Findings

What do systematic reviews say?

3 questions · 3 findings · 3 reviews · Anaesthesia

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 3 · 100%Moderate 0 · 0%High 0 · 0%

Protocol to increase global blood flow vs control

Mortality (Hospital or 28‐day) · surgical patients

Protocol to increase global blood flow showed no clear difference in mortality (Hospital or 28‐day) compared with control (low certainty).

1 finding from 1 review

Perioperative increase in global blood flow to explicit defined goals and outcomes following surgery 2012 · Cochrane Headline outcomes only
RR 0.81 [0.65, 1]
31 studies · 5292 participants
Low

NPPV vs oxygen therapy

Hospital mortality · adults (aged > 17 years) with acute respiratory failure after upper abdominal surgery

Noninvasive positive pressure ventilation (NPPV) showed no clear difference in hospital mortality compared with oxygen therapy (low certainty).

1 finding from 1 review

Noninvasive positive pressure ventilation for acute respiratory failure following upper abdominal surgery 2015 · Cochrane Headline outcomes only
RR 0.14 [0.01, 2.71]
1 study · 209 participants
Low

Buffered vs non‐buffered crystalloid intravenous fluid

Mortality (in‐hospital death and 30‐day mortality) · adults receiving intravenous fluids whilst undergoing any form of surgery

Buffered showed no clear difference in mortality (in‐hospital death and 30‐day mortality) compared with non‐buffered crystalloid intravenous fluid (low certainty).

1 finding from 1 review

Perioperative administration of buffered versus non‐buffered crystalloid intravenous fluid to improve outcomes… 2017 · Cochrane Headline outcomes only
OR 1.85 [0.37, 9.33]
3 studies · 267 participants
Low