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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Metabolic and endocrine responses to surgery during caudal analgesia in children.

Plasma concentrations of glucose, lactate, epinephrine, norepinephrine, insulin, cortisol and growth hormone were measured in 28 healthy children, three to six years of age, before, during, and after lower abdominal surgery. The children received premedication with secobarbital, 6, pentazocine, 0.5, and atropine, 0.01 im. Fourteen children received general anaesthesia with nitrous oxide and halothane, and 14 others received caudal analgesia with 1.5% mepivacaine. Plasma glucose, epinephrine and norepinephrine concentrations remained unchanged in the general anaesthesia group, but decreased during and after surgery in the caudal analgesia group (P less than 0.05). During surgery, these concentrations were different between the two groups (P less than 0.05). Plasma insulin and cortisol concentrations increased after surgery (P less than 0.05), and growth hormone concentration increased during and after surgery in the general anaesthesia group (P less than 0.05), but the concentrations of these hormones remained unchanged during and after surgery in the caudal analgesia group. Plasma lactate concentrations were unchanged in both groups. These results indicate that caudal analgesia suppresses the metabolic and endocrine responses to stress associated with lower abdominal surgery in children.[1]


  1. Metabolic and endocrine responses to surgery during caudal analgesia in children. Nakamura, T., Takasaki, M. Canadian journal of anaesthesia = Journal canadien d'anesthésie. (1991) [Pubmed]
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