Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

1,438 questions · 1,463 findings · 125 reviews · Anaesthesia

No studies found 197 · 13.5%GRADE not reported 203 · 13.9%Very low 307 · 21%Low 441 · 30.1%Moderate 245 · 16.7%High 70 · 4.8%

NPPV vs oxygen therapy

Duration of ICU stay · adults (aged > 17 years) with acute respiratory failure after upper abdominal surgery

It is very uncertain whether noninvasive positive pressure ventilation (NPPV) changes ICU length of stay compared with oxygen therapy (very low certainty).

1 finding from 1 review

Regional anaesthesia vs conventional pain control

Knee Society Score compared to preoperative value · people undergoing total knee replacement
2 findings from 1 review

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Postoperative atelectasis original authors’ definitions · adult participants undergoing cardiac and major abdominal surgery

Preoperative inspiratory muscle training may leads to lower postoperative atelectasis original authors’ definitions compared with usual care, non‐exercise intervention (low certainty).

1 finding from 1 review

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Postoperative pneumonia original authors’ definitions · adult participants undergoing cardiac and major abdominal surgery

Preoperative inspiratory muscle training probably leads to lower postoperative pneumonia original authors’ definitions compared with usual care, non‐exercise intervention (moderate certainty).

1 finding from 1 review

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Mechanical ventilation > 48 hours · adult participants undergoing cardiac and major abdominal surgery

It is very uncertain whether preoperative inspiratory muscle training changes mechanical ventilation > 48 hours compared with usual care, non‐exercise intervention (very low certainty).

1 finding from 1 review