• Li-Min Zhang, Yan Li, Yun-Ting Zhang, Bao-Xu Zhang, Jing-Zhou Wang, and Dong-Xue Zhang.
• Department of Anesthesiology, Cangzhou Central Hospital, Cangzhou, China. Electronic address: azai2010@126.com.
• J. Cardiothorac. Vasc. Anesth. 2021 Aug 1; 35 (8): 2355-2362.

ObjectivePatients undergoing carotid endarterectomy (CEA) have a significant possibility of developing postoperative cognitive decline (POCD). POCD after surgery could be result from cerebral hypotension induced by cross-clamping or postoperative hyperperfusion. Optic nerve sheath diameter (ONSD) exhibits an excellent correlation with invasive intracranial pressure monitoring, Here, the authors explored the risk factors of POCD in patients undergoing CEA, paying close attention to ONSD to test the hypothesis that decrease of coronal ONSD was related to the incidence of POCD.DesignObservational retrospective review.SettingSingle tertiary academic center.ParticipantsOne hundred sixteen patients undergoing CEA from January 1, 2019 to December 31, 2019.InterventionNone.Measurements And Main ResultsA multivariate logistic regression, scatter diagrams, and a receiver operating curve were used to evaluate the ability to predict POCD though the change in coronal ONSD. This study ultimately enrolled 84 patients and the incidence of POCD within postoperative two days was 28.6%. Decrease of coronal ONSD (odds ratio [OR], 0.438; 95% confidence interval [CI] 0.217-0.881; p = 0.021) and total intravenous anesthesia (TIVA) (OR, 25.541, 95% CI 2.100-310.614, p = 0.011) were independent risk factors for POCD. Changes in coronal ONSD had an area under the curve to distinguish POCD of 0.716 (95% CI 0.531-0.902). Using a cutoff of 0.05 cm, changes of coronal ONSD had a sensitivity of 66.7% and specificity of 66.7%.ConclusionsDecrease of coronal ONSD, measured by ultrasonography and TIVA, were associated with POCD. Change in coronal ONSD was a moderate predictor of incidence of POCD.Copyright © 2020 Elsevier Inc. All rights reserved.

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