Pre‐oxygenation using high‐flow nasal oxygen versus tight facemask in trauma patients undergoing emergency anaesthesia
Main findingResult — go to the resultOdds ratio 0.81 95% CI 0.20–3.28Authors' conclusion
In this prospective study investigating trauma patients undergoing emergency anaesthesia, we could not see any difference in the number of patients desaturating when pre-oxygenation was performed with high-flow nasal oxygen compared to a tight-fitting facemask.
Study context
- Population
- Adult (≥18 years) patients with major traumatic injuries needing emergency anaesthesia, Karolinska University Hospital, Swedenanalysed
- Participants
- 96 participants
- Exposure
- HFNO vs tight-fitting facemask for pre-oxygenation
- HFNOn = 30
- Facemaskn = 66reference
- Outcome
- Proportion of patients desaturating <93% during induction of anaesthesia
- Follow-up
- From start of pre-oxygenation until one minute after intubation
Methodological detailsexploratory, single-centre
- Exploratory
- Single-centre
Main finding
As reported in the abstract
Odds ratio
0.81
95% CI 0.20–3.28
P = 0.76
Events by group
HFNO vs Facemask
OR 0.81 (95% CI 0.20–3.28); P = 0.76
Observational data: associations, not effects.
Secondary outcomes
Perceived difficulty of pre-oxygenation among anaesthetists (scale 1–10)
- Pre-oxygenation with HFNO assessed as easier than facemask
Safety
| Outcome | Facemask | HFNOevents | P value |
|---|---|---|---|
| Regurgitation | 0 events | 0 | |
| Intracranial gas (patients with facial or skull fractures anaesthetised before radiology) | 40% | 0 | P = 0.23 |
Original publication
Pre‐oxygenation using high‐flow nasal oxygen versus tight facemask in trauma patients undergoing emergency anaesthesia. Acta Anaesthesiol Scand. Published 21 December 2023. doi:10.
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