[Renal autotransplantation as a treatment of renovascular lesions].
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Biomedical subjects
Publications and source records attributed to A M Lucon.
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The presence of citric acid in urine and its ability to bind calcium ions forming a soluble complex are well recognized and has led to the suggestion that citric acid may play an important role in preventing renal calcium stone disease. In this study the 24-hour urinary excretion was measured with a specific enzymatic method in 48 normal subjects and in a group of 46 non selected patients with recurrent urolithiasis. Hypocitraturia was detected in 18/46 patients (39.1%) and was the unique metabolic abnormality in 6 (13%).
Ten patients with recurrent nephrolithiasis and hypercalciuria were given rice bran during 60 days. Hypercalciuria was reduced in all patients in an average of 40%. Urinary magnesium was reduced in 28% and oxalate excretion was increased in 28%. The rate of decrease of urinary calcium was 65% in the absorptive type and 33% in the renal type of hypercalciuria.
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