Urine Chemistry in Renal Stone Formers in an Area with Soft Drinking Water
An association between soft drinking water and a higher incidence of urolithiasis has been reported from several countries1,2. A decreased ingestion of calcium could permit an increased gut absorption of oxalate and produce an increased urinary oxalate excretion3. A decreased ingestion of magnesium could result in a decreased urinary excretion of this inhibitor2. The effect of trace elements in drinking water on the incidence of urolithiasis is unknown although zinc and manganese inhibit while silica facilitates the calcification of an organic matrix in vitro4.
KeywordsWater Hardness Calcium Oxalate Renal Stone Oxalate Excretion Urine Oxalate Excretion
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