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    Chronic low back pain is associated with reduced vertebral bone mineral measures in community-dwelling adults

    187023_64923_Briggs_et_al_2012_BMC_MSD.pdf (299.9Kb)
    Access Status
    Open access
    Authors
    Briggs, Andrew
    Straker, Leon
    Burnett, A.
    Wark, J.
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Briggs, Andrew M. and Straker, Leon M. and Burnett, Angus F. and Wark, John D. 2012. Chronic low back pain is associated with reduced vertebral bone mineral measures in community-dwelling adults. BMC Musculoskeletal Disorders. 13 (49).
    Source Title
    BMC Musculoskeletal Disorders
    ISSN
    1471-2474
    Remarks

    This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/ Please refer to the licence to obtain terms for any further reuse or distribution of this work.

    URI
    http://hdl.handle.net/20.500.11937/23579
    Collection
    • Curtin Research Publications
    Abstract

    Background: Chronic low back pain (CLBP) experienced in middle-age may have important implications for vertebral bone health, although this issue has not been investigated as a primary aim previously. This study investigated the associations between CLBP and dual energy X-ray absorptiometry (DXA)-derived vertebral bone mineral measures acquired from postero-anterior and lateral-projections, among community-dwelling, middle-aged adults. Methods: Twenty-nine adults with CLBP (11 male, 18 female) and 42 adults with no history of LBP in the preceding year (17 male, 25 female) were evaluated. Self-reported demographic and clinical data were collected via questionnaires. Areal bone mineral density (aBMD) was measured in the lumbar spine by DXA. Apparent volumetric (ap.v) BMD in the lumbar spine was also calculated. Multiple linear regression models were used to examine associations between study group (CLBP and control) and vertebral DXA variables by gender, adjusting for height, mass and age. Results: There was no difference between groups by gender in anthropometrics or clinical characteristics. In the CLBP group, the mean (SD) duration of CLBP was 13.3 (10.4) years in males and 11.6 (9.9) years in females, with Oswestry Disability Index scores of 16.2 (8.7)% and 15.4 (9.1)%, respectively. Males with CLBP had ignificantly lower adjusted lateral-projection aBMD and lateral-projection ap.vBMD than controls at L3 with mean differences (standard error) of 0.09 (0.04) g/cm2 (p = 0.03) and 0.02 (0.01) g/cm3 (p = 0.04). These multivariate models accounted for 55% and 53% of the variance in lateral-projection L3 aBMD and lateral-projection L3 ap.vBMD. Conclusions: CLBP in males is associated with some lumbar vertebral BMD measures, raising important questions about the mechanism and potential clinical impact of this association.

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