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AIMS: To assess hospital mortality and morbidity in diabetic and non-diabetic patients with acute myocardial infarction and to compare the results between the two groups. METHODS: All patients admitted in 1999 to the intensive care unit of the Schwabing City Hospital with diagnosis of acute myocardial infarction were assessed for hospital mortality and co-morbidity. RESULTS: Three hundred and thirty patients with acute myocardial infarction were admitted. Of those, 126 (38%) were diabetic and 204 (62%) were non-diabetic patients. Mortality within 24 h after admission was 13.5% in diabetic patients and 5.4% in non-diabetic patients (P<0.01). Mortality during entire hospitalization was higher in diabetic than in non-diabetic patients (29.4% vs. 16.2%; P=0.004). Diabetic patients were resuscitated more frequently than non-diabetic patients (24% vs. 11%, P<0.01). In diabetic patients, heart rate at admission was increased (91 +/- 27 vs. 82 +/- 23/min; P<0.01) and presence of angina pectoris was reported less frequently (59% (n=72) vs. 82% (n=167); P<0.001). Preceding myocardial infarction, microalbuminuria, peripheral artery disease and arterial hypertension were more frequent in diabetic than in non-diabetic patients. Diabetic patients demonstrated higher C-reactive protein (CRP) levels than non-diabetic patients (91.4 +/- 78.2 mg/l vs. 45.2 +/- 62.4 mg/l; P<0.001). CONCLUSIONS: In diabetic patients with acute myocardial infarction, early hospital mortality is increased and signs of cardiac autonomic dysfunction and microangiopathy are detected more frequently than in non-diabetic patients. The need for advanced treatment strategies early in the course of diabetic patients with myocardial infarction is emphasized.
Otter et al. (2004) studied this question.