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What do systematic reviews say?

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Evidence found and GRADE certainty

170 questions · 173 findings · 15 reviews · Gynaecology and Fertility

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No studies found 50 · 28.9%GRADE not reported 9 · 5.2%Very low 53 · 30.6%Low 46 · 26.6%Moderate 15 · 8.7%High 0 · 0%

Radially expanding (STEP) trocars for primary port entry vs standard (non‐expanding) trocars

Vascular injury (major vessels and abdominal wall vessels) · patients undergoing laparoscopy

It is very uncertain whether radially expanding (STEP) trocars for primary port entry changes vascular injury (major vessels and abdominal wall vessels) compared with standard (non‐expanding) trocars (very low certainty).

1 finding from 1 review

Radially expanding (STEP) trocars for primary port entry vs standard (non‐expanding) trocars

Visceral injury (bladder or bowel) · patients undergoing laparoscopy

It is very uncertain whether radially expanding (STEP) trocars for primary port entry changes visceral injury (bladder or bowel) compared with standard (non‐expanding) trocars (very low certainty).

1 finding from 1 review

Open‐entry vs closed entry technique

Visceral injury (bladder or bowel) · patients undergoing laparoscopy

It is very uncertain whether open‐entry changes visceral injury (bladder or bowel) compared with closed‐entry technique (very low certainty).

1 finding from 1 review

Open‐entry vs closed entry technique

Failed entry · patients undergoing laparoscopy

It is very uncertain whether open‐entry changes failed entry compared with closed‐entry technique (very low certainty).

1 finding from 1 review