The Distribution of Several Elements in Cat Urine and the Relation Between the Content of Elements and Urolithiasis

Mochizuki, Mariko; Morikawa, Misato; Yogo, Takuya; Urano, Kimiyo; Ishioka, Katsumi; Kishi, Minoru; Hondo, Ryo; Ueda, Fukiko; Sako, Toshinori; Sakurai, Fujiro; Yumoto, Norio; Tagawa, Masahiro
November 2011
Biological Trace Element Research;Nov2011, Vol. 143 Issue 2, p913
Academic Journal
The concentrations of elements in urine obtained from cats with urolithiasis were compared with those of healthy cats. The concentration of several elements, such as sodium (Na), phosphorus (P), sulfur (S), and potassium (K), in urine obtained from cats with urolithiasis was significantly higher than that of healthy cats. A significant correlation ( p < 0.01) was found between the concentration of magnesium (Mg) and that of other elements, such as P ( r = 0.8913), S ( r = 0.6817), and K ( r = 0.8391), in the urine obtained from healthy cats. A significant correlation ( r = 0.7422, p < 0.05) was also obtained between the concentration of K and that of P in urine collected from cats with urolithiasis, but the slope of regression line was significantly different from that of the urine obtained from healthy cats. Other correlations observed in healthy cats were not obtained from cats with urolithiasis. However, a significant correlation between the concentration of magnesium (Mg) and that of calcium was obtained only from cats with urolithiasis. The results of the present study suggest that urinary concentrations of various elements in cats with urolithiasis are higher than those of healthy cats. Furthermore, the balance of elements in the urine of cats with urolithiasis was altered.


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