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Prognosis for Cats with Urethral Obstruction

Gerber, B., S. Eichenberger, et al. (2008). “Guarded long-term prognosis in male cats with urethral obstruction.” J Feline Med Surg 10(1): 16-23.

This study, from the University of Zurich, evaluated 45 male cats with urethral obstruction or lower urinary tract signs due to urethral obstruction. Follow-up information from telephone interviews was available for 39 cats. Of the 22 cats with idiopathic urethral obstruction, 36% re-obstructed after a range of 3-728 days (median 17 days). Of the 10 cats with urolithiasis, 30% re-obstructed and of the 7 cats with urethral plugs, 43% re-obstructed. Most cats (51%) experienced recurrent signs of lower urinary tract disease, including obstruction. The most common reason for euthanasia was recurrent obstruction and was the end result for 21% of the cases.
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Related articles:
Gerber, B., F. S. Boretti, et al. (2005). “Evaluation of clinical signs and causes of lower urinary tract disease in European cats.” J Small Anim Pract 46(12): 571-7.
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Houston, D., A. Moore, et al. (2003). “Feline urethral plugs and bladder uroliths: a review of 5484 submissions 1998-2003.” Can Vet J 44: 974-977.
>> PubMed abstract