PMID: 2099126Nov 1, 1990Paper

Myocardial infarct in diabetes mellitus: short- and long-term prognostic factors

Archivos del Instituto de Cardiología de México
J R Casariego RosonA Rodríguez Llorian

Abstract

To determine the evolution of acute myocardial infarction in patients with diabetes we study 207 consecutive patients with myocardial infarction. Using WHO's criteria 23% of our cases were diagnosed of diabetes mellitus. Diabetic patients were older than non diabetic (67.9 +/- 10 years vs. 62.4 +/- 11 years, p less than 0.05) and had a higher ratio of females (52% vs. 21%, p less than 0.001). Cigarette smoking was infrequent in diabetic population. Incidence of other risk factors was comparable. Despite an increased proportion on no q-wave myocardial infarction in the diabetic patients (12.5% vs. 6.9%, p NS), the site of infarction was similar into the two groups. Acute phase mortality was higher in the diabetic group (37.5% vs. 16.3%, p less than 0.001). This increased mortality is, partially, related to an increased incidence of pump failure, but a multivariate analysis using stepwise logistic regression, selected diabetes as an independent predictor of prognosis. Survivors were followed for 41 +/- 20 months; diabetic patients showed a poor prognosis with a higher incidence of congestive heart failure (42.8% vs. 13.7%, p less than 0.01), reinfarction (16.6% vs. 8.5%) and death. Cox proportional hazard model selected diabetes ...Continue Reading

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