Resumen

CACCAVO, Alberto et al. Eleven Years Incidence of Infarction with ST Elevation or Left Bundle Branch Block on the Population of a Community in the Province of Buenos Aires. Rev. argent. cardiol. [online]. 2007, vol.75, n.3, pp.185-188. ISSN 1850-3748.

Introduction Acute Myocardial Infarction (AMI) is an important cause of death in the Argentine population. At present, its treatment is focused on attempting early reperfusion of the thrombosed artery. We are not aware of studies performed in our country that allowed evaluating how many people need this type of therapy in a given population. Objectives a) To describe the anual rate of hospitalization due to acute myocardial infarction (AMI) in a district of the province of Buenos Aires within the period 1995-2005. b) To describe the variation of this rate based on sex and season of the year. c) To evaluate in-hospital mortality. Population and Material and Methods This is a retrospective descriptive study (1995-2005) performed in the district of Coronel Suarez, province of Buenos Airs, based on the hospitalizations carried out in the only hospitals with AMI patients admissions. All the patients diagnosed ST segment elevation AMI were included, data was correlated with the INDEC 2001 census, and the annual rate of hospitalization was assessed for all the population by sex, age and season of the year. To assess the statistical significance of the difference between male and female patient rates and among seasons of the year, the chi square test was used, and the confidence interval in the relation between two independent rates. Results Throughout the study, 367 AMI hospitalizations were identified, 275 were males and 92 females. The annual AMI rate (each 10,000 people) for all the population was 9.06 [8.13- 9.98], 13.78 in males and 4.47 in females (ratio: 3.06 [2.37- 3.76]). The annual rate showed an increased trend with age. Conclusions In our population, approximately 9 out of 10,000 inhabitants would require hospitalization due to AMI per year. The hospitalization rate increases in males and with > 65 years, there were no significant seasonal differences. The in-hospital mortality found in the study was 9%.

Palabras clave : Hospitalization; Infarction; Vital Statistics.

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