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Year 2009 - Volume 29, Number 8
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Urinary protein/creatinine ratio measurament in cats with chronic renal failure, 29(8):605-609
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ABSTRACT.- Castro M.C.N., Marcello G.C.G., Alencar N.X. & Ferreira A.M.R. 2009. [Urinary protein/creatinine ratio measurament in cats with chronic renal failure.] Avaliação da relação proteína-creatinina urinária em gatos com doença renal crônica. Pesquisa Veterinária Brasileira 29(8):605-609. Departamento de Patologia e Clínica Veterinária, Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brasil 64, Santa Rosa, Niterói, RJ 24230-340, Brazil. E-mail: mcnobre@vm.uff.br
Chronic renal disease (CRD) is the most common form of renal disease in cats. Several factors contribute to disease progression. Proteinuria is an important marker of renal disease progression. The protein-creatinine ratio in a single urine sample correlates well with urinary protein loss in 24 hours. The aim of this investigation was to determine the urine protein-creatinine (UPC) ratio in cats with natural acquired chronic renal disease. The UPC ratio was performed in nine clinically normal cats and in 30 cats with chronic renal disease. Mean UPC ratio in normal cats was 0.16±0.10, and mean UPC ratio in the cats with chronic renal disease was 0.53± 0.59. In the group with renal disease there was positive correlation between UPC ratio and serum creatinine levels. The results obtained from this study demonstrate that UPC ratio in cats with CRD is variable and that, in accordance to what has previously been described, approximately one third of the cats with CRD are considered proteinuric according to the criteria established in literature (UPC ratio > 0.4). |
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