• José Raimundo A de Azevedo, Leonardo Oliveira de Araujo, Widlani Sousa da Silva, and Renato Palácio de Azevedo.
• Intensive Care Units of Hospital São Domingos and Hospital Dr Clementino Moura, São Luis, Maranhão, Brazil. jrazevedo@elo.com.br
• J Crit Care. 2010 Mar 1;25(1):84-9.

PurposeThe aim of this study is to compare the safety and efficacy of 2 different strategies for glycemic control in critically ill adult patients.Materials And MethodsA total of 337 patients were randomly assigned to a carbohydrate-restrictive strategy (group 1) through glucose-free venous hydration, hypoglycidic nutritional formula, and subcutaneous insulin if blood glucose level was higher than 180 mg/dL or to strict normalization of blood glucose levels (80-120 mg/dL) with the use of insulin infusion (group 2).ResultsPatients in group 1 (n = 169) received 2 (0-6.5) units of regular insulin per day, whereas patients in group 2 (n = 168) received 52 (35-74.5) units per day (P < .001). The median blood glucose level was 144 mg/dL in group 1 and 133.6 mg/dL in group 2 (P = .003). Hypoglycemia occurred in 6 (3.5%) patients in group 1 and 27 (16%) in group 2 (P < .001) and was an independent risk factor for neurological dysfunction and mortality.ConclusionsA carbohydrate-restrictive strategy reduced significantly the incidence of hypoglycemia in critically ill patients compared to intensive insulin therapy. Mortality and morbidity were comparable between the 2 groups.Copyright 2010 Elsevier Inc. All rights reserved.

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