Korean Circ J.  2021 Oct;51(10):866-874. 10.4070/kcj.2021.0127.

The 10-Year Trend of Out-of-hospital Cardiac Arrests: a Korean Nationwide Population-Based Study

Affiliations
  • 1Division of Cardiology, Department of Internal Medicine, Korea University College of Medicine and Korea University Medical Center, Seoul, Korea
  • 2Department of Medical Statistics, College of Medicine, Catholic University of Korea, Seoul, Korea
  • 3Department of Statistics and Actuarial Science, Soongsil University, Seoul, Korea

Abstract

Background and Objectives
It is crucial to understand the exact public health burden of out-of-hospital cardiac arrest (OHCA) cases; this is presently unknown since sufficient episodes are not reported in registry studies. We aimed to evaluate the epidemiologic features and outcomes of non-traumatic OHCA.
Methods
During January 2008 to December 2017, we enrolled 387,665 patients who had been assigned a code for sudden cardiac arrest or had undergone cardiopulmonary resuscitation in the emergency room using the Korean National Health Insurance Service database. Those whose arrest was of non-cardiac origin were excluded.
Results
The incidence of OHCA per 100,000 patients increased steadily from 48.2 in 2008 to, 53.8 in 2011, 60.1 in 2014, and 66.7 in 2017, with a 1-year survival rate of 8.2%. Age and sex-adjusted mortality rates showed a decreasing trend. The hazard ratio was 1.0015 in 2009, 0.9865 in 2012, 0.9769 in 2015, and 0.9629 in 2017 (p for trend <0.0001), with coronary artery disease-related OHCA accounting for 59.8% of the total. Subgroups with coronary artery disease-related OHCA were more likely to be older and have a higher prevalence of all related comorbidities, excluding malignancy, than those with non-coronary artery disease-related OHCA.
Conclusions
This nationwide population-based study showed that the incidence of OHCA in Korea had increased during the last decade. The post OHCA 1-year mortality rate showed a poor outcome but improved gradually.

Keyword

Out-of-hospital cardiac arrest; Death; sudden; cardiac; Heart arrest; Mortality; Korea

Figure

  • Figure 1 Flowchart of the process used to identify out-of-hospital cardiac arrest and -related etiology.CAD = coronary artery disease; CPR = cardiopulmonary resuscitation; EMS = emergency medical services; K-NHIS = Korean National Health Insurance System.

  • Figure 2 Annual trends in age- and sex-adjusted incidence of out-of-hospital cardiac arrest per 100,000 person-years.


Cited by  2 articles

Recent Update in Out-of-Hospital Cardiac Arrests in Korea
Namsik Yoon
Korean Circ J. 2021;51(10):875-876.    doi: 10.4070/kcj.2021.0281.

Clinical and Genetic Features of Korean Inherited Arrhythmia Probands
Joo Hee Jeong, Suk-Kyu Oh, Yun Gi Kim, Yun Young Choi, Hyoung Seok Lee, Jaemin Shim, Yae Min Park, Jun-Hyung Kim, Yong-Seog Oh, Nam-Ho Kim, Hui-Nam Pak, Young Keun On, Hyung Wook Park, Gyo-Seung Hwang, Dae-Kyeong Kim, Young-Ah Park, Hyoung-Seob Park, Yongkeun Cho, Seil Oh, Jong-Il Choi, Young-Hoon Kim
Korean Circ J. 2023;53(10):693-707.    doi: 10.4070/kcj.2023.0083.


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