Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

5 questions · 5 findings · 1 reviews · Anaesthesia

No studies found 1 · 20%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 40%Moderate 2 · 40%High 0 · 0%

Larger traumatic needles vs smaller traumatic needles

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

Larger traumatic needles probably leads to lower any headache compared with smaller traumatic 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