• Siying Wang, Yi Xu, and Hai Yu.
• Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
• BMC Anesthesiol. 2024 Oct 25; 24 (1): 385385.

BackgroundProphylactic corticosteroids have been widely used to mitigate the inflammatory response induced by cardiopulmonary bypass (CPB). However, the impact of this treatment on clinically important outcomes in infants remains uncertain.MethodsWe systematically searched databases (Medline, Embase, and Cochrane Central Register of Controlled Trials), Clinical Trials Registry, and Google Scholar from inception to March 1, 2024. Randomized controlled trials (RCTs) in which infants undergoing on-pump cardiac surgery received prophylactic corticosteroids or placebo were selected. The risk of bias was assessed using the Cochrane Collaboration risk-of-bias tool. Considering clinical heterogeneity between studies, the random-effects model was used for analysis. Subgroup analyses on the neonatal studies and sensitivity analyses by the leave-one-out method were also conducted.ResultsEight RCTs comprising 1,920 patients were included. Our analysis suggested no significant difference in postoperative mortality (2.1% vs. 3.3%, risk ratio (RR) = 0.71, 95% confidence interval (CI) [0.41, 1.21]). Significantly increased insulin treatment in infants (19.0% vs. 6.5%, RR = 2.78, 95% CI [2.05, 3.77]) and significantly reduced duration of mechanical ventilation in neonates (mean difference = -22.28 h, 95% CI [-42.58, -1.97]) were observed in the corticosteroids group. There were no differences between groups for postoperative acute kidney injury, cardiac arrest, extracorporeal membrane oxygenation support, low cardiac output syndrome, neurologic events, infection, or length of postoperative intensive care unit stay.ConclusionsCurrent evidence does not support the routine prophylactic use of corticosteroids in infants undergoing cardiac surgery with CPB. Further large-scale research is needed to investigate the optimal agent, dosing regimen, and specific impact on various types of cardiac surgery.Trial RegistrationThis systematic review and meta-analysis was registered at the International Prospective Register of Systematic Reviews (CRD42023400176).© 2024. The Author(s).

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