Abstract
Twenty-four-hour urinary specimens from 22 patients with urolithiasis and urinary calcium excretion within the normal range were investigated. The urinary calcium excretion was significantly higher and the urinary osmolar excretion significantly lower in the stone formers than in the normals. Urinary calcium and osmolar excretion as well as urinary magnesium and osmolar excretion both in the patients and in the normals were found to be correlated. In the stone formers urine volume and urinary calcium, magnesium and osmolar excretion, as well as phosphate and osmolar excretion were correlated. These correlations have not been found in the normals. It is thought that in the stone formers the increased excretion of urine is secondary to increased urinary calcium excretion.
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Revúsová, V., Zvara, V. & Gratzlová, J. Some laboratory findings in patients with urolithiasis. International Urology and Nephrology 3, 251–258 (1971). https://doi.org/10.1007/BF02081763
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DOI: https://doi.org/10.1007/BF02081763