Cardiac arrest & resuscitation

Video-vs audio-instructed dispatcher-assisted cardiopulmonary resuscitation (CPR) and outcomes after out-of-hospital cardiac arrest: a nationwide registry-based cohort study

ResuscitationPublished Retrospective cohort study

An erratum to this article was published (Resuscitation, Jun 2026 ↗)

Main findingResult — go to the resultAdjusted odds ratio 1.64 95% CI 1.39–1.92

Authors' conclusion

DA-CPR in the VG was associated with associated with higher odd of favorable neurological outcomes and survival in patients with OHCA, while instruction and CPR initiation times were modestly longer.

Study context

Population
Emergency medical service (EMS)-treated out-of-hospital cardiac arrest (OHCA) in Korea, 2019–2021 (Korean Out-of-Hospital Cardiac Arrest Registry), all 18 provincial EMS systems
Participants
35,471 participants
Exposure
Video-based vs audio-based dispatcher-assisted CPR
  • VGn = 2,498
  • AGn = 32,973reference
Outcome
Good neurological status at discharge (Cerebral Performance Category 1-2)
Follow-up
Discharge
Methodological detailsnationwide, registry-based, multivariate logistic regression, propensity score-matching
  • Nationwide
  • Registry-based
  • Multivariate logistic regression
  • Propensity score-matching

Main finding

As reported in the abstract

Adjusted odds ratio

1.64

95% CI 1.39–1.92

VG vs AG
aOR 1.64 (95% CI 1.39–1.92)

Observational data: associations, not effects.

Secondary outcomes

OutcomeaOR
Prehospital ROSC1.29 (95% CI 1.18–1.41)
Survival to discharge1.50 (95% CI 1.33–1.69)
Instruction time interval ≤90 s0.91 (CI 0.84–0.99)
CPR start time interval ≤150 s0.89 (CI 0.81–0.97)

Original publication

Video-vs audio-instructed dispatcher-assisted CPR and outcomes after out-of-hospital cardiac arrest: a nationwide registry-based cohort study. Resuscitation. Published 6 February 2026. doi:10.1016/j.resuscitation.2026.111009

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

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.