European journal of anaesthesiology
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Intensive insulin therapy reduced mortality in patients admitted to an intensive care unit following mainly cardiac surgery. The aim of this prospective study was to evaluate, if intensive insulin therapy could reduce mortality in medical and non-cardiac surgical patients admitted to a multidisciplinary intensive care unit. ⋯ Following intensive insulin therapy there was a trend towards reduced mortality in medical and non-cardiac surgical patients but less pronounced as in cardiac surgical patients. Intensive insulin therapy increased the frequency of hypoglycaemia. Around 4400 patients would have to be included in any future randomized study to reach significance.
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Sedation is commonly required by critically ill patients and inadequate sedation may be hazardous. Traditionally, subjective scales have been used for monitoring sedation. Bispectral index has been proposed, although its utility in the intensive care unit is debated. Our aim was to evaluate the depth of sedation in intubated surgical critically ill patients by means of two sedation scales (Ramsay and Observer's Assessment of Alertness and Sedation) and bispectral index. ⋯ Sedation should be monitored routinely in intensive care units. The Ramsay and the Observer's Assessment of Alertness and Sedation scales showed equal efficacy. Bispectral index might prove useful for discriminating between deeper levels of sedation.