Cochrane · systematic review · CD013558

Oxygenation during the apnoeic phase preceding intubation in adults in prehospital, emergency department, intensive care and operating theatre environments

White, LD, Vlok, RA, Thang, CYC, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library

Emergency and Critical CareAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
8
current version
GRADE rated
6
No studies
1
Included studies
NR
No studies 1 · 12.5%Ungraded 1 · 12.5%Very low 0 · 0%Low 5 · 62.5%Moderate 1 · 12.5%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Oxygenation versus no oxygenation during the apnoeic period preceding intubation

Population: people requiring tracheal intubation
8 questions
OutcomeEffectEvidenceStatus / GRADE
Hospital stay
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
no estimate extractedNRNo studies
Incidence of severe hypoxaemia (SpO2 < 80%)
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
RR 0.86 [0.66, 1.11]15 studies · 1802 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Incidence of hypoxaemia (SpO2 < 93%)
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
RR 0.58 [0.23, 1.46]3 studies · 489 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Lowest recorded SpO2 (%)
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
no estimate extracted15 studies · 1525 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
ICU stay (days)
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
no estimate extracted5 studies · 815 participantsLow
Downgraded: risk of bias, imprecision
First pass success rate
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
RR 1 [0.93, 1.08]8 studies · 826 participantsModerate
Downgraded: risk of bias
Adverse eventse
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
no estimate extracted10 studies · 997 participantsUngraded
Mortality
Oxygenation vs no oxygenation during the apnoeic period preceding intubation
RR 0.84 [0.7, 1]6 studies · 1015 participantsLow
Downgraded: risk of bias, imprecision, indirectness