• Rodrigo Leal Alves, Macius Pontes Cerqueira, Nadja Cecília de Castro Kraychete, Guilherme Oliveira Campos, Marcelo de Jesus Martins, and Norma Sueli Pinheiro Módolo.
• Hospital São Rafael, Salvador, BA, Brazil. peres@mail.com
• Arq. Bras. Cardiol. 2011 Nov 1;97(5):372-9.

BackgroundAnesthesia for pediatric cardiac surgery is systematically performed in severely ill patients under abnormal physiological conditions. In the intraoperative period, there are significant variations in blood volume, body temperature, plasma composition, and tissue blood flow, in addition to activation of inflammation, with important consequences. Serial measurements of blood glucose levels can indicate states of exacerbation of the neuroendocrine-metabolic response to trauma, serving as prognostic markers of morbidity in that population.ObjectiveTo correlate perioperative blood glucose levels of children undergoing cardiac surgery with the occurrence of postoperative complications, and to compare intraoperative blood glucose levels according to perioperative conditions.MethodsInformation regarding the surgical/anesthetic procedure and perioperative conditions of patients was collected from the medical records. The mean perioperative blood glucose levels in the groups of patients with and without postoperative complications and the frequencies of perioperative conditions were compared by use of odds ratio and non-parametric univariate analyses.ResultsHigher intraoperative blood glucose levels were observed in individuals who had postoperative complications. Prematurity, age group, type of anesthesia, and character of the procedure did not influence the mean intraoperative blood glucose level. The use of extracorporeal circulation (ECC) was associated with higher blood glucose levels during surgery. In procedures with ECC, higher blood glucose levels were observed in individuals who had infectious and cardiovascular complications. In surgeries without ECC, that association was observed with infectious and hematological complications.ConclusionHigher intraoperative blood glucose levels are associated with higher morbidity in the postoperative period of pediatric cardiac surgery.

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