, Volume 36, Issue 4, pp 725-726
Date: 06 Nov 2009

A retrospective analysis on the impact of caloric intake on glycemic control in critically ill patients

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Since the initial Leuven studies, institutions have developed different insulin infusion protocols (IIP) to improve glycemic control in intensive care units (ICU) [1]. While most published IIP and guidelines mandate concurrent administration of nutrition support or dextrose infusion, our IIP does not require such practice [1, 2]. The objective of our study was to evaluate glycemic control in critically ill patients who had various levels of caloric intake during the first 96 h on the IIP. The study was presented in part as a poster at the Society of Critical Care Medicine’s 37th Critical Care Congress [3].

The study was a retrospective analysis of consecutive patients who were admitted to the Surgical Trauma ICU, Medical ICU, and the Coronary Care Unit at Mayo Clinic-Rochester and were on the IIP. The IIP was initiated by nurses to maintain blood glucose between 5.6 and 8.3 mmol/L (100–150 mg/dL). Blood glucose was evaluated every 1–2 h and nurses would adjust insulin infusion rate acco