Cardiac arrest & resuscitation
What to expect from a smartphone dispatch application for out-of-hospital cardiac arrest in a national population?
Authors' conclusion
The nationwide deployment of a smartphone dispatch application facilitated citizen response and CPR initiation before EMS arrival
Study context
- Population
- Out-of-hospital cardiac arrest (OHCA) incidents with citizen responders dispatched by emergency medical services (EMS) via the SAUV Life application, France, January 2018–November 2022
- Participants
- 24,159 OHCA incidents
- Exposure
- Trained vs Untrained
- Outcome
- Arrival before EMS
Methodological detailsnational, multivariable analysis
- National
- Multivariable analysis
Main finding
As reported in the abstract
Odds ratio (95% CI)P value
Trained user
2.58(2.25–2.95)
P < 0.01Age < 38 years
1.17(1.10–1.25)
P < 0.01Shorter distance to the incident
0.98(0.97–0.99)
P < 0.01More years of application use
1.06(1.03–1.09)
P < 0.01- Incidents where users arrived before EMS
- 3,690/24,159 (15%)
Observational data: associations, not effects.
Further findings
Chest compressions initiated (incidents with users arriving before EMS)
- Chest compressions initiated
- 2,585/3,690 (70%)
Automated external defibrillators (AED) brought (incidents with users arriving before EMS)
- AED brought in
- 116/3,690 (3%)
Original publication
What to expect from a smartphone dispatch application for out-of-hospital cardiac arrest in a national population? Resuscitation. Published 6 November 2025. doi:10.
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