acute type B dissections compared with medical therapy. However, in the absence of level A evidence from randomized trials, results of the uncomplicated acute type B aortic dissection patient cohort treated with thoracic endovascular aortic repair from registries are important to understand the related risk and benefit.Copyright © 2021 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.
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