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  Klin. Biochem. Metab., 7 (28), 1999, No. 1, p. 27–28
 
Renal Clearance and Fractional Excretion of Electrolytes and Inorganic Phosphate in Healthy Male Infants 
Průša R. 1 , Grivna M. 2 , Kotaška K. 1 , Lhotková I. 1 , Lány J. 1 

1 Department of Clinical Biochemistry, 2 nd Medical Faculty Charles University, Prague
2 Department of Preventive Medicine, 2 nd Medical Faculty Charles University, Prague
 


Summary:

       Reference values for urinary excretion of electrolytes in infants are rather rare. The authors succeeded in obtaining accurate collection of urine in a group of 30 healthy boys aged 2 – 12 months. The following parameters were assessed in serum and urine samples: Na, K, Cl, Ca, phosphate, creatinine. Reference values for clearance and fractional excretion of these parameters were obtained. Statistically significant correlations between age (2 – 12 months) and clearance and fractional excretion of the studied parameters were not proved.

        Key words: age related reference values, sodium, potassium, calcium, chloride, inorganic phosphate.
       

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