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Component Size Mismatch of Metal on Metal Hip Arthroplasty: An Avoidable Never Event.

Whittaker, R, Hexter, A, Hothi, H, Panagiotidou, A, Bills, Paul J., Skinner, John and Hart, A. J. (2014) Component Size Mismatch of Metal on Metal Hip Arthroplasty: An Avoidable Never Event. Journal of Arthroplasty, 29 (8). pp. 1629-1634. ISSN 0883-5403

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Abstract

Size mismatch of components used in total hip arthroplasty is a serious, preventable patient safety incident of unknown prevalence as many cases are not detected. Component size mismatch was found in 11 cases (0.9%) at our retrieval centre. All cases of mismatch were not detected on plain radiograph during routine clinical follow up and blood metal ion levels were elevated above the MHRA action level of 7ppb. Root cause analysis identified manufacturer, hospital and surgeon factors that need to be addressed to reduce the incidence of this avoidable clinical problem. Retrieval analysis is the only method of confirming size mismatch and is likely to be under-represented in National Joint Registries that record the indication for revision at the time of revision.

Item Type: Article
Subjects: Q Science > QC Physics
R Medicine > RD Surgery
T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering > Centre for Precision Technologies > EPSRC Centre for Innovative Manufacturing in Advanced Metrology
School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
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Depositing User: Paul Bills
Date Deposited: 22 Apr 2014 10:59
Last Modified: 09 Sep 2014 11:03
URI: http://eprints.hud.ac.uk/id/eprint/20082

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