Cardiac arrest & resuscitation
A standard operating procedure for prehospital anaesthesia and its effect on mortality—An observational study
Authors' conclusion
Implementation of an SOP for prehospital anaesthesia was associated with a trend towards lower 1-day mortality and an improved first-pass success but did not affect 30-day mortality.
Study context
- Population
- Patients receiving prehospital anaesthesia by Finnish helicopter emergency medical services (HEMS), January 2012 to August 2019tracheal intubations
- Participants
- 3,902 / 430 / 1,525
- Exposure
- Prehospital anaesthesia during or after standard operating procedure (SOP) implementation vs without SOP
- Without SOPn = 3,902reference
- During implementationn = 430
- After implementationn = 1,525
- Outcome
- 1- and 30-day mortality
Methodological detailsbefore-after implementation, logistic regression for confounding
- Before-after implementation
- Logistic regression for confounding
Main finding
As reported in the abstract
1-day and 30-day mortality
Each group vs without SOPOdds ratio (95% CI)
During implementation1-day mortality
0.56(0.37–0.81)
After implementation1-day mortality; trend towards benefit
0.84(0.68–1.04)
After implementation30-day mortality; no difference
1.10(0.92–1.30)
Observational data: associations, not effects.
Secondary outcomes
| Outcome | Without SOP | After implementation | P value |
|---|---|---|---|
| First-pass success rateAfter implementation vs Without SOP | 87.3% | 96.5% | P < 0.001 |
- First-pass success rate: SOP group as printed: 'Implementation of an SOP improved first-pass success rate'
Original publication
A standard operating procedure for prehospital anaesthesia and its effect on mortality—An observational study. Acta Anaesthesiol Scand. Published 26 May 2024. doi:10.
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