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Epidemiol Health > Volume 44; 2022 > Article
Epidemiology and Health 2022;44: e2022057-0.
DOI: https://doi.org/10.4178/epih.e2022057    Published online Jul 12, 2022.
Epidemiology of myocardial infarction in Korea: hospitalization incidence, prevalence, and mortality
Rock Bum Kim1  , Jang-Rak Kim1  , Jin Yong Hwang2 
1Department of Preventive Medicine and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, Korea
2Department of Internal Medicine, Gyeongsang National University College of Medicine and Gyeongsang National University Hospital, Jinju, Korea
Correspondence  Jang-Rak Kim ,Email: jrkim@gnu.ac.kr
Jin Yong Hwang ,Email: jyhwang@gnu.ac.kr
Received: Apr 7, 2022  Accepted after revision: Jul 12, 2022
Abstract
Few studies have comprehensively presented epidemiological indicators of myocardial infarction in Korea. However, multiple published articles and open-source secondary data on the epidemiology of myocardial infarction are now available. This review summarized the hospitalization incidence, prevalence, and mortality rate of myocardial infarction in Korea using articles and open-source data from the Health Insurance Service and the Department of Statistics, surveys of sample populations, registries of patients, and other sources. The epidemiological indicators of myocardial infarction were compared between Korea and other high-income countries. The incidence of hospitalization due to myocardial infarction in Korea was 43.2 cases per 100,000 population in 2016 and has consistently increased since 2011. It was 2.4 times higher among men than among women. The estimated prevalence among adults over 30 years of age ranged from 0.34% to 0.70% in 2020; it was higher among men and increased with age. The mortality in 2020, which was 19.3 per 100,000 population in 2020, remained relatively stable in recent years. Mortality was higher among men than among women. Based on representative inpatient registry data, the proportion of ST-elevated myocardial infarction decreased until recently, and the median time from symptom onset to hospital arrival was approximately 2 hours and 30 minutes. The hospitalization incidence, prevalence, and mortality rate of myocardial infarction were lower in Korea than in other countries, although there was an increasing trend. Comprehensive national-level support and surveillance systems are needed to routinely collect accurate epidemiological indicators.
Keywords: Myocardial infarction, Epidemiology, Incidence, Prevalence, Mortality


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