Peer-reviewed veterinary case report
How often do urinary stones come back in cats after first treatment
By Albasan, Hasan et al.·Published in Journal of the American Veterinary Medical Association·2009·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: Rate and frequency of recurrence of uroliths after an initial ammonium urate, calcium oxalate, or struvite urolith in cats.
- Species:
- cat
Plain-English summary
A study looked at over 4,400 cats with a history of bladder stones (uroliths) to see how often they came back after treatment. Cats with ammonium urate stones had a 13.1% chance of their stones returning within about 22 months, while those with calcium oxalate stones had a 7.1% chance of recurrence after about 25 months. Struvite stones were less common, with only 2.7% of cats experiencing a recurrence after about 29 months. Understanding these recurrence rates can help pet owners and vets manage and monitor their cats' urinary health more effectively.
People also search for: cat bladder stones recurrence · ammonium urate stones in cats · calcium oxalate uroliths treatment · struvite stones in cats management
Abstract
OBJECTIVE: To determine frequency of and interval until recurrence after initial ammonium urate, calcium oxalate, and struvite uroliths in cats and whether breed, age, or sex was associated with increased risk for urolith recurrence. DESIGN: Case-control study. ANIMALS: 4,435 cats with recurrent uroliths. PROCEDURES: To identify recurrence of uroliths in cats for which uroliths were submitted for analysis at the Minnesota Urolith Center in 1998, the facility's database was searched for urolith resubmissions from the same cats between 1998 and 2003. Risk factors and differences in mean interval until recurrence were assessed. RESULTS: Of 221 cats with ammonium urate uroliths in 1998, 29 (13.1%) had a first and 9 (4.1%) had a second recurrence. Mean interval until recurrence was 22 and 43 months for the first and second recurrence, respectively. Of 2,393 cats with calcium oxalate uroliths in 1998, 169 (7.1%) had a first, 15 (0.6%) had a second, and 2 (0.1%) had a third recurrence. Mean interval until recurrence was 25, 38, and 48 months for the first, second, and third recurrence, respectively. Of 1,821 cats with struvite uroliths in 1998, 49 (2.7%) had a first and 3 (0.2%) had a second recurrence. Mean interval until recurrence was 29 months for first and 40 months for second recurrences. CONCLUSIONS AND CLINICAL RELEVANCE: These results provided insights into the frequency of urolith recurrence in cats. Because some uroliths associated with recurrent episodes probably were not submitted to our facility, our data likely represented an underestimation of the actual recurrence rate.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20001780/