Findings

What do systematic reviews say?

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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%

Ultrasound guidance vs no ultrasound

Minor complications (3 to 6 weeks · children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic) for which a neuraxial (spinal, epidural,…

Ultrasound guidance showed no clear difference in minor complications compared with no ultrasound guidance (low certainty).

1 finding from 1 review

Ultrasound guidance vs no ultrasound

Major complications · children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic) for which a neuraxial (spinal, epidural,…

Ultrasound guidance showed no clear difference in major complications compared with no ultrasound guidance (moderate certainty).

1 finding from 1 review

NSAIDs vs control or placebo medications

Adverse event nausea and vomiting (0 to 24 hours) · adults undergoing brain surgery

Nonsteroidal anti‐inflammatory drugs (NSAIDs) showed no clear difference in adverse event nausea and vomiting (0 to 24 hours) compared with control or placebo medications (low certainty).

1 finding from 1 review

Dexmedetomidine vs control or placebo medications

Adverse event nausea and vomiting (0 to 24 hours) · adults undergoing brain surgery

Dexmedetomidine showed no clear difference in adverse event nausea and vomiting (0 to 24 hours) compared with control or placebo medications (low certainty).

1 finding from 1 review