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Evidence found and GRADE certainty

4,815 questions · 6,211 findings · 638 reviews · Headline outcomes only

No studies found 1,052 · 16.9%GRADE not reported 441 · 7.1%Very low 1,700 · 27.4%Low 1,651 · 26.6%Moderate 1,070 · 17.2%High 297 · 4.8%

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Remifentanil (PCA) vs another opioid (PCA)

Additional analgesia required (escape analgesia) · women in labour with planned vaginal delivery

Remifentanil (PCA) showed no clear difference in additional analgesia required (escape analgesia) compared with another opioid (PCA) (low certainty).

1 finding from 1 review