• New guidelines for assessment of bone density and microarchitecture in vivo with HR-pQCT

    New guidelines for assessment of bone density and microarchitecture in vivo with HR-pQCT

    Date: June 01, 2020
    NEWS RELEASE                                            

    WASHINGTON, D.C. – (1 June 2020) – 

    The use of high-resolution peripheral quantitative computed tomography (HR-pQCT) to assess bone microarchitecture in clinical studies has continued to grow rapidly. Thus, there is an urgent need for guidance and consensus on the methods for and reporting of HR-pQCT imaging so that different studies can be compared to each other.

    An important new position paper, published by a joint working group from the International Osteoporosis Foundation (IOF), the American Society for Bone and Mineral Research (ASBMR) and the European Calcified Tissue Society (ECTS), now addresses the need for standardization of techniques and terminology, provides guidance on interpretation and reporting of results, and discusses unresolved issues in the field.

    Dr Nicholas Harvey, Professor of Rheumatology and Clinical Epidemiology at the University of Southampton, UK and Chair of the IOF Committee of Scientific Advisors, stated: “HR-pQCT is a powerful technology which provides novel insights into bone microarchitecture which are of highly valuable to a broad range of bone-related research. The objective of these guidelines, which have been developed and endorsed by the major organizations in the bone field, are to provide direction on the technical aspects of HR-pQCT for use in the clinical setting, including best practices for acquisition and analysis of scans, as well as much needed guidance on the presentation and interpretation of results.”

    Specifically, the guidance provides:

    • standardized protocol for imaging distal radius and tibia sites using HRpQCT, with the importance of quality control and operator training discussed;
    • standardized terminology and recommendations on reporting results;
    • overview of factors influencing accuracy and precision error, with considerations for longitudinal and multicentre study designs;
    • a comparison of original and newer HR-QCT scanners with other high-resolution CT systems.

     

    Senior author, Dr Mary Bouxsein, Director of the Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center and Professor, Department of Orthopedic Surgery, Harvard Medical School added: “The implementation of these recommendations as best practices will help to facilitate the comparison of results across studies by minimizing technical variation in scan acquisition and analysis. We expect that this will be of enormous benefit to clinical research in the bone field and will support the further advancement of HR-pQCT for a variety of clinical applications.“

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    Reference:  Whittier, D., Boyd, S., Burghardt, A., Paccou J., Ghasem-Zadeh A., Chapurlat R., Engelke, K., and M.L. Bouxsein. Guidelines for the assessment of bone density and microarchitecture in vivo using high-resolution peripheral quantitative computed tomography. Osteoporos Int (2020). https://doi.org/10.1007/s00198-020-05438-5

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    About ASBMR 

    The American Society for Bone and Mineral Research (ASBMR) is the leading professional, scientific and medical society established to bring together clinical and experimental scientists involved in the study of bone and mineral metabolism. ASBMR encourages and promotes the study of this expanding field through annual scientific meetings, the Journal of Bone and Mineral Research® and JBMR Plus, the Primer on Metabolic Bone Diseases and Disorders of Mineral Metabolism, advocacy and interaction with government agencies and related societies. To learn more about upcoming meetings and publications, please visit www.asbmr.org.  

     

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