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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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