Open Access, Peer-reviewed, Quarterly
pISSN 1225-1682
eISSN 2287-9293
    J Korean Fract Soc. 2010 Jul;23(3):263-269. Korean.
    Published online Jul 31, 2010.
    https://doi.org/10.12671/jkfs.2010.23.3.263
    Copyright © 2010 The Korean Fracture Society
    Original Article

    Comparison of Bone Mineral Density in Elderly Patients over 65 Years according to Presence and Types of Hip Fracture

    Myung-Ho Kim, M.D., Moon-Jib Yoo, M.D., Joong-Bae Seo, M.D., Hyun-Yul Yoo, M.D., and Sang-Young Moon, M.D.
      • Department of Orthopaedic Surgery, Dankook University College of Medicine, Cheonan, Korea.
    • Address reprint requests to: Hyun-Yul Yoo, M.D. Department of Orthopaedic Surgery, Dankook University College of Medicine, 359, Manghyang-ro, Dongnam-gu, Cheonan 330-715, Korea. Tel: 82-41-550-3950, Fax: 82-41-556-3238, Email: yul2zzang@nate.com
    Received April 20, 2010; Accepted May 24, 2010.

    This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

    Abstract

    Purpose

    We measured the BMD of elderly patients with osteoporotic hip fracture in order to understand the relationship between BMD of each sites and hip fracture occurrence or the types, and also to suggest a reference point for starting an osteoporosis treatment program.

    Materials and Methods

    From July 2007 to February 2010, we investigated total 147 elderly osteoporotic hip fracture patients over 65 years. For control group, 80 patients who were over 65-year-old and did not have any fracture were selected. BMD was compared at each site between each groups statistically.

    Results

    In the comparison of femur intertrochanter and neck fracture groups, BMD of femur neck and trochanter areas and L2, L3 areas were significantly less in intertrochanteric fracture group. In the analysis according to the classification of intertrochanteric fracture, BMD of intertrochanter and Ward's triangle area were significantly less in unstable fracture group than stable one. Each of the fracture threshold of intertrochanteric and neck fracture group was -1.10 and -1.36 of the T-score in proximal femur, and -1.40 and -1.40 of the T-score in lumbar vertebrae.

    Conclusion

    To examine the BMD of both proximal femur and lumbar vertebrae areas is helpful to predict the hip fracture occurrence and the type of hip fracture. And for the prevention of hip fracture in elderly patients over 65 years, we propose that the aggressive treatment of osteoporosis should be started to prevent fracture for patients with a T-score less than -1.40.

    Keywords
    Proximal femur; Femur intertrochanteric & neck fracture; Bone mineral density

    Figures

    Fig. 1
    Reporting sheet of BMD (bone mineral density) of proximal femur (A) and lumbar spine (B) by Hologic QDR Discovery-Wi (S/N 82756), Hologic INC, USA.

    Tables

    Table 1
    Comparison of hip and lumbar BMD (T-score) between fracture groups (femur intertrochanteric fracture & femur neck fracture) and control group

    Table 2
    Comparison of hip and lumbar BMD (T-score) between femur intertrochanteric fracture group and femur neck fracture group

    Table 3
    Comparison of hip and lumbar BMD (T-score) between stable and unstable group of femur intertrochanteric fracture according to Evans classification

    Table 4
    Comparison of hipand lumbar BMD (T-score) between stable and unstable group of femur neck fracture according to Garden classification

    Table 5
    Fracture thresholds correspoding to 90 percentile of BMD (T-score) in all of the hip fracture group, femur intertrochanteric fracture group and femur neck fracture group

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    MeSH Terms
    Aged
    Bone Density
    Femur
    Femur Neck
    Hip
    Humans
    Lumbar Vertebrae
    Neck
    Osteoporosis
    Metrics
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