Kidney Failure in Cats

24 05 2011

Kidney Failure in Cats

According to David Polzin, DVM, Ph.D. at the University of Minnesota College of Veterinary Medicine kidney disease affects 112 of every 1,000 cats.  Among cats 10 and older, the prevalence climbs to 269 per 1,000 and to 491 per 1,000 cats 15 and older.

Although chronic kidney disease is irreversible and progressive, most cats with the condition survive many months to years especially when properly managed.

The University of Minnesota’s School of veterinary medicine published a clinical trial in 2006 that confirmed the benefits of renal diets. The two-year study compared a diet restricted in protein and phosphorus and compared the diet with a maintenance diet in 45 cat with spontaneous chronic kidney disease. Cats fed the maintenance diet; renal-related mortality was 17.4 percent, while no deaths were observed among the cats that were fed the renal formula.

Dr. Polzin says it’s a common misconception that renal diets are merely low in protein.  Rather, they encompass a variety of modifications beyond limited protein, he says.  He claims that replacing renal diet with a standard manufactured diet that is lower in protein content does not meet the guideline of feeding a renal diet, Dr. Polzin claims.


Luechtefeld, Lori.  “Feline Nutrition:  In Search of Top Performance.”  Veterinary Practice News. November 2007. p. 16.




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