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KMID : 0358320100510010050
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Korean Journal of Urology
2010 Volume.51 No. 1 p.50 ~ p.53
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Comparison of Metabolic Risk Factors in Urolithiasis Patients according to Family History
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Park Cheol
Kim Yong-June
Lee Sang-Cheol
Kim Wun-Jae
Ha Yun-Sok
Yun Seok-Joong
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Abstract
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Purpose: Urolithiasis develops more frequently in patients with a family history (FHx). However, little is known about risk factors in stone formers with a FHx. The aim of this study was to examine the clinico-metabolic characteristics of urinary stone formers according to FHx.
Materials and Methods: A database of 1,068 stone formers who underwent a complete metabolic evaluation was reviewed. The patients were divided into two groups on the basis of the presence of a FHx. Clinical factors and metabolic parameters were compared between the two groups.
Results: There were no significant differences in clinical characteristics, such as gender, age, body mass index, stone episodes, or multiple stones, between the two groups (p＞0.05, respectively). Compared with stone formers without a FHx, however, serum calcium concentrations were more elevated in stone formers with a FHx. Also, the urinary excretion of calcium was higher in stone formers with a FHx than in those without a FHx. Other urinary metabolites showed no significant differences between the two groups (p＞0.05, respectively).
Conclusions: Our study revealed that stone formers with a FHx had increased urinary calcium excretion as well as elevated concentrations of serum calcium. This finding suggests that urolithiasis in stone formers with a FHx may be associated with calcium metabolic abnormalities.
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KEYWORD
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Calcium, Family characteristics, Urolithiasis
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