Document Detail

Calcium oxalate stone and gout.
MedLine Citation:
PMID:  19779706     Owner:  NLM     Status:  MEDLINE    
Gout is well known to be produced by increased uric acid level in blood. The objective of this paper is to assess the relationship between gout and calcium oxalate stone formation in the humans. 48 patients with combination of gout and calcium oxalate stone problem were included. The biochemical values of this group were compared with 38 randomly selected uric acid stone patients with gout, 43 stone patients with gout alone, 100 calcium oxalate stone patients without gout and 30 controls, making a total of 259 patients. Various biochemical parameters, namely serum calcium, phosphorus and uric acid and 24-h urine calcium, phosphorus, uric acid, oxalate, citrate and magnesium were analysed. ANOVA and Duncan's multiple-range tests were performed to assess statistical significance of the variations. The promoters of stone formation, namely serum calcium (P < 0.05), phosphorus (P < 0.05) and uric acid (P < 0.05) and urine calcium (P < 0.05), uric acid (P < 0.05) and oxalate (P < 0.05) were significantly variable in the different groups. The inhibitor citrate (P < 0.05) was also significantly variable. Multiple-range test showed that the promoters, namely serum calcium (P < 0.05) and urine uric acid (P < 0.05) were in a significantly higher range in the gouty patients, gouty uric acid stone patients and gouty calcium oxalate stone patients compared to the non-gouty patients and controls. Urine oxalate (P < 0.0001) was in the highest range in the gouty calcium oxalate or gouty uric acid stones patients. The inhibitor urine citrate (P < 0.001) was significantly lower in the gouty, gouty uric acid and gouty calcium oxalate patients. Serum uric acid was highest in the non-stone gouty patients, followed by the gouty uric acid stone formers and gouty calcium oxalate stone patients. The high values of promoters, namely uric acid and calcium in the gouty stone patients indicate the tendency for urinary stone formation in the gouty stone patients. There is probably a correlation between gout and calcium oxalate urinary stone. We presume this mechanism is achieved through the uric acid metabolism. The findings point to the summation effect of metabolic changes in development of stone disease.
Y M Fazil Marickar
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Publication Detail:
Type:  Journal Article     Date:  2009-09-25
Journal Detail:
Title:  Urological research     Volume:  37     ISSN:  1434-0879     ISO Abbreviation:  Urol. Res.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2010-01-29     Completed Date:  2010-05-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0364311     Medline TA:  Urol Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  345-7     Citation Subset:  IM    
Department of Surgery, Zensa Hospital, Trivandrum, 695009, India.
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MeSH Terms
Calcium / metabolism
Calcium Oxalate / metabolism*
Case-Control Studies
Gout / metabolism*
Phosphorus / metabolism
Uric Acid / metabolism
Urinary Calculi / metabolism*
Reg. No./Substance:
25454-23-3/Calcium Oxalate; 69-93-2/Uric Acid; 7440-70-2/Calcium; 7723-14-0/Phosphorus

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