• Takeshi Umegaki, Susumu Kunisawa, Kota Nishimoto, Yasufumi Nakajima, Takahiko Kamibayashi, and Yuichi Imanaka.
• Department of Anesthesiology, Kansai Medical University Hospital, Osaka, Japan.
• J. Cardiothorac. Vasc. Anesth. 2022 Apr 1; 36 (4): 1021-1028.

ObjectivesTo comparatively examine the risk of postoperative paraplegia between open surgical descending aortic repair and thoracic endovascular aortic repair (TEVAR) among patients with thoracic aortic disease.DesignRetrospective cohort study.SettingAcute-care hospitals in Japan.ParticipantsA total of 6,202 patients diagnosed with thoracic aortic disease.InterventionsNone.Measurements And Main ResultsThe main outcome of this study was the incidence of postoperative paraplegia. Multiple logistic regression models, using inverse probability of treatment weighting and an instrumental variable (ratio of TEVAR use to open surgical repair and TEVAR uses), showed that the odds ratios of paraplegia for TEVAR (relative to open surgical descending aortic repair) were 0.81 (95% confidence interval: 0.42-1.59; p = 0.55) in the inverse probability of treatment-weighted model and 0.88 (0.42-1.86; p = 0.75) in the instrumental-variable model.ConclusionsThere were no statistical differences in the risk of paraplegia between open surgical repair and TEVAR in patients with thoracic aortic disease. Improved perioperative management for open surgical repair may have contributed to the similarly low incidence of paraplegia in these two surgery types.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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