Out-of-Hospital Sudden Cardiac Arrest Incidence in Daegu and Gyeongbuk, 2013-2023

초록

This study aimed to analyze the incidence, survival outcomes, and associated factors of out-of-hospital cardiac arrest (OHCA) in the Daegu and Gyeongbuk regions using Out-of-Hospital Cardiac Arrest Surveillance data. The goal was to provide evidence that supports improvements in regional emergency response systems. Microdata from the Out-of-Hospital Cardiac Arrest Surveillance covering 11 years (2013-2023) were analyzed. Incidence rates were calculated based on patients' residence. Survival indicators, including survival to discharge, neurological recovery, and bystander cardiopulmonary resuscitation (CPR) rate, were evaluated based on the location of cardiac arrest occurrence. During the past decade, OHCA incidence in Daegu remained lower than the national rate, while Gyeongbuk consistently demonstrated a higher incidence. National survival and neurological recovery have gradually increased, but Gyeongbuk remained below the national average. Survival outcomes were significantly associated with public locations, witnessed events, and bystander CPR. Notably, Daegu has experienced a rapid increase in the bystander CPR rate, with a fivefold over the past decade (from 9.6% in 2013 to 50.9% in 2023). Early recognition and immediate bystander action are crucial for improving OHCA outcomes. Expanding public CPR training and strengthening community-based emergency response systems remain essential. Copyright © Korea Disease Control and Prevention Agency.

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