{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T06:25:03Z","timestamp":1768458303741,"version":"3.49.0"},"reference-count":19,"publisher":"American Veterinary Medical Association (AVMA)","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["javma"],"published-print":{"date-parts":[[2023,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n<jats:sec>\n<jats:title>OBJECTIVE<\/jats:title>\n<jats:p>To report the presence of urolithiasis in dogs long-term after gradual attenuation of congenital extrahepatic portosystemic shunts (cEHPSS).<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>ANIMALS<\/jats:title>\n<jats:p>25 client-owned dogs that underwent gradual attenuation of a cEHPSS, of which 19 had a closed cEHPSS and 6 developed multiple acquired portosystemic shunts (MAPSS) following surgery.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>PROCEDURES<\/jats:title>\n<jats:p>A retrospective study with prospective follow-up was performed. Dogs that underwent cEHPSS surgery and had their postoperative cEHPSS status determined by transsplenic portal scintigraphy or CT angiography 3 months postoperatively were prospectively contacted and invited for a long-term follow-up visit (a minimum of 6 months postoperatively). Retrospective data were collected, and during the prospective follow-up visit a thorough history, blood tests and urinalysis, and ultrasonography of the urinary tract were performed to assess the presence of urinary signs and urolithiasis.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>RESULTS<\/jats:title>\n<jats:p>Of 25 included dogs, 1 of 19 (5%) dogs with closed cEHPSS and 4 of 6 (67%) dogs with MAPSS had urolithiasis at long-term follow-up. Three (50%) dogs with MAPSS developed new uroliths. Long-term, dogs with closed cEHPSS that initially presented with and without urolithiasis had significantly less urolithiasis compared to dogs with MAPSS (<jats:italic>P<\/jats:italic> = .013 and <jats:italic>P<\/jats:italic> = .010, respectively). In the 4 dogs with closed cEHPSS that initially presented with nephrolithiasis, nephroliths became smaller or were no longer visible at the long-term follow-up visit.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>CLINICAL RELEVANCE<\/jats:title>\n<jats:p>Dogs that developed MAPSS following cEHPSS surgery are at greater risk of urolithiasis compared to those with closed cEHPSS. Furthermore, ammonium urate uroliths might dissolve if portosystemic shunting ceases to exist.<\/jats:p>\n<\/jats:sec>","DOI":"10.2460\/javma.23.02.0087","type":"journal-article","created":{"date-parts":[[2023,5,22]],"date-time":"2023-05-22T12:29:23Z","timestamp":1684758563000},"page":"1337-1344","source":"Crossref","is-referenced-by-count":3,"title":["Dogs with congenital extrahepatic portosystemic shunts that have persistent shunting after surgery have a higher prevalence of urolithiasis"],"prefix":"10.2460","volume":"261","author":[{"given":"Nienke C.","family":"Burger","sequence":"first","affiliation":[{"name":"Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nausikaa","family":"Devriendt","sequence":"additional","affiliation":[{"name":"Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gon\u00e7alo","family":"Serrano","sequence":"additional","affiliation":[{"name":"Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emmelie","family":"Stock","sequence":"additional","affiliation":[{"name":"Department of Morphology, Imaging, Orthopedics, Rehabilitation and Nutrition, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hilde de","family":"Rooster","sequence":"additional","affiliation":[{"name":"Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominique","family":"Paepe","sequence":"additional","affiliation":[{"name":"Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1272","reference":[{"issue":"1","key":"ref1","series-title":"Vet Clin North Am Small Anim Pract","first-page":"17","article-title":"Perspectives from the Minnesota Urolith Center. 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