Summary
24 h urine compositions of male stone formers with idiopathic hypercalciuria prior to treatment were compared with those of male general practitioners without urolithiasis. Urinary urate was slightly higher in the stone formers than in the normals but this was not statistically significant. Furthermore, when results were corrected for the higher creatinine excretions of the stone formers then the reverse was true and statistically significant. All subjects with urinary urate over 7.0 mmol/24h were separately studied. In these groups the normals had higher urate and creatinine excretions than the stone formers but when results were corrected for creatinine the difference in the urate excretions disappeared. In long term follow up studies urinary calcium was lowered by diet and more so by diet supplemented with either Bendrofluazide or cellulose phosphate. Each drug raised urinary oxalate slightly and this was statistically significant, while both drugs together caused an even bigger rise in oxalate excretion. An unexpected finding was a rise in urinary urate with cellulose phosphate.
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Gill, H.S., Rose, G.A. Idiopathic hypercalciuria. Urol. Res. 13, 271–275 (1985). https://doi.org/10.1007/BF00262655
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DOI: https://doi.org/10.1007/BF00262655