Volume 65A, Issue 1 pp. 95-108

The nature and dissemination of UHMWPE wear debris retrieved from periprosthetic tissue of THR

Alistair P. D. Elfick

Corresponding Author

Alistair P. D. Elfick

Centre for Biomedical Engineering, University of Durham, South Road, Durham, DH1 3LE, United Kingdom

Centre for Biomedical Engineering, University of Durham, South Road, Durham, DH1 3LE, United KingdomSearch for more papers by this author
Sarah M. Green

Sarah M. Green

Centre for Biomedical Engineering, University of Durham, South Road, Durham, DH1 3LE, United Kingdom

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Steve Krikler

Steve Krikler

University Hospitals Coventry and Warwick NHS Trust, Stoney Stanton Road, Coventry, CV1 4FH, United Kingdom

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Anthony Unsworth

Anthony Unsworth

Centre for Biomedical Engineering, University of Durham, South Road, Durham, DH1 3LE, United Kingdom

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First published: 03 March 2003
Citations: 48

Abstract

The role of wear debris in provoking joint replacement failure through bone resorption is now supported by much research. This study presents the analysis of 104 tissue samples using laser diffraction wear particle analysis in conjunction with standard histologic methods. The number and volume distributions were correlated to a range of joint and patient parameters. The median particle diameter by number was 0.69 μm. No particles smaller than 0.113 μm were resolved. No variation in terms of particle distribution was found among joint types. The ability of particles to migrate away from their point of origin was found to be inversely proportional to their size. The numbers of particles per gram of tissue found in various regions around the prosthesis varied little. Further, the numbers of particles in tissue samples shown to have a chronic foreign-body reaction was > 1 × 109 particles/gram. © 2003 Wiley Periodicals, Inc. J Biomed Mater Res 65A: 95–108, 2003

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