Predictive value of some biochemical indices in stone formers |
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Authors: | F. Hussain F. R. Billimoria P. P. Singh |
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Affiliation: | (1) Department of Biochemistry, R. N. T. Medical College, Udaipur, L. T. M. Medical College, Sion, Bombay, India |
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Abstract: | Search is under way to develop reliable tests for the prediction of stone risk. Several indices and ratios on the basis of urinary excretions have been suggested. In the present study the applicability of some risk indices and ratios in slum dwellers of Dharavi area of Bombay was examined. No significant difference was observed in IAP (ionic activity product) and CORI (calcium oxalate risk index) between stone formers (SF) and normal subjects (NS). We have suggested two more adjuncts, PIR (promoter/inhibitor ratio) and COQ (calcium oxalate quotient), and found them to be quite useful in the detection of risk. Pre-existence of risk factor(s) in the majority of the normal population suggests that triggering of stone formation should be a transient phenomenon in this population. No consistent pattern of relationship between various urinary parameters was observed. |
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