• Tian Wang, Xiangyu Wang, Jinping Liu, Lihua Zou, Jingtao Wang, Mingxia Zhao, and Yongli Cui.
• Department of Anesthesiology, Peking University Third Hospital, Beijing, China.
• Paediatr Anaesth. 2018 Oct 1; 28 (10): 914-923.

BackgroundIn many centers, fresh frozen plasma is generally used as the main component of pump prime in pediatric cardiopulmonary bypass. However, many factors have resulted in stringent control of plasma transfusion and prompted the study of safe and efficient substitutes.AimsThe aim of this study was to investigate the feasibility of a priming strategy with gelatin during cardiopulmonary bypass in pediatric patients undergoing cardiac surgery and identify the factors associated with postoperative chest-tube drainage.MethodsWe reviewed 1164 pediatric patients who underwent cardiac surgery with cardiopulmonary bypass between January 2012 and April 2013 in Fuwai hospital. Infants and children were primed with different types of solution: plasma or gelatin. Clinical data included postoperative coagulation function (pharmacological agents, chest-tube drainage, and transfusion requirements), recovery indicators (mechanical ventilator time, ICU stay and hospital stay), incidence of in-hospital mortality, and morbidity. Multivariate linear regression analysis was used to identify factors correlated with postoperative chest-tube drainage.ResultsNo difference in mortality or morbidity was found between the plasma and gelatin groups. In infants, increased chest-tube drainage (postoperation 12 hours, median difference -0.046 ml/kg/hr, 95%CI: -0.105 to -0.007, P = 0.001; postoperation 24 hours, median difference -0.047 ml/kg/hr, 95%CI: -0.081 to -0.025, P < 0.001), and decreased transfusion (red blood cell, median difference 0.00 ml/kg/hr, 95%CI: 0.000-100, P < 0.001; fresh frozen plasma, median difference 5.556 ml/kg/hr, 95%CI: 2.30-8.333, P = 0.001), and recovery time (mechanical ventilator time, median difference 3.00 hours, 95%CI: 1.00-5.500, P < 0.001; ICU stay, median difference 17.00 hours, 95%CI: 1.00-22.000, P = 0.001; hospital stay, median difference 1.00 day, 95%CI: 0.00-2.000, P = 0.038) were demonstrated in the gelatin group. In children, the transfusion requirements (red blood cell, median difference 100 ml, P < 0.001;fresh frozen plasma, median difference 1.11 ml/kg, 95%CI: 0.000-2.42, P = 0.001) were decreased in the gelatin group. Multivariate linear regression analysis revealed that the type of priming solution (β = 1.940,95%CI: 1.057-2.823,P < 0.001), bypass time (β = 0.024, 95%CI: 0.013-0.036, P < 0.001), and age (β = -0.257, 95%CI: -0.422 to -0.09, P = 0.002) were independent variables correlating with chest-tube drainage in infants.ConclusionIn the general pediatric patients undergoing elective cardiac surgery, substitution of gelatin for fresh frozen plasma in cardiopulmonary bypass is feasible.© 2018 John Wiley & Sons Ltd.

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