Ureteral disease can create a significant dilemma in our feline patients. The relatively common incidence of ureteral disease, combined with the invasiveness and morbidity associated with traditional surgical techniques, makes the investigation of minimally invasive alternatives appealing. Interventional radiologic (IR) and interventional endoscopic (IE) techniques, like ureteropyelography, percutaneous nephrostomy tube placement, ureteral stenting and the use of a subcutaneous ureteral bypass (SUB)device, have aided tremendously in the ability to simultaneously diagnosis and treat ureteral obstructions in a minimally invasive manner with long-term ureteral protection from future obstruction, while concurrently lowering the morbidity and mortalitywhen compared to traditional surgerical techiques (ureterotomy, neoureterocystostomy, ureteronephrectomy or renal transplantation). Endourologic procedures are considered standard of care in human adult and pediatric surgery and are currently being applied in veterinary patients regularly. This talk will focus on the diagnosis, management and treatment of cats with ureteral obstructions from various causes and will review data from what has been reported in the past, the more recent internventional modalities, and the future options on the horizon. Data from over 250 consecutive cases treated interventionally will be reported and discussed.
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