Association between time taken to start dispatch assisted-bystander cardiopulmonary resuscitation (dispatcher-assisted cardiopulmonary resuscitation (DA-CPR)) and outcomes for out-of-hospital cardiac arrest (OHCA)
Authors' conclusion
This study found that among non-traumatic, witnessed OHCA patients who received DA-CPR, a shorter time to start DA-CPR was associated with better 30-day survival with favorable neurological outcomes.
Study context
- Population
- Adult, witnessed, non-traumatic OHCA patients who received DA-CPR, Singapore Pan-Asian Resuscitation Outcomes Study, 2012–2021
- Participants
- 3,861 participants
- Exposure
- Medium or long vs short time from emergency call to start of DA-CPR
- Outcome
- Survival to 30-days with favorable neurological outcomes
- Follow-up
- 30 days
Methodological detailsmultivariable logistic regression, restricted cubic spline
- Multivariable logistic regression
- Restricted cubic spline
Main finding
As reported in the abstract
Survival to 30 days with favorable neurological outcomes
AOR for survival to 30 days with favorable neurological outcomes (95% CI)
Medium vs Short
0.82(0.52–1.28)
Long vs Short
0.63(0.40–0.98)
Observational data: associations, not effects.
Further findings
Restricted cubic spline of time to DA-CPR
- Monotonic decrease in OR for survival to 30-days with favorable neurological outcomes
Original publication
Association between time taken to start dispatch assisted-bystander cardiopulmonary resuscitation (DA-CPR) and outcomes for out-of-hospital cardiac arrest (OHCA). Resuscitation. Published 21 May 2025. doi:10.
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