Paediatric anaesthesia & critical care

Conservative versus liberal oxygenation targets in critically ill children (Oxy-PICU): a UK multicentre, open, parallel-group, randomised clinical trial

LancetPublished Randomised controlled trial

An erratum to this article was published (Lancet, 27 Jan 2024 ↗)

Authors' conclusion

Among invasively ventilated children who were admitted as an emergency to a PICU receiving supplemental oxygen, a conservative oxygenation target resulted in a small, but significant, greater probability of a better outcome in terms of duration of organ support at 30 days or death when compared with a liberal oxygenation target.

Study context

Population
Children >38 weeks corrected gestational age and <16 years admitted as an emergency to 15 UK paediatric intensive care units (PICUs), receiving invasive ventilation and supplemental oxygen1,872 (92%) with consent analysed
Participants
2,040 children
Comparison
Conservative vs liberal oxygenation targets
  • Conservativen = 939
  • Liberaln = 933reference
Primary endpoint
Duration of organ support (rank-based; death on or before day 30 as worst outcome); effect estimate probabilistic index (>0.5 favours conservative)
Follow-up
30 days
Methodological detailspragmatic, multicentre, open-label, parallel-group, 15 UK PICUs, Sept 1, 2020, to May 15, 2022
  • Pragmatic
  • Multicentre
  • Open-label
  • Parallel-group
  • 15 UK PICUs, Sept 1, 2020, to May 15, 2022

Primary result

As reported in the abstract

Conservative vs LiberalAdjusted odds ratio (95% CI)
Conservative
0.84(0.72–0.99)
Wilcoxon rank-sum test
probabilistic index 0.53 (95% CI 0.50–0.55); P = 0.04

Safety

Prespecified adverse events

Original publication

Conservative versus liberal oxygenation targets in critically ill children (Oxy-PICU): a UK multicentre, open, parallel-group, randomised clinical trial. Lancet. Published 1 December 2023. doi:10.1016/s0140-6736(23)01968-2

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