Cardiac arrest & resuscitation

Association between bystander automated external defibrillator use and survival in witnessed out-of-hospital cardiac arrest: A nationwide observational study in South Korea

ResuscitationPublished Retrospective cohort study

Main finding · Survival to dischargeResult — go to the resultAdjusted odds ratio 1.01 95% CI 0.70–1.44

Authors' conclusion

Survival to discharge or favorable neurological outcomes of patients with OHCA managed using bystander-applied AEDs and those without showed no significant difference.

Study context

Population
Adult out-of-hospital cardiac arrest (OHCA) cases treated with bystander intervention, Korean national OHCA surveillance database, January 2016 to December 2021of 182,508 OHCA cases
Participants
35,840 cases
Exposure
Bystander cardiopulmonary resuscitation (CPR) with AED vs without AED
  • AEDn = 234
Outcome
Survival to discharge
Methodological detailspropensity-score matched, nationwide
  • Propensity-score matched
  • Nationwide

Main finding

As reported in the abstract

Adjusted odds ratio

1.01

95% CI 0.70–1.44

By group

AED vs Non-AED
aOR 1.01 (95% CI 0.70–1.44)

Observational data: associations, not effects.

Further findings

OutcomeaOR (95% CI)
Favorable neurological outcomes1.08 (0.99–1.18)

Original publication

Association between bystander automated external defibrillator use and survival in witnessed out-of-hospital cardiac arrest: A nationwide observational study in South Korea. Resuscitation. Published 4 September 2024. doi:10.1016/j.resuscitation.2024.110388

Composed by AI from the published abstract and checked against it. How Briefs are made →

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