Reliability of a PowerPoint Method for Wear Measurement After Total Hip Arthroplasty. A Retrieval Study Using 3-Dimensional Laser Scanning

Ho Hyun Yun, Won Yong Shon, Jung Ro Yoon, Jae Hyuk Yang, Deuk Soo Lim

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    The purpose of this study was to evaluate the reliability of the PowerPoint (PP) (2007 Version; Microsoft, Redmond, Wash) method for measuring polyethylene liner wear after total hip arthroplasty. Seventeen retrieved polyethylene liners were included in this study. Wear volumes were calculated using the PP, the Dorr and Wan, and 3-dimensional (3D) laser scanning methods. Spearman correlation coefficients for wear volume results indicated strong correlations between the PP and 3D laser scanning methods (range, 0.89-0.93). On the other hand, Spearman correlation analysis revealed only moderate correlations between the Dorr and Wan and 3D laser scanning methods (range, 0.67-0.77). The PP method can be used to monitor linear wear after total hip arthroplasty and could serve as an alternative method when computerized methods are not available.

    Original languageEnglish
    Pages (from-to)1530-1537
    Number of pages8
    JournalJournal of Arthroplasty
    Volume27
    Issue number8
    DOIs
    Publication statusPublished - 2012 Sep 1

    Keywords

    • Hip
    • PowerPoint method
    • Total hip arthroplasty
    • Wear
    • Wear measurement

    ASJC Scopus subject areas

    • Orthopedics and Sports Medicine

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