Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,355 questions · 2,459 findings · 279 reviews

No studies found 556 · 22.6%GRADE not reported 490 · 19.9%Very low 593 · 24.1%Low 479 · 19.5%Moderate 243 · 9.9%High 98 · 4%

Volume‐cycled ventilation vs pressure‐cycled ventilation

No improvement of hypoventilation symptoms: long‐term ‐ not measured · patients with neuromuscular and chest wall disorders and chronic hypoventilation

The review found no eligible studies for this question.

1 finding from 1 review

Volume‐cycled ventilation vs pressure‐cycled ventilation

No improvement of daytime hypercapnia: long‐term ‐ not measured · patients with neuromuscular and chest wall disorders and chronic hypoventilation

The review found no eligible studies for this question.

1 finding from 1 review

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

Postoperative mortality · adult participants given general anaesthesia

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

1 finding from 1 review

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