Acute cardiac care & resuscitation
The impact of dispatcher-assisted CPR and prior bystander CPR training on neurologic outcomes in out-of-hospital cardiac arrest: a multicenter study
Authors' conclusion
DA-CPR and prior CPR training play crucial roles in improving favorable neurological outcomes in bystander-witnessed OHCA cases. Additionally, DA-CPR may be particularly effective for untrained bystanders. These findings highlight the importance of integrating widespread CPR training programs and robust DA-CPR protocols into community-based emergency response systems.
Study context
- Population
- Patients with non-traumatic out-of-hospital cardiac arrest (OHCA) witnessed by laypersonspatients analyzed
- Participants
- 2,772 patients
- Exposure
- Bystander dispatcher-assisted cardiopulmonary resuscitation (DA-CPR) or non-DA-CPR, with or without prior CPR training, vs no bystander CPR
- Outcome
- favorable neurological outcomes
- Follow-up
- One month
Methodological details42 emergency hospitals participating in the SOS-KANTO 2017 study
- 42 emergency hospitals participating in the SOS-KANTO 2017 study
Main finding
As reported in the abstract
Each group vs no bystander CPROdds ratio (95% CI)
Bystander non-DA-CPR with CPR training
9.0(2.8–29.6)
Bystander DA-CPR with CPR training
3.1(1.1–8.5)
Bystander DA-CPR without CPR training
2.5(1.3–4.9)
Bystander non-DA-CPR without CPR training
1.6(0.8–3.2)
Observational data: associations, not effects.
Original publication
The impact of dispatcher-assisted CPR and prior bystander CPR training on neurologic outcomes in out-of-hospital cardiac arrest: a multicenter study. Resuscitation. Published 17 April 2025. doi:10.
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