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%

Larger atraumatic needles vs atraumatic needles

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

Larger atraumatic needles probably leads to lower any headache compared with smaller atraumatic needles (moderate certainty).

1 finding from 1 review

Larger traumatic needles vs smaller traumatic needles

Onset of PDPH · patients undergoing lumbar punctures with traumatic needles (Quincke, Greene, Hingson Ferguson, Lutz, Brace, Rovenstine, Lemmon)

Larger traumatic needles may leads to lower onset of PDPH compared with smaller traumatic needles (low certainty).

1 finding from 1 review

Larger traumatic needles vs smaller traumatic needles

Adverse events: backache · patients undergoing lumbar punctures with traumatic needles (Quincke, Greene, Hingson Ferguson, Lutz, Brace, Rovenstine, Lemmon)

Larger traumatic needles probably leads to lower adverse event: backache compared with smaller traumatic needles (moderate certainty).

1 finding from 1 review

Larger traumatic needles vs smaller traumatic needles

Severe PDPH · patients undergoing lumbar punctures with traumatic needles (Quincke, Greene, Hingson Ferguson, Lutz, Brace, Rovenstine, Lemmon)

Larger traumatic needles showed no clear difference in severe PDPH compared with smaller traumatic needles (low certainty).

1 finding from 1 review

Inhalational anaesthesia vs intravenous anaesthesia

Nausea · adults undergoing transabdominal robotic assisted laparoscopic surgery

Inhalational anaesthesia may leads to lower presence of nausea compared with intravenous anaesthesia (low certainty).

3 findings from 1 review

Inhalational anaesthesia vs intravenous anaesthesia

Nausea and vomiting · adults undergoing transabdominal robotic assisted laparoscopic surgery

It is very uncertain whether inhalational anaesthesia changes nausea‐vomiting rate at 1 hour compared with intravenous anaesthesia (very low certainty).

2 findings from 1 review

Intervention not reported

Number of attempts at intubation and unsuccessful intubations assessed as intubation at first attempt · tracheal intubation in children (excluding neonates)

The intervention showed no clear difference in number of attempts at intubation and unsuccessful intubations… (low certainty).

1 finding from 1 review

Intervention not reported

Number of attempts at intubation and unsuccessful intubations assessed as unsuccessful or required more than 2 attempts at intubation · tracheal intubation in children (excluding neonates)

The intervention may leads to higher number of attempts at intubation and unsuccessful intubations… (low certainty).

1 finding from 1 review