Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

699 questions · 719 findings · 69 reviews

No studies found 129 · 17.9%GRADE not reported 15 · 2.1%Very low 317 · 44.1%Low 170 · 23.6%Moderate 78 · 10.8%High 10 · 1.4%

Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB

All‐cause mortality short‐term · adults undergoing intra‐ and transperitoneal laparoscopic procedures

It is very uncertain whether summary of findings table ‐ Deep neuromuscular blockade (NMB) changes all‐cause mortality short‐term compared with moderate NMB (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB

Serious adverse events (SAEs) start of surgery until 8 hours after surgery · adults undergoing intra‐ and transperitoneal laparoscopic procedures

It is very uncertain whether summary of findings table ‐ Deep neuromuscular blockade (NMB) changes serious adverse events (SAEs) start of surgery until 8 hours after… compared with moderate NMB (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs moderate NMB

Short‐term serious adverse events (SAEs) · adults undergoing intra‐ and transperitoneal laparoscopic procedures

It is very uncertain whether summary of findings table ‐ Deep neuromuscular blockade (NMB) changes short‐term serious adverse events (SAEs) compared with moderate NMB (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Deep neuromuscular blockade (NMB) vs shallow NMB

Short‐term serious adverse events (SAEs) · adults undergoing intra‐ and transperitoneal laparoscopic procedures

It is very uncertain whether summary of findings table ‐ Deep neuromuscular blockade (NMB) changes short‐term serious adverse events (SAEs) compared with shallow NMB (very low certainty).

1 finding from 1 review

Nitrous oxide vs carbon dioxide

Cardiopulmonary complications · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia

It is very uncertain whether nitrous oxide changes cardiopulmonary complications compared with carbon dioxide (very low certainty).

1 finding from 1 review

Helium vs carbon dioxide

Pneumoperitoneum‐related serious adverse events · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia

It is very uncertain whether helium changes pneumoperitoneum‐related serious adverse events compared with carbon dioxide (very low certainty).

1 finding from 1 review

Helium vs carbon dioxide

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · people undergoing laparoscopic general abdominal or gynaecological pelvic surgery under general anaesthesia

Helium showed no clear difference in pain scores (first postoperative day) Visual analogue scale, lower… compared with carbon dioxide (low certainty).

1 finding from 1 review