Resolution of a Left Ureteral Stone Using Electrohydraulic Lithotripsy in a Thoroughbred Colt |
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| Authors: | Lynn D Rodger Gary P Carlson Michael E Moran Tom B Yarbrough John R Pascoe Jay A Reynolds |
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| Institution: | Veterinary Medical Teaching Hospital, University of California, Davis, CA;Departments of Medicine, University of California, Davis, CA;Departments of Surgery, School of Veterinary Medicine;Department of UrologyUniversity of California, Davis, CA;School of Medicine, University of California, Davis, CA;Equine Veterinary Services, San Mateo, CA |
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| Abstract: | A 3-year-old Thoroughbred colt was presented for evaluation of azotemia and anorexia. Physical examination revealed a ureterolith in the left ureter, approximately 10 cm from the bladder, which was thought to obstruct urine flow by approximately 90% when viewed cystoscopically. Ultrasonographic examination of both kidneys revealed indistinct corticomedullary junctions, and the right kidney was more hyperechoic. A percutaneous biopsy of the right kidney revealed chronic interstitial nephritis with marked interstitial medullary fibrosis. Medical therapy consisting of IV fluids, sodium chloride PO, and ammonium chloride PO was initiated. Ureteroscopic electrohydraulic lithotripsy via a perineal urethrostomy was used to successfully remove the stone. Klebsiella oxytoca , which responded to oral enrofloxacin therapy, was cultured from the urine after surgery. Azotemia resolved and the horse resumed training. |
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