Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

774 questions · 787 findings · 58 reviews · Anaesthesia

No studies found 123 · 15.6%GRADE not reported 179 · 22.7%Very low 192 · 24.4%Low 188 · 23.9%Moderate 72 · 9.1%High 33 · 4.2%

Larger atraumatic needles vs atraumatic needles

Paraesthesia · patients undergoing lumbar punctures with atraumatic needles (Whitacre, Atraucan, Sprotte, Cappe‐Deutsh, Pajunk, Gertie Marx, Durasafe,…

Larger atraumatic needles probably leads to lower adverse events: paraesthesia compared with smaller atraumatic needles (moderate certainty).

1 finding from 1 review

Double vs single‐injection technique

Primary anaesthesia failure (incomplete sensory block) · Adult patients undergoing hand, wrist or forearm surgery

Double leads to lower primary anaesthesia failure (incomplete sensory block) compared with single‐injection technique (high certainty).

1 finding from 1 review

Intervention not reported

Block success (supplementation or conversion to general anaesthesia · People undergoing upper and lower limb blocks

The intervention probably leads to lower block success (supplementation or conversion to general anaesthesia (moderate certainty).

1 finding from 1 review

Intervention not reported

Paraesthesia · People undergoing upper and lower limb blocks

It is very uncertain whether the intervention changes paraesthesia (very low certainty).

1 finding from 1 review

Early removal of the LMA vs late removal of the LMA after general anaesthesia

Desaturation (immediate) · patients with general anaesthesia

It is very uncertain whether early removal of the LMA changes desaturation (immediate) compared with late removal of the LMA after general anaesthesia (very low certainty).

1 finding from 1 review

Early removal of the LMA vs late removal of the LMA after general anaesthesia

Coughing (immediate) · patients with general anaesthesia

It is very uncertain whether early removal of the LMA changes coughing (immediate) compared with late removal of the LMA after general anaesthesia (very low certainty).

1 finding from 1 review

Intervention not reported

Total studies: 282 RCTs Total participants: 50,812 Number of treatments: 65 Geometry of the network** · adults undergoing any type of surgery under general anaesthesia Interventions: antiemetic drugs (monoprophylaxis and combination…
1 finding from 1 review