• Lindy S Klaff and Brent E Wisse.
• The Department of Medicine, Harborview Medical Center, University of Washington, Seattle, Washington 98104-2499, USA.
• Endocr Pract. 2007 Sep 1;13(5):542-9.

ObjectiveTo review the controversy related to the widespread use of intensive insulin treatment (IIT) to maintain normoglycemia and of glucocorticoid replacement therapy in patients with sepsis in the intensive care unit (ICU).MethodsWe performed a MEDLINE search of the literature using a combination of words (critical/intensive care, endocrinology/endocrine, glucocorticoid/adrenal, insulin) to identify original studies and reviews on glucocorticoid therapy and IIT in the ICU.ResultsGlucocorticoid replacement therapy is advocated for patients with sepsis who have relative adrenal insufficiency. The current definition of relative adrenal insufficiency is poorly supported, and validated endocrine criteria that consistently identify ICU patients likely to benefit from glucocorticoid therapy are not yet available. IIT benefits postoperative patients at high risk of infection and patients who remain in the ICU more than 3 days. Potential harm caused by early IIT administration in medical ICU patients remains controversial. The role of early nutritional supplementation in major studies about IIT is largely unexplored. Improvements in insulin infusion protocols are needed to reduce the risk of hypoglycemia related to IIT.ConclusionEndocrine therapy in the ICU is entering a new era. Controversies remain related to glucocorticoid and insulin therapy even as interest in new, and old, endocrine therapies is being revived.

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