• Thanh T Nguyen, Humphrey V Lam, Thomas M Austin, Paul Stricker, Huseyin Tunceroglu, and Jonathan Schoenecker.
• Department of Anesthesiology, University of Colorado School of Medicine, Aurora, Colorado.
• Paediatr Anaesth. 2019 Aug 1; 29 (8): 858-864.

BackgroundOpen cranial vault reconstruction is frequently performed for craniosynostosis. These procedures often involve high volume blood loss that requires blood transfusion. Antifibrinolytics have been shown to decrease blood loss during these procedures but the optimal dose that maximizes benefits is not known.AimsThe primary aim was to evaluate the differences in calculated blood loss between a high infusion rate (40 mg/kg/h) and a low infusion rate (≤30 mg/kg/h) of epsilon aminocaproic acid after a 100 mg/kg loading dose. Secondary aims were to determine if a high infusion rate of epsilon aminocaproic acid was associated with decreased packed red cell transfusion volume and to determine the factors associated with blood loss.MethodsThis was a retrospective study of children who underwent open cranial vault reconstruction. Using an electronic medical record, we identified patients that fit the inclusion criteria. Demographic, laboratory, transfusion, and perioperative data were collected and statistical analysis was performed.ResultsFifty-three patients were included into the study with twenty-three receiving higher infusion rate (40 mg/kg/h) epsilon aminocaproic acid. There was a 14.3 mL/kg (95% CI 6.6-23.9) decrease in calculated blood loss in the high-dose cohort.ConclusionAn EACA bolus of 100 mg/kg followed by an infusion of 40 mg/kg was associated with a lower calculated blood loss compared to the group who received 100 mg/kg EACA and ≤ 30 mg/kg infusion.© 2019 John Wiley & Sons Ltd.

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