Prevalence of Hypocitraturia and Hypopyrophosphaturia in Recurrent Calcium Stone Formers: As Isolated Defects or Associated with Other Metabolic Abnormalities

Nephron ◽  
1990 ◽  
Vol 56 (4) ◽  
pp. 379-386 ◽  
Author(s):  
N.A. Laminski ◽  
A.M. Meyers ◽  
M.I. Sonnekus ◽  
A.E. Smyth
Keyword(s):  
Metabolic Abnormalities ◽  
Calcium Stone ◽  
Stone Formers

The Saturation of Urine in Recurrent, Idiopathic Calcium Stone-Formers

1976 ◽  
pp. 335-338 ◽  
Author(s):  
W. G. Robertson ◽  
R. W. Marshall ◽  
M. Peacock ◽  
F. Knowles
Keyword(s):  
Calcium Stone ◽  
Stone Formers

Chloride:Phosphate Ratio as Screening for Primary Hyperparathyroidism in Calcium Stone Formers

2011 ◽  
pp. P1-244-P1-244
Author(s):  
Albert Liu Chu ◽  
Bien J Matawaran ◽  
David Bolong ◽  
Leilani B Mercado-Asis
Keyword(s):  
Primary Hyperparathyroidism ◽  
Calcium Stone ◽  
Stone Formers

Chemical factors important to calcium nephrolithiasis: evidence for impaired hydroxycarboxylic acid absorption causing hyperoxaluria.

1987 ◽  
Vol 33 (2) ◽  
pp. 243-247 ◽  
Author(s):  
D M Cowley ◽  
B C McWhinney ◽  
J M Brown ◽  
A H Chalmers
Keyword(s):  
Stone Formation ◽  
Urine Volume ◽  
Normal Subjects ◽  
Concurrent Administration ◽  
Calcium Stone ◽  
Hydroxycarboxylic Acids ◽  
Stone Formers ◽  
Daily Excretion ◽  
Chemical Factors ◽  
Urinary Oxalate Excretion

Abstract An investigation of variables important to calcium stone formation in urine indicated significantly increased daily excretion of calcium and oxalate and decreased excretion of ascorbate and citrate by recurrent calcium stone formers. In addition, urine volume, sodium, mucopolysaccharide, and protein were also significantly increased. We compared the uptake of citrate and ascorbate from the gut into the blood in normal controls and stone formers. These studies indicated significantly depressed absorption of both these hydroxycarboxylic acids in recurrent calcium stone formers. We also found that concurrent administration of citrate inhibited ascorbate absorption and increased urinary oxalate excretion after an ascorbate load in normal subjects and stone formers. These findings suggest a mechanism that explains hyperoxaluria in stone patients on the basis of a malabsorption of citrate, ascorbate, and possibly other hydroxycarboxylic acids.

Determination of the calcium binding capacity to discriminate between urines of calcium stone formers and healthy persons

1992 ◽  
Vol 20 (1) ◽  
pp. 101-102
Author(s):  
H. F�redi-Milhofer ◽  
K. Kiss ◽  
F. Kahana ◽  
S. Sarig
Keyword(s):  
Calcium Binding ◽  
Binding Capacity ◽  
Calcium Stone ◽  
Stone Formers ◽  
Healthy Persons

The dietary habits of idiopathic calcium stone-formers and normal control subjects

2001 ◽  
Vol 85 (6) ◽  
pp. 616-620 ◽  
Author(s):  
H. Al Zahrani ◽  
R.W. Norman ◽  
C. Thompson ◽  
S. Weerasinghe
Keyword(s):  
Normal Control ◽  
Dietary Habits ◽  
Calcium Stone ◽  
Control Subjects ◽  
Stone Formers
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