• Pawit Somnuke, Kanya Kattiyawittayakul, Mingkwan Wongyingsinn, and Manee Raksakietisak.
• Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, 10700, Thailand.
• Medicine (Baltimore). 2023 Jul 14; 102 (28): e34363e34363.

AbstractMost post-operative stroke cases occur within 24 hours. This retrospective case-control study aimed to investigate the incidence, risk factors, and outcomes of early post-operative stroke that occurred within 24 hours after surgery in a university-based tertiary care hospital. Medical records were collected and reviewed between 2015 and 2021. Early post-operative stroke cases were compared with age-matched controls in a 1:3 ratio, and data regarding patient characteristics, intra-operative events, and post-operative outcomes were analyzed. Multiple logistic regression was performed to identify the risk factors for post-operative stroke. The incidence of early (≤24 hours) post-operative stroke was 0.015% (43 out of 284,105 cases). The multivariable analysis revealed that American Society of Anesthesiologists (ASA) physical status ≥3 (adjusted odds ratio [OR]: 3.12; 95% confidence interval [CI]: 1.22-7.99, P = .017), operation time >120 minutes (adjusted OR: 10.69; 95% CI: 3.95-28.94, P < .001), and intra-operative hypotension and inotrope/vasopressor use (adjusted OR: 2.80; 95% CI: 1.08-7.24, P = .034) were risk factors for early post-operative stroke. Compared to the controls, stroke patients had higher rates of planned and unplanned intensive care unit (ICU) admission, length of stay, ventilator use, and death. Despite its low incidence (0.015%), stroke is associated with poor clinical outcomes and increased mortality. Stratification of potential risks and establishment of risk optimization may help reduce stroke incidence.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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