Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

298 questions · 298 findings · 46 reviews · Headline outcomes only

No studies found 69 · 23.2%GRADE not reported 21 · 7%Very low 75 · 25.2%Low 66 · 22.1%Moderate 57 · 19.1%High 10 · 3.4%

Paravertebral anaesthesia with or without sedation vs general anaesthesia

Number of patients with postoperative nausea and vomiting (postoperative care unit) · breast cancer surgery

Paravertebral anaesthesia with or without sedation probably leads to lower postoperative nausea and vomiting (PONV) compared with general anaesthesia (moderate certainty).

1 finding from 1 review

Conscious sedation and analgesia (CSA) vs general analgesia

Patient response: satisfaction with treatment (satisfactory vs unsatisfactory) · women undergoing oocyte retrieval for assisted reproduction

It is very uncertain whether conscious sedation and analgesia changes patient satisfaction (report of 'satisfactory') compared with general analgesia (very low certainty).

1 finding from 1 review

Conscious sedation and analgesia (CSA) vs general analgesia

Side effects (postoperative vomiting and/or vomiting) · women undergoing oocyte retrieval for assisted reproduction

It is very uncertain whether conscious sedation and analgesia changes side effects (postoperative vomiting and/or vomiting) compared with general analgesia (very low certainty).

1 finding from 1 review

Conscious sedation and analgesia (CSA) vs CSA + electro‐acupuncture

Side effects (postoperative vomiting and/or vomiting) · women undergoing oocyte retrieval for assisted reproduction

It is very uncertain whether conscious sedation and analgesia (CSA) changes side effects (postoperative vomiting and/or vomiting) compared with CSA + electro‐acupuncture (very low certainty).

1 finding from 1 review

Conscious sedation and analgesia (CSA) vs CSA+acupuncture

Side effects (postoperative vomiting and/or vomiting) · women undergoing oocyte retrieval for assisted reproduction

It is very uncertain whether conscious sedation and analgesia (CSA) changes side effects (postoperative vomiting and/or vomiting) compared with CSA+acupuncture (very low certainty).

1 finding from 1 review