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Poor outcomes have been associated with elevated blood glucose levels in patients who were admitted to the hospital in critical condition or had acute myocardial infarction. This association has been shown in patients with and those without diabetes. In patients with heart failure, diabetes is an independent predictor of poor outcome. However, the consequences of high blood glucose levels in patients who do not have diabetes are unknown. Barsheshet and associates assessed the impact of high glucose levels on outcomes in patients without diabetes who were admitted to the hospital with heart failure to determine whether this variable could be used as a prognostic indicator.
The study used data collected...