secular trend changes in mean age of morbidity and mortality from an acute myocardial infarction during a 10-year period of time in isfahan and najaf abad

background and aims: according to different reports about the demographic characteristics of patients with acute myocardial infarction in iran, this study performed to determine the average age of morbidity and mortality from ami and its changes over time. methods: a hospital-based retrospective cohort study (historical) including all patients with acute myocardial infarction admitted to hospitals during the 10 years in isfahan and najaf abad. patients were followed for 28 days to investigate their outcome through telephone calls or attending at patients’ houses. results: 12815 mi patients (72.6% men) were admitted to public and private hospitals of isfahan and najaf abad during 2000-2009. the mean age for men was 60 ± 12.54 and for women was 66.72 ± 11.34 (p<0.001). the average age of disease occurrence was 61.52 ± 12.39 during 2000-04 and 62.15±12.74 during 2005-09 (p<0.001) and for mortality 68.73 ± 10.76 and 70.33 ± 10.89 (p<0.001), respectively. conclusion: during the study period, the average age of mi occurrence and mortality in men and women had been increased, which could be a consequence of increased life expectancy in the whole community and either preventive or curative programs in these two cities.