• EmaraMoataz MaherMMDepartment of Anesthesiology and Intensive Care and Pain Medicine, Mansoura University, Faculty of Medicine, Mansoura, Egypt. mm.emara@mans.edu.eg.Liver Transplantation program, Mansoura University, Gastrointestinal Surgery Center, Mans, Doaa Galal Diab, Amr Mohamed Yassen, and Maha A Abo-Zeid.
• Department of Anesthesiology and Intensive Care and Pain Medicine, Mansoura University, Faculty of Medicine, Mansoura, Egypt. mm.emara@mans.edu.eg.
• BMC Anesthesiol. 2022 Dec 19; 22 (1): 393393.

BackgroundAcute kidney injury (AKI) is a common complication after liver transplantation, which is associated with increased morbidity and mortality. Therefore, this study investigated mannitol as an oxygen-free radical scavenger and its role in the prevention of early AKI after living donor liver transplantation (LDLT).MethodsA total of 84 adult patients who underwent LDLT were randomly assigned to two equal groups: the M group, where patients received 1 g/kg mannitol 20%, or the S group, where patients received an equal volume of saline. The primary outcome was the incidence of early AKI, defined as a 0.3 mg/dl increase in the serum creatinine 48 h postoperatively. Laboratory assessments of the graft and creatinine were recorded until 3 months after transplantation besides the post-reperfusion syndrome and the intraoperative hemodynamic measurements.ResultsThe AKI incidence was comparable between groups (relative risk ratio of 1.285, 95% CI 0.598-2.759, P = 0.518). Moreover, AKI stages and serum creatinine 3 months after transplantation, P = 0.23 and P = 0.25, respectively. The incidence of the post-reperfusion syndrome was comparable in both groups, 29/39 (74.4%) and 31/41 (75.6%) in M and S groups, respectively, P = 0.897. The intraoperative hemodynamic parameters showed no significant difference between groups using the area under the curve.ConclusionThe current LDLT recipient sample was insufficient to demonstrate that pre-reperfusion 1 g/kg mannitol infusion would reduce the risk of early AKI or post-reperfusion syndrome.Clinical Trial Registration NumberPan African Clinical Trials Registry (PACTR202203622900599); https://pactr.samrc.ac.za/TrialDisplay.aspx?TrialID=21511 .© 2022. The Author(s).

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