{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T21:10:17Z","timestamp":1775769017186,"version":"3.50.1"},"reference-count":52,"publisher":"American Veterinary Medical Association (AVMA)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["javma"],"published-print":{"date-parts":[[2016,8,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>CASE DESCRIPTION<\/jats:bold>\n                    A 6-year-old neutered male domestic shorthair cat was evaluated because of signs of abdominal pain and anuria of 12 hours' duration after vehicular trauma.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>CLINICAL FINDINGS<\/jats:bold>\n                    Lethargy, mydriasis, bradycardia, abdominal distension, and signs of pain on abdominal palpation were observed. Abdominal ultrasonography revealed moderate urinary bladder distension without evidence of free abdominal fluid; hematologic evaluation revealed leukocytosis with high BUN and serum creatinine concentrations.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>TREATMENT AND OUTCOME<\/jats:bold>\n                    The patient was hospitalized, medical stabilization was attempted, and an indwelling urinary catheter was placed. Urinary output was &lt; 1 mL\/kg\/h (&lt; 0.45 mL\/lb\/h), and signs of abdominal pain persisted despite treatment. The next day, ultrasonographic examination revealed fluid in the retroperitoneal space, and ureteral rupture was suspected. Exploratory laparotomy confirmed retroperitoneal fluid accumulation; a large hematoma surrounded the right kidney and perirenal structures. An abdominal drain was placed to aid patient stabilization. Three days later, IV pyelography revealed rupture of the proximal part of the right ureter. Ureteroneocystostomy was performed with elongated cystoplasty through a Boari flap and caudal transposition of the right kidney (renal descensus). On follow-up examination 18 months after treatment, the cat was free of clinical signs, and results of ultrasonography, CBC, and serum biochemical analysis were unremarkable.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>CLINICAL RELEVANCE<\/jats:bold>\n                    Results suggested that a Boari flap procedure with renal descensus could be a feasible alternative in the management of proximal ureteral rupture in cats, but research is needed in this area.\n                  <\/jats:p>","DOI":"10.2460\/javma.249.4.406","type":"journal-article","created":{"date-parts":[[2016,8,1]],"date-time":"2016-08-01T10:48:34Z","timestamp":1470048514000},"page":"406-410","source":"Crossref","is-referenced-by-count":8,"title":["Use of a Boari flap and renal descensus as treatment for proximal ureteral rupture in a cat"],"prefix":"10.2460","volume":"249","author":[{"given":"In\u00eas","family":"Gordo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lisa A.","family":"Mestrinho","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria M.","family":"Minderico","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nuno M.","family":"Leal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Annick J.","family":"Hamaide","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1272","reference":[{"key":"ref1","series-title":"Veterinary surgery: small animal","first-page":"1962","article-title":"Ureters","author":"Mathews","year":"2012"},{"key":"ref2","series-title":"Vet 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and urology","first-page":"391","article-title":"Urinary tract trauma and uroperitoneum","author":"Chew","year":"2011"},{"key":"ref7","series-title":"Small animal surgery","first-page":"705","article-title":"Surgery of the kidney and ureter","author":"MacPhail","year":"2013"},{"key":"ref8","series-title":"J Am Vet Med Assoc","doi-asserted-by":"publisher","first-page":"937","DOI":"10.2460\/javma.2005.226.937","article-title":"Management and outcome of cats with ureteral calculi: 153 cases (1984\u20132002)","volume":"226","author":"Kyles","year":"2005"},{"key":"ref9","series-title":"Vet Clin North Am Small Anim Pract","doi-asserted-by":"publisher","first-page":"869","DOI":"10.1016\/j.cvsm.2011.05.015","article-title":"Complications of upper urinary tract surgery in companion animals","volume":"41","author":"Adin","year":"2011"},{"key":"ref10","series-title":"J Vet Intern Med","doi-asserted-by":"publisher","first-page":"222","DOI":"10.1111\/j.1939-1676.2011.0679.x","article-title":"Feline 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bilateral ureteral trauma using ureteral stents and subsequent subcutaneous ureteral bypass devices in a cat","volume":"16","author":"Kulendra","year":"2014"},{"key":"ref16","series-title":"Diagnostic radiology and ultrasonography of the dog and cat","first-page":"129","author":"Kealy","year":"2011"},{"key":"ref17","series-title":"Vet Surg","doi-asserted-by":"publisher","first-page":"341","DOI":"10.1111\/j.1532-950X.2006.00155.x","article-title":"Evaluation of the effects of ischemic injury and ureteral obstruction on delayed graft function in cats after renal autotransplantation","volume":"35","author":"Mehl","year":"2006"},{"key":"ref18","series-title":"J