Abstract
Concentration and excretion in 24-hour urine, as well as serum concentrations of Na, K, Mg, Ca, Cl, P, uric acid and citrate were investigated in 209 calcium oxalate stone patients and 42 stone-free patients. Especially the concentration values of the urine components, except for uric acid and citrate, were found to be significantly lower for calcium oxalate stone patients. 21% of the stone patients showed hypercalciuria; hypercalciuria combined with hyperuricuria was found in only 7.1% of the cases and a solitary hyperuricuria in only 17%. As for kidney cortex, kidney papilla and muscle tissue in 10 calcium oxalate stone patients and 10 stone-free patients, the concentrations of Na, K, Ca, Mg as well as some trace elements were determined quantitatively by means of neutron activation analysis. Statistic analysis yielded a significantly lower sodium content of the kidney cortex within the stone-carrying group. Mean values of the calcium concentration in stone patients were lower for papilla and muscle tissue than in the control group. For magnesium no clear differences were found. The iron content in the papilla and muslce tissue of stone patients was significantly lower.
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