Findings

What do systematic reviews say?

3 questions · 3 findings · 3 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 66.7%Low 0 · 0%Moderate 1 · 33.3%High 0 · 0%

Pressure support vs T‐tube

Pneumonia · patients on weaning from mechanical ventilation in adults.

It is very uncertain whether pressure support changes pneumonia compared with T‐tube (very low certainty).

1 finding from 1 review

Pressure support versus T‐tube for weaning from mechanical ventilation in adults 2014 · Cochrane Headline outcomes only
RR 0.67 [0.08, 5.85]
2 studies · 118 participants
Very low

Low tidal volume vs high tidal volume

Pneumonia · adults (aged > 16 years) without acute lung injury needing mechanical positive pressure ventilation during their surgery and undergoing…

Low tidal volume probably leads to lower pneumonia compared with high tidal volume (moderate certainty).

1 finding from 1 review

Intraoperative use of low volume ventilation to decrease postoperative mortality, mechanical ventilation, lengths of… 2018 · Cochrane Headline outcomes only
RR 0.45 [0.25, 0.82]
7 studies · 778 participants
Moderate

PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation

Pneumonia · adult participants given general anaesthesia

It is very uncertain whether PEEP changes pneumonia compared with zero end‐expiratory pressure (ZEEP) during mechanical ventilation (very low certainty).

1 finding from 1 review

Positive end‐expiratory pressure (PEEP) during anaesthesia for prevention of mortality and postoperative pulmonary… 2014 · Cochrane Headline outcomes only
RR 0.4
3 studies · 120 participants
Very low