Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

33 questions · 33 findings · 18 reviews

No studies found 5 · 15.2%GRADE not reported 0 · 0%Very low 27 · 81.8%Low 0 · 0%Moderate 1 · 3%High 0 · 0%

Routine abdominal drain vs No drain

Serious adverse events (number of events) · patients with laparoscopic cholecystectomy.

It is very uncertain whether routine abdominal drain changes serious adverse events (number of events) compared with 'no drain' (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

Routine abdominal drain vs No drain

Serious adverse events (proportion of patients) · patients with laparoscopic cholecystectomy.

It is very uncertain whether routine abdominal drain changes serious adverse events (proportion of patients) compared with 'no drain' (very low certainty).

1 finding from 1 review

Intervention not reported

Serious adverse events (number of serious adverse events) · patients with laparoscopic cholecystectomy.

It is very uncertain whether the intervention changes serious adverse events (number of serious adverse events) (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

Intervention not reported

Serious adverse events (proportion of patients with serious adverse events) · patients with laparoscopic cholecystectomy.

It is very uncertain whether the intervention changes serious adverse events (proportion of patients with serious adverse… (very low certainty).

1 finding from 1 review

Posterior reconstruction vs no posterior reconstruction

Serious adverse events · men (ages > 18 years) with clinically localized prostate cancer

Posterior reconstruction showed no clear difference in serious adverse events compared with no posterior reconstruction (moderate certainty).

1 finding from 1 review

Retzius‐sparing RALP vs standard RALP

Serious adverse events · men (ages > 18 years) with clinically localized prostate cancer

It is very uncertain whether retzius‐sparing RALP changes serious adverse events compared with standard RALP (very low certainty).

1 finding from 1 review