• Ozkan Onal, Surendrasingh Chhabada, Xuan Pu, Liu Liu, Tetsuya Shimada, Kurt Ruetzler, and Alparslan Turan.
• Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH, United States of America; Department of Anesthesiology and Reanimation, Selcuk University Faculty of Medicine, Konya, Turkey; Outcomes Research Consortium, Cleveland, OH, United States of America.
• J Clin Anesth. 2022 Dec 1; 83: 110985110985.

Background And Study ObjectiveAcute kidney injury (AKI) is a sudden deterioration in renal function and is common in pediatric patients undergoing cardiac and non-cardiac surgery. Few studies have investigated the association of postoperative AKI with kidney dysfunction seen long-term and other adverse outcomes in pediatric patients. The study aimed to determine the association between postoperative AKI (mild AKI vs. no AKI and mild AKI vs. moderate-severe AKI) and chronic kidney dysfunction (CKD) seen long-term in pediatric patients undergoing cardiac and non-cardiac major surgery.DesignRestrospective, cohort study.SettingTertiary care hospital.PatientsThis retrospective cohort study included patients aged 2-18 years who underwent cardiac and non-cardiac major surgery lasting >2 h at the Cleveland Clinic Main Campus between June 2005 and December 2020.MeasurementsPostoperative AKI and CKD seen in long-term were defined and staged according to the Kidney Disease: Improving Global Outcomes criteria.Main ResultsAmong 10,597 children who had cardiac and non-cardiac major surgery, 1,302 were eligible. A total of 682 patients were excluded for missing variables and baseline kidney dysfunction and 620 patients were included. The mean age was 11 years, and 307 (49.5%) were female. Postoperative mild AKI was detected in 5.8% of the patients, while moderate-severe AKI was detected in 2.4%. There was no significant difference in CKD seen in long-term between patients with and without postoperative AKI, p = 0.83. The CKD seen in long-term developed in 27.7% of patients with postoperative mild AKI and 33.3% of patients with postoperative moderate and severe AKI. Patients without postoperative AKI had an estimated 1.09 times higher odds of having CKD seen in long-term compared with patients who have postoperative mild AKI (odds ratio [95% CI] 1.09 [0.48,2.52]).ConclusionIn contrast to adult patients, the authors did not find any association between postoperative AKI and CKD seen in long-term in pediatric patients.Copyright © 2022 Elsevier Inc. All rights reserved.

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