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Choledochal tube stenting for decompression of the extrahepatic portion of the biliary tract in dogs: 13 cases (2002–2005)

Philipp D. Mayhew BVM&S, DACVS1, Robert W. Richardson VMD2, Stephen J. Mehler DVM3, David E. Holt BVSc, DACVS4, and Chick W. Weisse VMD, DACVS5
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  • 1 Department of Clinical Studies, Matthew J. Ryan Veterinary Hospital, College of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010.
  • | 2 Department of Clinical Studies, Matthew J. Ryan Veterinary Hospital, College of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010.
  • | 3 Department of Clinical Studies, Matthew J. Ryan Veterinary Hospital, College of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010.
  • | 4 Department of Clinical Studies, Matthew J. Ryan Veterinary Hospital, College of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010.
  • | 5 Department of Clinical Studies, Matthew J. Ryan Veterinary Hospital, College of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010.

Abstract

Objective—To determine clinicopathologic features, surgical management, complications, and long-term outcome associated with diseases of the extrahepatic portion of the biliary tract treated via choledochal stent placement in dogs.

Design—Retrospective case series.

Animals—13 dogs.

Procedure—Data were obtained from medical records, and follow-up information was obtained via reexamination or telephone interview with owners or referring veterinarians.

Results—10 dogs had extrahepatic biliary obstruction (EHBO), 6 as a result of pancreatitis. Two dogs had rupture of the common bile duct associated with cholelithiasis. In 1 dog, a stent was placed prophylactically after gastroduodenostomy was performed for a perforated duodenal ulcer. Nine of 13 dogs survived the perioperative period and were discharged. No recurrence of EHBO or other complications developed in the discharged dogs while the stents were in place. Median follow-up period from surgery to last owner contact was 13.3 months. In 1 dog, the stent was removed endoscopically 10 months after surgery and EHBO recurred 9 months after stent removal because of cholangitis. In 4 of 5 dogs that were discharged from the hospital, in which the fate of the stent could be confirmed and the stent was secured to the duodenal wall with absorbable suture materials, the stents were passed in the feces 1 to 11 months after surgery.

Conclusions and Clinical Relevance—Choledochal tube stenting is an effective method of decompression of the extrahepatic portion of the biliary tract in dogs and provides a less complex alternative to traditional cholecystoenterostomy techniques in select cases.

Contributor Notes

Supported by the Commonwealth of Pennsylvania.

Presented in abstract form at the American College of Veterinary Surgeons Symposium, Denver, October 2004.

Address correspondence to Dr. Mayhew.