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Hepaticojejunostomy

From Surgopaedia

Indications

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  • Part of the biliary tree has been excised
  • Part of the tree has been damaged
  • Definitive drainage procedure is required

Principles

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  • 40cm alimentary limb
  • Retrocolic biliary limb

Technique

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  • Right subcostal incision
  • Explore
    • Check for accessory RHA arising from SMA in the lateral border of hepatoduodenal ligament
  • Cholecystectomy
    • Dissect Calot's, ligate and divide cystic artery and duct
    • Expose junction of CBD and cystic duct
  • Dissect CBD
    • Incise peritoneum in lateral hepatoduodenal ligament
    • Dissect along CBD back to planned division point (usually hepatic duct confluence)
    • Encircle the duct with nylon tape and divide onto the tape to protect PV/IVC behind
    • Evaluate proximal ducts - either IOC or choledochoscopy
    • Deal with distal duct - dissect and resect
  • Bring up jejunum
    • Divide jejunum
    • Retrocolic - to right of MCA
  • Hepaticojejunostomy - Blumgart technique
    • Start with 4/0 or 5/0 monofilament sutures in the anterior wall of CBD - 3-5mm apart, 3mm bites of CBD, clipped with needles on
    • Enterotomy in anti-mesenteric border of the distal end of the Roux loop - just smaller than CBD
    • Posterior wall - knots inside, place all sutures before tying - tie
    • Complete anterior sutures on bowel side, and tie
  • Jejunojejunostomy - end-to-side, two layer, continuous in this description
    • Stay suture between anti-mesenteric edge of biliary limb (1cm proximal to staple line) and anti-mesenteric edge of alimentary limb
    • Outer back wall suture parallel to staple line on biliary limb - leave needle on
    • Excise staple line and make corresponding enterotomy on alimentary limb
    • Inner back wall - knot on outside - full thickness bites on each side
    • Continue round to inner front wall then tie
    • Complete outer front wall
  • Drain the bilio-enteric anastomosis

Difficulties

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  • Small CBD - spatulate