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Related Experiment Videos

Evaluation of renal function in cats, using quantitative urinalysis.

E A Russo, G E Lees, D Hightower

    American Journal of Veterinary Research
    |June 1, 1986
    PubMed
    Summary

    This study established reference values for feline renal function using 24-hour urinalysis. Quantitative urinalysis in cats shows potential for clinical use but has limitations.

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    Area of Science:

    • Veterinary Medicine
    • Nephrology
    • Clinical Pathology

    Background:

    • Assessing feline renal function is crucial for diagnosing and managing kidney diseases in cats.
    • Quantitative urinalysis provides valuable data on kidney function, but reference ranges in healthy cats are not well-established.

    Purpose of the Study:

    • To evaluate the technique of 24-hour quantitative urinalysis in healthy adult cats.
    • To establish reference values for urinary excretion of various substances in cats.
    • To compare endogenous creatinine clearance with 99mTc(Sn) DTPA clearance as estimates of glomerular filtration rate.

    Main Methods:

    • Two consecutive 24-hour urine samples were collected from 12 healthy adult cats.
    • Measurements included endogenous creatinine clearance, urinary protein excretion, and clearances of phosphate, sodium, potassium, and chloride.
    • Glomerular filtration rate was also estimated using 99mTc(Sn) DTPA clearance.

    Main Results:

    • Endogenous creatinine clearance was determined to be 2.31 +/- 0.47 ml/min/kg.
    • Urinary protein excretion averaged 17.43 +/- 9.05 mg/kg/day.
    • Calculated clearances and ratios to creatinine clearance were obtained for phosphate, sodium, potassium, and chloride.

    Conclusions:

    • 24-hour quantitative urinalysis is a potentially useful technique for evaluating feline renal function.
    • Established reference values provide a basis for clinical interpretation.
    • The technique has limitations that need to be considered in clinical application.

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