Saturday, August 4, 2012

The diagnostic significance of the chemical examination of urine for kidney disease

The chemical examination of urine, is an important item in the urine routine examination. It consists of a urine protein, urine glucose, urine ketone bodies, chyluria, as described below.


(1) normal urine within the urinary protein (Pro) contains only a small amount of protein a day 24h urine within 20 ~ 80mg conventional qualitative test was negative (a). When the urine protein content exceed 100mg/24h the conventional qualitative test is positive (+), known as proteinuria. Proteinuria, clinical common in acute and chronic nephritis, kidney disease, urinary tract infection and other diseases.


(2) urine (GLU), normal urine contains only trace of glucose, called physiological urine, the urine qualitative test is negative (a); urine quantitative test 0.56 ~~ 5.0mmol/24h. Renal glucosuria and diabetes, the urine increased.


(3) urine ketone (KET) ketone intermediate product of fat metabolism, including acetoacetate, beta-hydroxy butyric acid and acetone. Normal urine ketone content is minimal, qualitative test is negative (a); quantitative test: acetoacetate normal for 9mg/24h to the beta-hydroxybutyric acid 25mg/24h acetone 3mg/24h. Ketone body abnormalities seen in diabetic ketoacidosis, and diabetic nephropathy.


(4) chyluria extensive abdominal lymphatic duct obstruction and thoracic duct obstruction can occur chyluria, the vast majority of filariasis caused by the spot's. The chyluria occasionally in the pyelonephritis, renal tuberculosis, and other normal person does not appear chyluria.

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