Peer-reviewed veterinary case report
Balloon stents to treat bile duct blockages in dogs and cats
By Bergen, Julia L et al.Ā·Published in Veterinary surgery : VSĀ·2024Ā·Department of Small Animal Surgery, United StatesĀ·View original on PubMed ā
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Original publication title: Clinical use of uncovered balloon-expandable metallic biliary stents for treatment of extrahepatic biliary tract obstructions in cats and dogs: 11 cases (2012-2022).
- Species:
- dog
Plain-English summary
A group of eight dogs and three cats with bile duct blockages were treated using special metal stents to help relieve their symptoms. Most pets showed improvement in their health and lab results after the procedure, but unfortunately, two dogs passed away shortly after surgery due to complications. For those that survived, the stents successfully kept the bile ducts open for an extended period, with some pets remaining healthy for over a year. This treatment option proved effective for managing bile duct obstructions in these animals.
People also search for: dog bile duct blockage treatment Ā· cat bile duct stent Ā· symptoms of bile duct obstruction in pets
Abstract
OBJECTIVE: To describe the application of uncovered balloon-expandable metallic biliary stents for treatment of extrahepatic biliary obstructions (EHBOs) and the outcomes for dogs and cats treated for EHBO with this technique. STUDY DESIGN: Retrospective single institutional study. ANIMALS: Eight dogs and three cats treated at the Veterinary Specialty Hospital of San Diego for EHBO between January 2012 and February 2022. METHODS: Data collected from the medical records included signalment, presenting complaint, laboratory and imaging findings, surgical findings, hospitalization time, complications, and follow-up information. RESULTS: Median duration of short-term follow up was 16 days (6-45 days). Improved biochemical abnormalities and resolution of clinical signs were recorded in 10/11 cases. Two dogs died within 2 weeks of surgery. One dog developed systemic inflammatory response syndrome 5 days postoperatively and was euthanized; the cause of death in the second case was unknown. Long-term follow up was available in seven cases, with a median duration of 307.5 days (62-2268 days). Bile-duct patency was maintained for at least 356-622 days (median: 446 days) in three cats and 62-2268 days (median: 650.5 days) in four dogs with long-term follow up available. One cat had recurrent obstruction with choledocholiths 446 days postoperatively. One stent was removed 614 days postoperatively due to recurrent cholangiohepatitis. CONCLUSION: Uncovered balloon-expandable metallic biliary stents were placed successfully and relieved EHBO in all cases that survived to discharge. CLINICAL SIGNIFICANCE: Use of uncovered balloon-expandable metallic biliary stents should be considered as an alternative to temporary choledochal luminal stenting or cholecystoenterostomy to manage EHBO.
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Search related cases āOriginal publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37792320/