Document Detail

Reduction of osteolysis with use of Marathon cross-linked polyethylene. A concise follow-up, at a minimum of five years, of a previous report.
MedLine Citation:
PMID:  18594097     Owner:  NLM     Status:  MEDLINE    
We previously reported wear data at a minimum of two years following thirty-four total hip replacements with a Marathon cross-linked polyethylene liner and twenty-four replacements with a conventional (gamma-sterilized-in-air) Enduron polyethylene liner. In this current study, with sequential five-year radiographs, wear rates were determined with use of linear regression analysis. The Marathon polyethylene had average wear rates of 15.4 mm(3)/yr and 8.0 mm(3)/million cycles. The Enduron polyethylene had average wear rates of 55.5 mm(3)/yr and 29.9 mm(3)/million cycles. The adjusted volumetric wear rate of the Marathon polyethylene was 73% lower than that of the Enduron polyethylene (p = 0.001). Osteolysis developed in eight of the twenty-four hips with an Enduron liner but was not apparent in any hip with a Marathon liner.
Rudi G Bitsch; Travis Loidolt; Christian Heisel; Scott Ball; Thomas P Schmalzried
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Journal of bone and joint surgery. American volume     Volume:  90     ISSN:  1535-1386     ISO Abbreviation:  J Bone Joint Surg Am     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-07-02     Completed Date:  2008-07-16     Revised Date:  2010-10-25    
Medline Journal Info:
Nlm Unique ID:  0014030     Medline TA:  J Bone Joint Surg Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1487-91     Citation Subset:  AIM; IM    
Stiftung Orthopädische Universitätsklinik, Schlierbacher Landstrasse 200A, 69118 Heidelberg, Germany.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Hip*
Biocompatible Materials*
Follow-Up Studies
Joint Prosthesis*
Middle Aged
Osteolysis / prevention & control*
Prosthesis Failure
Reg. No./Substance:
0/Biocompatible Materials; 9002-88-4/Polyethylene

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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