Influence of bone mineral density and hip geometry on the different types of hip fracture

Yizhong Li; Jinkuang Lin; Siqing Cai; Lisheng Yan; Yuancheng Pan; Xuedong Yao; Huafeng Zhuang; Peiwen Wang; Yanjun Zeng

doi:10.17305/bjbms.2016.638

Authors

Yizhong Li Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Jinkuang Lin Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Siqing Cai Department of Radiology, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Lisheng Yan Department of Radiology, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Yuancheng Pan Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Xuedong Yao Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Huafeng Zhuang Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Peiwen Wang Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
Yanjun Zeng Beijing University of Technology, Beijing, China

DOI:

https://doi.org/10.17305/bjbms.2016.638

Keywords:

bone mineral density, hip, fragility fracture, femoral neck

Abstract

The aim of this study was to assess the influence of bone mineral density and hip geometry on the fragility fracture of femoral neck and trochanteric region. There were 95 menopausal females of age ≥ 50 years with fragility fracture of hip, including 55 cases of femoral neck fracture and 40 cases of trochanteric fracture. Another 63 non-fractured females with normal bone mineral density (BMD) were chosen as control. BMD, hip axis length, neck-shaft angle and structural parameters including cross surface area, cortical thickness and buckling ratio were detected and compared. Compared with control group, the patients with femoral neck fracture or trochanteric fractures had significantly lower BMD of femoral neck, as well as lower cross surface area and cortical thickness and higher buckling ratio in femoral neck and trochanteric region. There were no significant differences of BMD and structural parameters in the femoral neck fracture group and intertrochanteric fracture group. Hip axis length and neck-shaft angle were not significantly different among three groups. The significant changes of BMD and proximal femur geometry were present in the fragility fracture of femoral neck and trochanteric region. The different types of hip fractures cannot be explained by these changes.

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Author Biography

Huafeng Zhuang, Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China

Department of Orthopedics, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, China

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