Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,773 questions · 1,817 findings · 212 reviews · Headline outcomes only

No studies found 383 · 21.1%GRADE not reported 192 · 10.6%Very low 472 · 26%Low 444 · 24.4%Moderate 228 · 12.5%High 98 · 5.4%

Analysis 7 ‐ Collagen membrane with polyethylene glycol and glycerol vs Ringer's lactate

Incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy · patients with adhesion prevention after gynaecological surgery

Analysis 7 ‐ Collagen membrane with polyethylene glycol and glycerol may leads to lower incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy compared with ringer's lactate (low certainty).

1 finding from 1 review

Summary of findings TIVA vs inhalational maintenance of anaesthesia

Postoperative cognitive dysfunction (9 studies used MMSE, and 2 of these studies used additional diagnostic tools; 1 study used Trail Making Test and additional diagnostic tools; 3 studies did not report diagnostic tools) Time points were up to 30...

Summary of findings TIVA may leads to lower postoperative cognitive dysfunction (9 studies used MMSE, and 2 of… compared with inhalational maintenance of anaesthesia (low certainty).

1 finding from 1 review

Infraclavicular block vs all other brachial plexus blocks

Adequate surgical anaesthesia ‐ At 30 minutes post‐block assessment interval · patients with regional anaesthesia of the lower arm

infraclavicular block showed no clear difference in adequate surgical anaesthesia ‐ At 30 minutes post‐block assessment… compared with all other brachial plexus blocks (high certainty).

1 finding from 1 review

Infraclavicular block vs all other brachial plexus blocks

Supplementation required for surgical anaesthesia · patients with regional anaesthesia of the lower arm

infraclavicular block showed no clear difference in supplementation required to achieve adequate surgical anaesthesia compared with all other brachial plexus blocks (high certainty).

1 finding from 1 review