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  • Title: Successful management of pelvic urethral strictures with balloon dilation in 3 cats.
    Author: Hammond TN, King RG, Danielson KC.
    Journal: J Vet Emerg Crit Care (San Antonio); 2023; 33(3):371-379. PubMed ID: 36943170.
    Abstract:
    OBJECTIVE: To describe the successful management of pelvic urethral strictures in 3 young cats (1 after perineal urethrostomy, 1 after a third-time urethral obstruction, and 1 with prolonged lower urinary tract signs post-urethral obstruction) using balloon dilation and a short-term, indwelling urethral catheter. CASE SUMMARIES: A 9-month-old neutered male domestic longhair cat with a urethral obstruction and a suspected congenitally narrowed urethra was treated via perineal urethrostomy. The cat later developed acute kidney injury, multidrug-resistant urinary tract infections, and a pelvic urethral stricture. A second case, a 2.3-year-old neutered male domestic shorthair cat, developed a stricture of the pelvic urethra after multiple obstructions and catheterizations. A third case, a 1.2-year-old neutered male domestic shorthair cat, had persistent and prolonged lower urinary tract signs after treatment for a urinary obstruction. The cat also had an abnormally small urethral opening and was ultimately found to have a proximal urethral stricture. The strictures in all 3 cases were successfully treated with a combination of fluoroscopic-guided balloon dilation and short-term indwelling urethral catheterization while managing any present infection. NEW OR UNIQUE INFORMATION PROVIDED: To the authors' knowledge, this is the first published case series of successful balloon dilations paired with the use of a short-term indwelling urethral catheter in cats that developed urethral strictures after catheterization due to urinary obstructions. This procedure appears safe and well tolerated and appears to offer a long-term, cost-effective solution to urethral strictures at the level of the pelvis.
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