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    Early tibial subchondral bone texture changes after arthroscopic partial meniscectomy in knees without radiographic OA: A prospective cohort study

    Access Status
    Open access via publisher
    Authors
    Wolski, Marcin
    Thorlund, J.B.
    Stachowiak, Gwidon
    Holsgaard-Larsen, A.
    Creaby, M.W.
    Jørgensen, G.M.
    Englund, M.
    Podsiadlo, Pawel
    Date
    2020
    Type
    Journal Article
    
    Metadata
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    Citation
    Wolski, M. and Thorlund, J.B. and Stachowiak, G.W. and Holsgaard-Larsen, A. and Creaby, M.W. and Jørgensen, G.M. and Englund, M. et al. 2020. Early tibial subchondral bone texture changes after arthroscopic partial meniscectomy in knees without radiographic OA: A prospective cohort study. Journal of Orthopaedic Research. 38 (8): pp. 1819-1825.
    Source Title
    Journal of Orthopaedic Research
    DOI
    10.1002/jor.24593
    ISSN
    0736-0266
    Faculty
    Faculty of Science and Engineering
    School
    School of Civil and Mechanical Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DE130100771
    URI
    http://hdl.handle.net/20.500.11937/90752
    Collection
    • Curtin Research Publications
    Abstract

    Arthroscopic partial meniscectomy (APM) may lead to changes in underlying trabecular bone (TB) structure potentially promoting the development of knee joint osteoarthritis. Our aim was to investigate if there are early changes occurring in tibial subchondral TB texture in the leg undergoing medial APM compared with the unoperated non-injured contra-lateral leg. The bone texture was measured as the medial-to-lateral ratio of fractal dimensions (FD) calculated for regions selected on weight-bearing anteroposterior tibiofemoral x-rays. Twenty-one subjects before and 12 months after APM were included from 374 patients scheduled for unilateral medial APM. The medial-to-lateral ratio was calculated for horizontal, vertical, and roughest FDs respectively. Higher FD means higher bone roughness. Each FD was calculated over a range of scales using a variance orientation transform method. Mean values of medial-to-lateral horizontal FD calculated for APM knees at follow-up were higher than those at baseline. For unoperated knees the values were lower. The difference in the horizontal FD change from baseline to follow-up between APM and contra-lateral legs was 0.028 (95% CI, 0.004-0.052). The bone roughness changes may reflect the increase in peak knee adduction moment (KAM) and KAM impulse during walking reported for the same cohort in a previous study. They may also reflect early signs of osteoarthritis development and thus, we speculate that individuals with increased bone texture roughness ratio after APM might be at higher risk of knee osteoarthritis development.

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    • Baseline trabecular bone and its relation to incident radiographic knee osteoarthritis and increase in joint space narrowing score: directional fractal signature analysis in the MOST study
      Podsiadlo, P.; Nevitt, M.; Wolski, Marcin; Stachowiak, G.; Lynch, J.; Tolstykh, I.; Felson, D.; Segal, N.; Lewis, C.; Englund, M. (2016)
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