Respiratory failure & ventilation

Effects of Oxygenation Targets on Mortality in Critically Ill Patients in Intensive Care Units: A Systematic Review and Meta-Analysis

Anesth AnalgPublished Systematic review and meta-analysis of randomised trials

Pooled result · Moderate certaintyResult — go to the resultRelative risk 1.00 95% CI 0.93–1.09

Authors' conclusion

Critically ill ICU patients ≥18 years of age managed with lower and higher oxygenation targets did not differ in terms of mortality, RRT need, mechanical ventilation-free days through day 28, or ICU length of stay.

Study context

Population
Critically ill intensive care unit (ICU) patients ≥18 years undergoing mechanical ventilation, nasal cannula, oxygen mask or high-flow oxygen therapy
Participants
7,416 patients · 12 randomized controlled trials (RCTs)
Comparison
Lower vs higher oxygenation targets
Outcome
Mortality
Methodological detailsrandom-effects model, Grading of Recommendations Assessment, Development and Evaluation (GRADE) certainty assessment
  • Random-effects model
  • GRADE certainty assessment

Pooled result

Moderate certainty

Relative risk

1.00

95% CI 0.93–1.09

Lower vs Higher
RR 1.00 (95% CI 0.93–1.09)

As reported in the abstract

Further pooled results

OutcomeMD (95% CI)
Mechanical ventilation-free days · day 28Low certainty−0.05 (−1.23 to 1.13)
ICU LOSVery low certainty1.05 (−0.04 to 2.13)
OutcomeRR (95% CI)
RRTLow certainty0.96 (0.84–1.10)

Safety

OutcomeRR (95% CI)
Serious adverse eventsHigh certainty0.93 (0.85–1.00)

Original publication

Effects of Oxygenation Targets on Mortality in Critically Ill Patients in Intensive Care Units: A Systematic Review and Meta-Analysis. Anesth Analg. Published 4 September 2024. doi:10.1213/ane.0000000000006859

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