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Femoral geometry, bone mineral density, and the risk of hip fracture in premenopausal women: a case control study

Cited 2 time in Web of Science Cited 6 time in Scopus
Authors
Lee, Dong-Hwa; Jung, Kyong Yeun; Hong, A Ram; Kim, Jung Hee; Kim, Kyoung Min; Shin, Chan Soo; Kim, Seong Yeon; Kim, Sang Wan
Issue Date
2016-01-25
Publisher
BioMed Central
Citation
BMC Musculoskeletal Disorders, 17(1):42
Keywords
Hip geometryHip fractureHip axis lengthPremenopausal women
Description
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Abstract
Background
The purpose of this study was to determine the relationships among hip geometry, bone mineral density, and the risk of hip fracture in premenopausal women.

Methods
The participants in this case–control study were 16 premenopausal women with minimal-trauma hip fractures (fracture group) and 80 age-and BMI-adjusted controls. Subjects underwent dual-energy X-ray absorptiometry (DXA) to assess BMD at the proximal femur and to obtain DXA-derived hip geometry measurements.

Results
The fracture group had a lower mean femoral neck and total hip BMD than the control group (0.721 ± 0.123 vs. 0.899 ± 0.115, p <0.001 for the femoral neck BMD and 0.724 ± 0.120 vs. 0.923 ± 0.116, p <0.001 for the total hip BMD). In addition, participants in the fracture group had a longer hip axis length (HAL; p = 0.007), narrower neck shaft angle (NSA; p = 0.008), smaller cross sectional area (CSA; p < 0.001) and higher cross sectional moment of inertia (CSMI; p = 0.004) than those in control group. After adjusting for BMD, the fracture group still had a significantly longer mean HAL (p = 0.020) and narrower NSA (p = 0.006) than the control group.

Conclusions
BMD is an important predictor of hip fracture in premenopausal women. Furthermore, HAL and NSA are BMD-independent predictors of hip fracture in premenopausal women. Hip geometry may be clinically useful for identification of premenopausal women for whom active fracture prevention should be considered.
Language
English
URI
http://hdl.handle.net/10371/100642
DOI
https://doi.org/10.1186/s12891-016-0893-2
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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