Respiratory failure & ventilation

Early hyperbaric oxygen therapy is associated with favorable outcome in patients with iatrogenic cerebral arterial gas embolism: systematic review and individual patient data meta-analysis of observational studies

Crit CarePublished Systematic review and individual patient data meta-analysis of observational studies

Pooled result · Difference in median time-to-HBOT (group level)Result — go to the resultDifference 2.4 h 95% CI 0.6–9.7

Authors' conclusion

Increased time-to-HBOT is associated with decreased probability of favorable outcome in iatrogenic CAGE.

Study context

Population
Patients with iatrogenic cerebral arterial gas embolism (CAGE) caused by invasive medical procedures, treated with hyperbaric oxygen therapy (HBOT)
Participants
263 patients · 10 studies
Comparison
Time-to-HBOT in patients with favorable vs unfavorable outcome
Outcome
Relationship between time-to-HBOT and favorable outcome
Methodological detailsgroup level and individual patient level meta-analysis, generalized linear mixed effects model
  • Group level and individual patient level meta-analysis
  • Generalized linear mixed effects model

Pooled result

Difference in median time-to-HBOT (group level)

Difference

2.4 h

95% CI 0.6–9.7

Favorable outcome vs Unfavorable outcome
difference 2.4 h (95% CI 0.6–9.7)

As reported in the abstract

Further pooled results

Time-to-HBOT and probability of favorable outcome (individual patient level, 8 studies, 126 patients)

Significant relationship between time-to-HBOT and probability of favorable outcome
P = 0.013
Remains significant after correcting for severity of manifestations
P = 0.041
Probability of favorable outcome, HBOT started immediately
≈65%
Probability of favorable outcome, HBOT delayed for 15 h
30%
  • Generalized linear mixed effects model

Original publication

Early hyperbaric oxygen therapy is associated with favorable outcome in patients with iatrogenic cerebral arterial gas embolism: systematic review and individual patient data meta-analysis of observational studies. Crit Care. Published 12 July 2023. doi:10.1186/s13054-023-04563-x

Composed by AI from the published abstract and checked against it. How Briefs are made →

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