• Metab. Clin. Exp. · Nov 1980

    Effects of anesthesia and surgical stress on insulin secretion in man.

    • J B Halter and A E Pflug.
    • Metab. Clin. Exp. 1980 Nov 1; 29 (11 Suppl 1): 1124-7.

    AbstractSurgical stress with inhalation anesthesia is associated with increased circulating catecholamines, hyperglycemia, and impaired insulin secretion. These changes do not occur during surgical stress with spinal anesthesia, suggesting that they are neurally mediated due to pain initiated afferents from the site of tissue trauma. Inhalation anesthesia alone was found to suppress basal insulin levels and the insulin response to intravenous glucose with no significant increase in plasma norepinephrine and a decrease in plasma epinephrine. Thus, these changes in insulin secretion are not attributable to adrenergic mechanisms. In the postoperative period, however, suppressed insulin secretion was found to be correlated with elevated plasma epinephrine concentrations and may, therefore, be mediated by adrenergic mechanisms. Thus, these findings indicate that impaired insulin secretion during surgical stress may have two etiologies--one related to the type of anesthesia used and the other due to adrenomedullary stimulation due to pain.

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