• Maria Larsson, Ann-Britt Thorén, and Johan Herlitz.
• Division of Cardiology, Sahlgrenska University Hospital, SE-413 45 Göteborg, Sweden.
• Resuscitation. 2005 Sep 1; 66 (3): 303-7.

BackgroundFactors of importance for the outcome among patients who are admitted to hospital alive after an out-of-hospital cardiac arrest are not well described in the literature. The importance of a history of diabetes for the outcome among these patients has not been reported in detail previously. This survey aims to describe the outcome among patients who were admitted to hospital after an out-of-hospital cardiac arrest in relation to whether they had a history of diabetes.MethodsAll patients who were admitted to hospital alive after an out-of-hospital cardiac arrest in the two city hospitals in the Municipality of Göteborg between 1980 and 2002 were included in the survey.ResultsIn all, 1377 patients fulfilled the inclusion criteria and 187 (14%) of them had a history of diabetes. Patients with diabetes differed from those without diabetes by having a previous history of myocardial infarction, angina pectoris, hypertension and heart failure more frequently. Furthermore, they were older, with a mean age of 70 years versus 66 years for patients without diabetes. Among patients with diabetes, 25% were discharged alive, as compared with 37% of patients without diabetes (p=0.002). When adjusting for differences at baseline, the adjusted odds ratio for diabetic patients being discharged alive (versus no diabetes) was 0.57 (95% confidence interval, 0.39-0.80).ConclusionAmong patients admitted to hospital after an out-of-hospital cardiac arrest, 14% had a history of diabetes. These patients had a lower survival rate compared with those without diabetes, even after correcting for dissimilarities at baseline. It remains to be determined whether an early metabolic intervention in these patients will improve survival.

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