What do systematic reviews say?

Routine abdominal drain vs No drain

• Routine abdominal drainage versus no abdominal drainage for uncomplicated laparoscopic cholecystectomy 2013 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 419 participants
  Very low

Early vs delayed laparoscopic cholecystectomy

• Early versus delayed laparoscopic cholecystectomy for acute gallstone pancreatitis 2013 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 49 participants
  Low

Endoscopic stapler vs ligature

• Closure methods of the appendix stump for complications during laparoscopic appendectomy 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 327 participants
  Very low

Clips vs ligature

• Closure methods of the appendix stump for complications during laparoscopic appendectomy 2017 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 553 participants
  Very low

Endoscopic stapler vs clip

• Closure methods of the appendix stump for complications during laparoscopic appendectomy 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 60 participants
  Very low

Mechanical devices vs ligature

• Closure methods of the appendix stump for complications during laparoscopic appendectomy 2017 · Cochrane Headline outcomes only
  no estimate extracted
  8 studies · 850 participants
  Very low

Intervention not reported

• Heated insufflation with or without humidification for laparoscopic abdominal surgery 2016 · Cochrane Headline outcomes only
  no estimate extracted
  10 studies · 685 participants
  Moderate

Early vs delayed laparoscopic cholecystectomy

• Early versus delayed laparoscopic cholecystectomy for uncomplicated biliary colic 2013 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 63 participants
  Very low

Intervention not reported

The intervention showed no clear difference in length of hospital stay (low certainty).

• Laparoscopic‐endoscopic rendezvous versus preoperative endoscopic sphincterotomy in people undergoing laparoscopic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 515 participants
  Low

Intervention not reported

• Wound infiltration with local anaesthetic agents for laparoscopic cholecystectomy 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 137 participants
  Very low

Infiltration injection local anaesthetic vs no local anaesthetic wound infiltration

• Wound infiltration with local anaesthetic agents for laparoscopic cholecystectomy 2014 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 327 participants
  Very low

Various interventions vs control

• Pharmacological interventions for prevention or treatment of postoperative pain in people undergoing laparoscopic… 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 119 participants
  Very low

Intervention not reported

• Heated insufflation with or without humidification for laparoscopic abdominal surgery 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 122 participants
  Moderate

Intervention not reported

• Heated insufflation with or without humidification for laparoscopic abdominal surgery 2016 · Cochrane Headline outcomes only
  no estimate extracted
  9 studies · 563 participants
  Moderate

Robot‐assisted surgery vs conventional laparoscopic surgery

• Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 108 participants
  Very low

Robot‐assisted surgery vs conventional laparoscopic surgery

• Robot‐assisted surgery in gynaecology 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 192 participants
  Very low

Low tidal volume vs high tidal volume

• Intraoperative use of low volume ventilation to decrease postoperative mortality, mechanical ventilation, lengths of… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  14 studies · 1298 participants
  Low

Early vs delayed laparoscopic appendicectomy

It is very uncertain whether early changes total length of hospital stay (days) compared with delayed laparoscopic appendicectomy (very low certainty).

• Early versus delayed appendicectomy for appendiceal phlegmon or abscess 2024 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 40 participants
  Very low

Early vs delayed open or laparoscopic appendicectomy

It is very uncertain whether early changes total length of hospital stay (days) compared with delayed open or laparoscopic appendicectomy (very low certainty).

• Early versus delayed appendicectomy for appendiceal phlegmon or abscess 2024 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 680 participants
  Very low