Am Vet Med Assoc","doi-asserted-by":"publisher","first-page":"932","DOI":"10.2460\/javma.2005.226.932","article-title":"Clinical, clinicopathologic, radiographic, and ultrasonographic abnormalities in cats with ureteral calculi: 163 cases 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North Am","doi-asserted-by":"publisher","first-page":"175","DOI":"10.1016\/S0094-0143(99)80015-9","article-title":"Upper ureteral reconstructive surgery","volume":"26","author":"Borhan","year":"1999"},{"key":"ref23","series-title":"Feline soft tissue and general surgery","first-page":"401","article-title":"Kidney and ureter","author":"Aronson","year":"2014"},{"key":"ref24","series-title":"BJU Int","doi-asserted-by":"publisher","first-page":"137","DOI":"10.1111\/bju.12103","article-title":"Psoas hitch and Boari flap ureteroneocystostomy","volume":"112","author":"Stein","year":"2013"},{"key":"ref25","series-title":"J Am Vet Med Assoc","doi-asserted-by":"publisher","first-page":"949","DOI":"10.2460\/javma.229.6.949","article-title":"Clinical evaluation of dietary modification for treatment of spontaneous chronic kidney disease in cats","volume":"229","author":"Ross","year":"2006"},{"key":"ref26","series-title":"J Small Anim 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(1984\u20132002)","volume":"226","author":"Kyles","year":"2005"},{"key":"ref9","series-title":"Vet Clin North Am Small Anim Pract","doi-asserted-by":"publisher","first-page":"869","DOI":"10.1016\/j.cvsm.2011.05.015","article-title":"Complications of upper urinary tract surgery in companion animals","volume":"41","author":"Adin","year":"2011"},{"key":"ref10","series-title":"J Vet Intern Med","doi-asserted-by":"publisher","first-page":"222","DOI":"10.1111\/j.1939-1676.2011.0679.x","article-title":"Feline ureteral strictures: 10 cases (2007\u20132009)","volume":"25","author":"Zaid","year":"2011"},{"key":"ref11","series-title":"Scand J Trauma Resusc Emerg Med","doi-asserted-by":"publisher","first-page":"6","DOI":"10.1186\/1757-7241-18-6","article-title":"A review of ureteral injuries after external trauma","volume":"18","author":"Pereira","year":"2010"},{"key":"ref12","series-title":"Textbook of small animal 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Surg","doi-asserted-by":"publisher","first-page":"341","DOI":"10.1111\/j.1532-950X.2006.00155.x","article-title":"Evaluation of the effects of ischemic injury and ureteral obstruction on delayed graft function in cats after renal autotransplantation","volume":"35","author":"Mehl","year":"2006"},{"key":"ref18","series-title":"J Am Vet Med Assoc","doi-asserted-by":"publisher","first-page":"932","DOI":"10.2460\/javma.2005.226.932","article-title":"Clinical, clinicopathologic, radiographic, and ultrasonographic abnormalities in cats with ureteral calculi: 163 cases (1984\u20132002)","volume":"226","author":"Kyles","year":"2005"},{"key":"ref19","series-title":"J Vet Emerg Crit Care (San Antonio)","doi-asserted-by":"publisher","first-page":"86","DOI":"10.1111\/j.1476-4431.2011.00628.x","article-title":"Ureteral obstructions in dogs and cats: a review of traditional and new interventional diagnostic and therapeutic options","volume":"21","author":"Berent","year":"2011"},{"key":"ref20","series-title":"J Am Vet Med Assoc","doi-asserted-by":"publisher","first-page":"1173","DOI":"10.2460\/javma.238.9.1173","article-title":"Successful replacement of an obstructed ureter with an ileal graft in a cat","volume":"238","author":"Brourman","year":"2011"},{"key":"ref21","series-title":"Vet Surg","doi-asserted-by":"publisher","first-page":"147","DOI":"10.1111\/j.1532-950X.1988.tb00293.x","article-title":"Ureterocolonic anastomosis in ten dogs with transitional cell carcinoma","volume":"17","author":"Stone","year":"1988"},{"key":"ref22","series-title":"Urol Clin North Am","doi-asserted-by":"publisher","first-page":"175","DOI":"10.1016\/S0094-0143(99)80015-9","article-title":"Upper ureteral reconstructive surgery","volume":"26","author":"Borhan","year":"1999"},{"key":"ref23","series-title":"Feline soft tissue and general surgery","first-page":"401","article-title":"Kidney and ureter","author":"Aronson","year":"2014"},{"key":"ref24","series-title":"BJU Int","doi-asserted-by":"publisher","first-page":"137","DOI":"10.1111\/bju.12103","article-title":"Psoas hitch and Boari flap ureteroneocystostomy","volume":"112","author":"Stein","year":"2013"},{"key":"ref25","series-title":"J Am Vet Med Assoc","doi-asserted-by":"publisher","first-page":"949","DOI":"10.2460\/javma.229.6.949","article-title":"Clinical evaluation of dietary modification for treatment of spontaneous chronic kidney disease in cats","volume":"229","author":"Ross","year":"2006"},{"key":"ref26","series-title":"J Small Anim Pract","doi-asserted-by":"publisher","first-page":"78","DOI":"10.1111\/j.1748-5827.1998.tb03598.x","article-title":"Feline chronic renal failure: clinical findings in 80 cases diagnosed between 1992\u20131995","volume":"39","author":"Elliot","year":"1998"}],"container-title":["Journal of the American Veterinary Medical 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