Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,345 questions · 4,525 findings · 483 reviews

No studies found 1,024 · 22.6%GRADE not reported 388 · 8.6%Very low 1,172 · 25.9%Low 1,227 · 27.1%Moderate 576 · 12.7%High 138 · 3%

Peri‐cervical tourniquet vs no treatment to reduce blood loss during myomectomy

Operating time · women with uterine fibroids

It is very uncertain whether peri‐cervical tourniquet changes duration of surgery (min) Operative time compared with no treatment to reduce blood loss during myomectomy (very low certainty).

1 finding from 1 review

Epinephrine vs epinephrine and any second endoscopic method

Surgery rate Number requiring emergency surgery · patients with high‐risk bleeding ulcers

Epinephrine probably leads to lower surgery rate Number requiring emergency surgery compared with epinephrine and any second endoscopic method (moderate certainty).

1 finding from 1 review

Tranexamic acid vs placebo

Surgery Number of participants who underwent surgery · patients with upper gastrointestinal bleeding

Tranexamic acid probably leads to lower surgery Number of participants who underwent surgery compared with placebo (moderate certainty).

1 finding from 1 review

Infiltration injection local anaesthetic vs no local anaesthetic wound infiltration

Proportion discharged as day surgery · patients with people undergoing laparoscopic cholecystectomy.

It is very uncertain whether local anaesthetic wound infiltration changes proportion discharged as day surgery compared with no local anaesthetic wound infiltration (very low certainty).

1 finding from 1 review

Intervention not reported

Just after creation of pneumoperitoneum versus end of surgery · people undergoing laparoscopic cholecystectomy

It is very uncertain whether the intervention changes just after creation of pneumoperitoneum versus end of surgery (very low certainty).

1 finding from 1 review

Intervention not reported

Reduction in number and/or frequency of surgical interventions and/or time until first relapse requiring surgery · 23 patients aged two years or older with recurrent respiratory papillomatosis

The review found no eligible studies for this question.

1 finding from 1 review