{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T08:58:52Z","timestamp":1780563532700,"version":"3.54.1"},"reference-count":23,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Surgery"],"published-print":{"date-parts":[[2025,7]]},"abstract":"Abstract<\/jats:title>Objective<\/jats:title>To describe the Roux\u2010en\u2010Y principle for upper gastrointestinal reconstruction and to report its outcome in dogs and cats.<\/jats:p><\/jats:sec>Study design<\/jats:title>Retrospective study.<\/jats:p><\/jats:sec>Animals<\/jats:title>A total of 11 client\u2010owned pets (six dogs and five cats).<\/jats:p><\/jats:sec>Methods<\/jats:title>Medical records of dogs and cats treated with Roux\u2010en\u2010Y principles were reviewed.<\/jats:p><\/jats:sec>Results<\/jats:title>Biliary obstruction was diagnosed in six cases, and upper gastrointestinal obstruction in five cases. Biliary carcinoma was the most common histological diagnosis. All the procedures were successfully completed. One dog and one cat died of cardiac arrest one and 5\u2009days after surgery, respectively. Another cat was euthanized because of septic peritonitis 6\u2009days after surgery. One dog died 11\u2009days after surgery because of portal vein thrombosis and septic peritonitis. Another dog was euthanized because of septic peritonitis 6\u2009days after surgery. Gastrostomy tubes were used in six animals. Gastric dilatation, ileus, and vomiting required medical attention after surgery. The median survival time was 82\u2009days (range: 60\u2013196\u2009days) for the four dogs and 365\u2009days (range: 84\u2013410\u2009days) for the three cats discharged from the hospital. The median survival time of animals diagnosed with neoplastic and non\u2010neoplastic disease was 5\u2009days (range: 1\u2013196\u2009days) and 192\u2009days (range: 6\u2013410\u2009days), respectively.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>The Roux\u2010en\u2010Y principle could be considered to treat biliary and upper gastrointestinal obstructions in dogs and cats. The underlying disease greatly influenced the outcome.<\/jats:p><\/jats:sec>Clinical significance<\/jats:title>The Roux\u2010en\u2010Y principle could be used as an alternative to cholecystoduodenostomy or Billroth II.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vsu.14259","type":"journal-article","created":{"date-parts":[[2025,4,2]],"date-time":"2025-04-02T03:04:15Z","timestamp":1743563055000},"page":"962-971","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Roux\u2010en\u2010Y procedure to reconstruct the upper gastrointestinal tract in six dogs and five cats: A descriptive case series"],"prefix":"10.1111","volume":"54","author":[{"given":"Brent","family":"Fink","sequence":"first","affiliation":[{"name":"Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Science Colorado State University Fort Collins Colorado USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah","family":"Marvel","sequence":"additional","affiliation":[{"name":"Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Science Colorado State University Fort Collins Colorado USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0058-2210","authenticated-orcid":false,"given":"Eric","family":"Monnet","sequence":"additional","affiliation":[{"name":"Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Science Colorado State University Fort Collins Colorado 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