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KMID : 0368120210510100866
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Korean Circulation Journal
2021 Volume.51 No. 10 p.866 ~ p.874
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The 10-Year Trend of Out-of-hospital Cardiac Arrests: a Korean Nationwide Population-Based Study
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Roh Seung-Young
Choi Jong-Il
Park Sang-Hyun
Kim Yun-Gi
Shim Jae-Min
Kim Jin-Seok
Han Kyung-Do
Kim Young-Hoon
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Abstract
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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.
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KEYWORD
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Out-of-hospital cardiac arrest, Death, sudden, cardiac, Heart arrest, Mortality, Korea
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