• Jean-Charles Preiser, Philippe Devos, and René Chiolero.
• Department of General Intensive Care, University Hospital Centre of Liege, Liege, Belgium. Jean-Charles.Preiser@chu.ulg.ac.be
• Curr Opin Clin Nutr Metab Care. 2010 Mar 1;13(2):205-10.

Purpose Of ReviewIntensive insulin therapy titrated to restore and maintain blood glucose between 80 and 110 mg/dl (4.4-6.1 mmol/l) was found to improve survival of critically ill patients in one pioneering proof-of-concept study performed in a surgical intensive care unit. The external validity of these findings was investigated.Recent FindingsSix independent prospective randomized controlled trials, involving 9877 patients in total, were unable to confirm the survival benefit reported in the pioneering trial. Several hypotheses were proposed to explain this discrepancy, including the case-mix, the features of the usual care, the quality of glucose control and the risks associated with hypoglycemia.SummaryBefore a better understanding and delineation of the conditions associated with and improved outcome by tight glycemic control, the choice of an intermediate glycemic target appears as a safe and effective solution.

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