Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,256 questions · 2,339 findings · 262 reviews

No studies found 555 · 23.7%GRADE not reported 398 · 17%Very low 572 · 24.5%Low 476 · 20.4%Moderate 240 · 10.3%High 98 · 4.2%

Intervention not reported

Achievement of at least 50% reduction in headache severity Post‐treatment Higher scores indicate more children with reduced headache · children or adolescents with headaches

It is very uncertain whether the intervention changes achievement of at least 50% reduction in headache severity… (very low certainty).

1 finding from 1 review

Ultrasound guidance vs no ultrasound

Failed blocks · 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 failed blocks compared with no ultrasound guidance (moderate certainty).

1 finding from 1 review

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

Intraperitoneal lidocaine instillation vs IM morphine

Number of women requiring rescue medication · women undergoing PPTL under local anaesthesia

Intraperitoneal lidocaine instillation may leads to lower number of women requiring rescue medication compared with intramuscular morphine (low certainty).

1 finding from 1 review