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Insulin and metabolic substrates during human sepsis

Authors
  • Finney, Simon J1
  • 1 National Heart and Lung Institute, Imperial College, Unit of Critical Care, London, UK , London
Type
Published Article
Journal
Critical Care
Publisher
BioMed Central
Publication Date
May 25, 2004
Volume
8
Issue
4
Identifiers
DOI: 10.1186/cc2883
Source
Springer Nature
Keywords
License
Yellow

Abstract

Rusavy and colleagues recently endeavoured to dissect out the metabolic effects of insulin in patients with severe sepsis, in the setting of normoglycaemia. Twenty stable patients were studied 3–7 days after admission using a euglycaemic clamp at two supraphysiological insulin levels. Increased doses of exogenous insulin caused preferential use of glucose as a metabolic substrate, while total energy expenditure remained constant. Consequently, hyperinsulinaemia reduced tissue oxygen demand and catabolism of protein in patients with sepsis; the benefits of these effects are not proven. The effects of insulin at different time points in sepsis were not examined.

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