What do systematic reviews say?

Epidural local anaesthetic vs opioid‐based regimen

Epidural local anaesthetic showed no clear difference in anastomotic leak compared with opioid‐based regimen (low certainty).

• Epidural local anaesthetics versus opioid‐based analgesic regimens for postoperative gastrointestinal paralysis,… 2016 · Cochrane Headline outcomes only
  RR 0.74 [0.41, 1.32]
  17 studies · 848 participants
  Low