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What do systematic reviews say?

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Evidence found and GRADE certainty

2,510 questions · 2,653 findings · 194 reviews · Gynaecology and Fertility

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No studies found 531 · 20%GRADE not reported 76 · 2.9%Very low 826 · 31.1%Low 855 · 32.2%Moderate 341 · 12.9%High 24 · 0.9%

Direct trocar entry vs Veress needle entry

Failed entry · patients undergoing laparoscopic surgery

Direct trocar entry probably leads to lower failed entry compared with veress needle entry (moderate certainty).

1 finding from 1 review

Direct vision entry vs Veress needle entry

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

It is very uncertain whether direct vision entry changes vascular injury (major vessels and abdominal wall vessels) compared with veress needle entry (very low certainty).

1 finding from 1 review

Direct vision entry vs Veress needle entry

Visceral injury (bladder or bowel) · patients undergoing laparoscopy

It is very uncertain whether direct vision entry changes visceral injury (bladder or bowel) compared with veress needle entry (very low certainty).

1 finding from 1 review

Open‐entry vs closed entry technique

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

It is very uncertain whether open‐entry changes vascular injury (major vessels and abdominal wall vessels) compared with closed‐entry technique (very low certainty).

1 finding from 1 review

Direct vision entry vs open‐entry technique

Visceral injury (bladder or bowel) · patients undergoing laparoscopy

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

1 finding from 1 review

Direct vision entry vs open‐entry technique

Solid organ injury · patients undergoing laparoscopy

It is very uncertain whether direct vision entry changes solid organ injury compared with open‐entry technique (very low certainty).

1 finding from 1 review

Direct vision entry vs open‐entry technique

Failed entry · patients undergoing laparoscopy

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

1 finding from 1 review

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