Differences in Urinary Stone Composition according to Body Habitus
정지연, 두승환, 양원재, 이광우, 김준모,
소속 상세정보
정지연 ( Jeong Ji-Yun )
Soonchunhyang University College of Medicine Soonchunhyang University Seoul Hospital Department of Urology
두승환 ( Doo Seung-Whan )
Soonchunhyang University College of Medicine Soonchunhyang University Seoul Hospital Department of Urology
양원재 ( Yang Won-Jae )
Soonchunhyang University College of Medicine Soonchunhyang University Seoul Hospital Department of Urology
이광우 ( Lee Kwang-Woo )
Soonchunhyang University College of Medicine Soonchunhyang University Bucheon Hospital Department of Urology
김준모 ( Kim Jun-Mo )
Soonchunhyang University College of Medicine Soonchunhyang University Bucheon Hospital Department of Urology
KMID : 0358320110520090622
Abstract
Purpose: We analyzed differences in urinary stone composition according to body mass index (BMI).
Materials and Methods : Between January 2007 and December 2010, 505 ureteral or renal stones were collected from 505 patients who underwent surgical intervention. Data on patient age, gender, BMI, urinary pH, and stone composition were collected.
Results: The patients’ mean age was 49.2 years (range, 20 to 83 years). Of the 505 patients, 196 (38.7%) had calcium oxalate (CO) stones, 172 (33.9%) had mixed calcium oxalate and calcium phosphate (COP) stones, 72 (14.2%) had calcium phosphate (CP) stones, 50 (9.8%) had uric acid (UA) stones, and 15 (2.9%) had struvite stones. We excluded struvite stones in the statistical analysis because of the small number of patients; a total of 490 patients were included in this study. In the multinomial logistic regression analysis, obesity was found to be associated with UA stones compared with COP stones (odds ratio [OR] 3.488; 95% confidence interval [CI] 1.732-7.025; p<0.001) and CP stones (OR 2.765; 95% CI 1.222-6.259; p=0.015). Similar results were observed for CO stones compared with COP stones (OR 2.682; 95% CI 1.727-4.164; p<0.001) and CP stones (OR 2.126; 95% CI 1.176-3.843; p<0.013).
Conclusions: Obesity was associated with UA and CO stones compared with the occurrence of COP and CP stones.
키워드
Body mass index;Obesity;Urinary calculi
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