Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/60375
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Type: Journal article
Title: Distribution of periacetabular osteolytic lesions varies according to component design
Author: Stamenkov, R.
Howie, D.
Neale, S.
Mc Gee, M.
Taylor, D.
Findlay, D.
Citation: Journal of Arthroplasty, 2010; 25(6):913-919
Publisher: Churchill Livingstone Inc Medical Publishers
Issue Date: 2010
ISSN: 0883-5403
1532-8406
Statement of
Responsibility: 
Roumen B. Stamenkov, Donald W. Howie, Susan D. Neale, Margaret A. McGee, David J. Taylor, and David M. Findlay
Abstract: Using computed tomography, the volume, location, and number of osteolytic lesions were determined adjacent to 38 Harris-Galante 1 (HG-1) acetabular components fixed with screws and 19 porous-coated anatomic (PCA) acetabular components press-fitted without screws. The median implantation times were 16 and 15 years, respectively. The mean total lesion volumes were similar: 11.1 cm(3) (range, 0.7-49 cm(3)) and 9.8 cm(3) (range, 0.4-52 cm(3)), respectively, for hips with HG-1 and PCA components (P = .32). There was a significant difference in the proportion of rim-related, screw or screw hole-related, and combined lesions between the 2 component designs (P < .0001). HG-1 components had more screw and screw hole-related lesions, and PCA components had more rim-related lesions. Although there are concerns regarding screw and screw hole-associated osteolysis, these findings suggest that peripheral fixation may be well maintained in the long term with the use of multiple-hole acetabular components with screw fixation.
Keywords: Osteolysis
cementless THA
computed tomography
Rights: © 2010 Elsevier Inc. All rights reserved
DOI: 10.1016/j.arth.2009.08.003
Grant ID: NHMRC
Description (link): http://www.elsevier.com/wps/find/journaldescription.cws_home/623141/description#description
Published version: http://dx.doi.org/10.1016/j.arth.2009.08.003
Appears in Collections:Aurora harvest
Orthopaedics and Trauma publications

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