2007
DOI: 10.1017/s0007114507778686
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Abstract: The contribution of dietary Ca and P in renal stone formation is debated. Thus, the main objective was to investigate if there were any differences in the dietary, serum and urine values of Ca and P in stone formers (SF) compared with healthy controls (HC). The secondary aim was to analyse if dietary, serum and urine Ca and P correlated. The study enrolled ten patients with renal stones admitted for stone removal and ten healthy controls. Their dietary macronutrients, Ca and P intakes were calculated from 2-d … Show more

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Cited by 5 publications
(5 citation statements)
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“…In addition, the pH of urine has been reported to alter several types of stones, including calcium oxalate, calcium phosphate, and uric acid [ 3 ]. A study [ 24 ] has suggested that urinary phosphorus may play a role in the formation of kidney stones, but not urinary calcium, which agreed to our results that calcium does not differ between patients with stones and healthy individuals.…”
Section: Discussionsupporting
confidence: 93%
“…In addition, the pH of urine has been reported to alter several types of stones, including calcium oxalate, calcium phosphate, and uric acid [ 3 ]. A study [ 24 ] has suggested that urinary phosphorus may play a role in the formation of kidney stones, but not urinary calcium, which agreed to our results that calcium does not differ between patients with stones and healthy individuals.…”
Section: Discussionsupporting
confidence: 93%
“…Disturbed excretion of serum phosphate is associated with renal insu ciency, which is consistent with higher creatinine levels in patients with recurrent stones. Consistent with our ndings, studies indicated that urine phosphate may play an important role rather than urine calcium in stone formation in Asian populations [29]. Moreira et al studied the relationship between estimated glomerular ltration rate (eGFR) and 24h urinalysis in stone formers and suggested that hypomagnesia was associated with decreased eGFR, while the prevalence of hypercalcemia, hyperuricuria and hyperphosphoruria was associated with higher eGFR.…”
Section: Prediction Of Calcium Oxalate Stone Recurrence By Dominant G...supporting
confidence: 87%
“…Only dietary calcium correlated signi fi cantly with serum and urine calcium in stone formers. Thus, a dietary contribution of energy, protein, and fat to urinary calcium excretion in stone formers could be possible in this population [ 43 ] . Stone patients from North India were shown to have a signi fi cantly higher intake of dairy products such as curd and cheese as compared to nonstone cases [ 29 ] .…”
Section: Calciummentioning
confidence: 96%
“…That the elevated urine phosphate was not signi fi cantly correlated with any dietary intake probably indicates that that the metabolism of phosphate rather than its intake plays a role in stone formation [ 43 ] .…”
Section: Phosphatementioning
confidence: 96%
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