Epidemiology of myocardial infarction in Korea: hospitalization incidence, prevalence, and mortality

Abstract

Objectives and Methods: There were few studies that comprehensively presented epidemiologic indicators of myocardial infarction on Korea. However, some published articles and opened secondary data for myocardial infarction's epidemiology are now available, making it possible to present these indicators. This review provided on the hospitalized incidence, prevalence, and mortality for myocardial infarction on Korea by using articles and opened data such as data of Health Insurance Service, Department of Statistics, survey from sampled population, registry of patients and etc. Also, this review compared several high-income countries epidemiologic indicators of myocardial infarction. Results:The hospitalized incidence of myocardial infarction in Korea was estimated to be 43.2 per 100,000 populations in 2016 and has been increasing since 2011. It was 2.4 times higher in male than female. The prevalence in adults over 30 years was estimated to range from 0.34% to 0.70% in 2020, and this was higher among male and the older. The mortality was 19.3 per 100,000 populations in 2020, showing no significant change or a slight decrease in recent years, and the male mortality was higher than that of females. From the representative inpatients registry data, the proportion of ST elevated myocardial infarction decreased until recently, and the symptom onset to hospital arrival median time was about 2 hours 30 minutes. Conclusions:The epidemiologic indicators of myocardial infarction from a variety of Korean databases showed that the incidence, prevalence, and mortality tend to be lower than those of other western countries but an increasing trend. And so, to produce continuous and accurate epidemiologic indicators, comprehensive support and surveillance system are needed at the national level.

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