Fever Is Not Responsible for the Elevated Glucose Kinetics in Sepsis

Charles H. Lang, Gregory J. Bagby, Howard L. Blakesley, John J. Spitzer

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19 Scopus citations


Previous studies have suggested that alterations in the classical neuroendocrine system may not be responsible for the increased glucose metabolism observed during hypermetabolic sepsis. The purpose of the present study was to determine whether inhibition of the cyclooxygenase pathway with indomethacin, which prevents the production of arachidonic acid metabolites by this pathway and the sepsis-induced increase in body temperature, would abolish the increases in glucose appearance (Ra), recycling, and hyperlactacidemia. Sepsis was induced in chronically catheterized conscious rats by multiple injections of live Escherichia coli via a subcutaneous catheter. Septic animals received iv injections of indomethacin (5 mg/kg) every 6-8 hr to block the cyclooxygenase pathway. Glucose kinetics were assessed in 24-hr fasted rats using a constant iv infusion of [6-3H]- and [U-14C]glucose. Treatment with indomethacin prevented the 1-2°C increase in body temperature observed in septic animals. Septic rats exhibited an elevated plasma lactate concentration and increased rates of glucose appearance and recycling. The sepsis-induced alterations in these variables were not attenuated by indomethacin. These results suggest that neither elevated body temperature nor the generation of arachidonic acid metabolites of the cyclooxygenase pathway is responsible for increasing glucose production in hypermetabolic septic rats.

Original languageEnglish (US)
Pages (from-to)455-461
Number of pages7
JournalProceedings of the Society for Experimental Biology and Medicine
Issue number4
StatePublished - Sep 1987

All Science Journal Classification (ASJC) codes

  • General Biochemistry, Genetics and Molecular Biology


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