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Diabetes mellitus worsens the prognosis of an acute myocardial infarction in patients older than 80 years

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Objective

To evaluate the influence of diabetes mellitus in the prognosis of an acute myocardial infarction in patients older than 80 years.

Methods

This was a retrospective analysis. We studied a period of time of 10 years (from 1 July 1989 to 30 June 1999). Analyzed were all patients older than 80 years admitted with an acute myocardial infarction. The statistical analysis was realized by Chi-square test. Values P < 0.05 were considered statistically significant.

Results

Analyzed were 235 patients (51.06% males) and 26.38% had diabetes mellitus. They had the following pathological antecedents: arterial hypertension 39.14%, coronary disease 34.04%. Myocardial infarction was anterior in 69.78% cases and 80.85% patients developed Q wave. Patients had several complications: 14.04% supraventricular tachycardia, 5.95% complete atrioventricular block, 59.14% left ventricular failure, 34.89% cardiogenic shock and dead 39.14%. Patients with diabetes mellitus developed more left ventricular failure (67.74% vs 53.17%), cardiogenic shock (46.77% vs 32.36%) and had more incidence of exitus (50% vs 35.26%). We did not find significant differences in the sex, antecedents of arterial hypertension, antecedents of coronary disease, localization of myocardial infarction and development of Q wave. Neither were significant differences noted in the appearance of supraventricular tachycardia and complete atrioventricular block.

Conclusions

Diabetes mellitus had a negative influence in the evolution of an acute myocardial infarction in patients older than 80 years.

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Lorente, L., Martín, M., Valencia, J. et al. Diabetes mellitus worsens the prognosis of an acute myocardial infarction in patients older than 80 years. Crit Care 6, P157 (2002). https://doi.org/10.1186/cc1615

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Keywords

  • Public Health
  • Hypertension
  • Diabetes Mellitus
  • Myocardial Infarction
  • Emergency Medicine