Benign ureteral obstruction in cats: Outcome with medical management

Autor: Isabelle Merindol, Catherine Vachon, Tristan Juette, Marilyn Dunn
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of Veterinary Internal Medicine, Vol 37, Iss 3, Pp 1047-1058 (2023)
Druh dokumentu: article
ISSN: 1939-1676
0891-6640
DOI: 10.1111/jvim.16709
Popis: Abstract Background Limited information is available regarding the outcome of medical management (MM) of benign ureteral obstruction in cats (BUO). Hypothesis Describe clinical characteristics and outcome of MM of BUO. Animals Seventy‐two client‐owned cats with 103 obstructed kidneys. Methods Medical records of cats diagnosed with BUO between 2010 and 2021 that received >72 hours of MM were retrospectively reviewed. Clinical data, treatment, and outcome were reviewed. Outcome was classified as success, partial success, or failure based on ultrasound findings. Factors associated with outcome were assessed. Results Seventy‐two cats with 103 obstructed kidneys were enrolled. The causes of obstruction were uroliths in 73% (75/103), strictures in 13.5% (14/103), and pyonephrosis in 13.5% (14/103) of affected kidneys. Median serum creatinine concentration at presentation was 4.01 mg/dL (range, 1.30‐21.3 mg/dL). Outcome after MM was considered a success in 30% (31/103), partial success in 13% (13/103), and failure in 57% (59/103) of kidneys. Success was reported in 23% (17/75) of kidneys with uroliths, 50% (7/14) with pyonephrosis, and 50% (7/14) with strictures. Median time to a successful outcome was 16 days (range, 3‐115 days). Distal and smaller uroliths (median length, 1.85 mm) were significantly associated with success (P = .05 and P = .01, respectively). Median survival times were 1188 days (range, 60‐1700 days), 518 days (range, 7‐1812 days), and 234 days (range, 4‐3494 days) for success, partial success, and failure, respectively. Conclusions and Clinical Importance We found a higher success rate for MM of BUO than previously reported. Smaller distal uroliths (
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