Cochrane · systematic review · CD007922

Positive end‐expiratory pressure (PEEP) during anaesthesia for prevention of mortality and postoperative pulmonary complications

Barbosa, FT, Castro, AA, de Sousa‐Rodrigues, CF · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library

Anaesthesia2 versionsAMSTAR 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
5
current version
GRADE rated
5
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 5 · 100%Low 0 · 0%Moderate 0 · 0%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

Current version only

PEEP compared with zero end‐expiratory pressure (ZEEP) during mechanical ventilation for adult participants given general anaesthesia

Population: adult participants given general anaesthesia
CD007922.PUB3 (current) · 5 questions
OutcomeEffectEvidenceStatus / GRADE
Postoperative mortality
PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation
RR 0.976 studies · 268 participantsVery low
Downgraded: imprecision
Oxygen efficiency (PaO2/FiO2) day 1 postoperative
PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation
no estimate extracted2 studies · 80 participantsVery low
Downgraded: imprecision
Oxygen efficiency (PaO2/FiO2) day 3 postoperative
PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation
no estimate extracted2 studies · 80 participantsVery low
Downgraded: imprecision
Pneumonia
PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation
RR 0.43 studies · 120 participantsVery low
Downgraded: imprecision
Postoperative atelectasis Using a scale from 0‐67
PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation
no estimate extracted2 studies · 88 participantsVery low
Downgraded: imprecision

Comparison

Population: All adult patients having general anaesthesia
CD007922.PUB2 · 4 questions
OutcomeEffectEvidenceStatus / GRADE
Postoperative Mortality
no estimate extracted2 studies · 82 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Oxygenation Day 1 postop (PaO2/FiO2)
no estimate extracted2 studies · 80 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Oxygenation Day 3 postop (PaO2/FiO2)
no estimate extracted2 studies · 80 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Postoperative Atelectasis (Using a scale from: 0‐6)
no estimate extracted2 studies · 88 participantsVery low
Downgraded: risk of bias, imprecision, indirectness