What do systematic reviews say?

Subdiaphragmatic intraperitoneal local anaesthetic vs control

Subdiaphragmatic intraperitoneal local anaesthetic showed no clear difference in incidence of STP at 24 hours post‐operatively compared with control (moderate certainty).

• Interventions to reduce shoulder pain following gynaecological laparoscopic procedures 2019 · Cochrane Headline outcomes only
  OR 0.72 [0.42, 1.23]
  4 studies · 336 participants
  Moderate

Subdiaphragmatic intraperitoneal local anaesthetic vs control

• Interventions to reduce shoulder pain following gynaecological laparoscopic procedures 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 50 participants
  Low

Subdiaphragmatic intraperitoneal local anaesthetic vs control

• Interventions to reduce shoulder pain following gynaecological laparoscopic procedures 2019 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 165 participants
  GRADE not reported

Subdiaphragmatic intraperitoneal local anaesthetic vs control

• Interventions to reduce shoulder pain following gynaecological laparoscopic procedures 2019 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 129 participants
  Low

Intervention not reported

It is very uncertain whether the intervention changes subdiaphragmatic instillation versus gallbladder bed instillation (very low certainty).

• Methods of intraperitoneal local anaesthetic instillation for laparoscopic cholecystectomy 2014 · Cochrane Headline outcomes only
  RR 1.56 [0.76, 3.19]
  1 study · 82 participants
  Very low