Pediatric anesthesia & critical care
Oxygen reserve index versus conventional peripheral oxygen saturation for prevention of hypoxaemia: A randomised controlled trial
Authors' conclusion
Additional monitoring of the oxygen reserve index, with a target value of greater than 0.2 during paediatric airway surgery, alongside peripheral oxygen saturation, did not reduce the incidence of SpO2 ≤ 90%.
Study context
- Population
- Paediatric patients aged 18 years or less scheduled for laryngeal microsurgery, tertiary care paediatric hospital88 analysed
- Participants
- 44 vs 44
- Comparison
- Oxygen reserve index monitoring vs control
- Oxygen reserve indexn = 44
- Controln = 44reference
- Primary endpoint
- Incidence of SpO2 90% or less during surgery
Methodological detailsstratified by tracheostomy tube, single-centre
- Stratified by tracheostomy tube
- Single-centre
Primary result
As reported in the abstract
Relative risk
1.27
95% CI 0.94–1.72
P = 0.114
Events by treatment group
Oxygen reserve index vs Control
RR 1.27 (95% CI 0.94–1.72); P = 0.114
Further findings
| Outcome | Oxygen reserve index | Control | Difference (95% CI) | P value | |
|---|---|---|---|---|---|
| SpO2 ≤ 90% events among 128 rescue interventions18 of 75 vs 42 of 53 events | 24% | 79.2% | 55.2% (38.5–67.2%) | P < 0.001 | |
| −50050100Difference (linear scale) |
Median
| Outcome | Oxygen reserve index | Control | P value |
|---|---|---|---|
| Number of SpO2 ≤ 90% events per patientLess in oxygen reserve index group | 0 (maximum 3) | 0 (maximum 8) | P = 0.031 |
Original publication
Oxygen reserve index versus conventional peripheral oxygen saturation for prevention of hypoxaemia: A randomised controlled trial. Eur J Anaesthesiol. Published 27 May 2024. doi:10.
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