Hip strentgh analysis by dual energy x-ray absorbtiometry in nephrolithiasis patients

Abstract

Aim The aim of this study was to assess the hip geometric parameters measured by dual-energy X-ray absorptiometry in patients with kidney stones and to compare normal population.Method This study is retrospectively evaluation and performed hip structural analysis of another prospective study data, included 72 patients with kidney stones (29 female, 43 male) and 94 control subjects (31 women, 63 men). Bone mineral density and structural parameters such as hip axis length, cross-sectional area, crosssectional moment of inertia, femur strength index and section modulus of
femur neck have been measured in each groups.Results The patients and control subjects were anthropometrically identical (P>0.05). There were no statistical difference for hip axis length, cross-sectional area, cross-sectional
moment of inertia and section modulus between of groups when take into consideration of gender effect (P>0.05). The presence of nephrolithiasis was determined that there was not predictive effects on femur neck bone mineral density, hip axis length, cross-sectional moment of inertia, section modulus, femur strength index and cross-sectional area. To be female gender was a negatif effect on bone mineral density, hip axis length, cross-sectional moment of inertia and section modulus.Conclusion As a conclusion, we did not found any differences on bone mineral density and hip structural parameters measured with hip strength analysis program between nephrolithiasis patients and normal subjects at 20-50 ages. We thought that in these patients had high fracture rates determined previous studies especially in older ages, bone metabolic and geometric changes may start or/and fast with aging together other cause of loss of bone mineral (e.g. postmenopausal osteoporosis).

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