Document Detail

Wear and range of motion of different femoral head sizes.
MedLine Citation:
PMID:  19775859     Owner:  NLM     Status:  MEDLINE    
Femoral head sizes greater than 32 mm are more prevalent with current total hip arthroplasty. We hypothesized that linear wear rates of Durasul highly cross-linked polyethylene would not differ with different head sizes. We also compared the range of motion of the hip. Ninety-four consecutive arthroplasties in 84 patients were studied for a mean 3.6 +/- 0.7 years. There was no statistical difference in linear wear rates and annual or total penetration rates when 28-mm and 32-mm heads were compared to 38-mm and 44-mm heads. Volumetric wear was 12.4 mm(3)/y higher with bigger heads. Range of motion did not differ. Larger femoral head sizes show no evidence of an accelerated wear pattern when used with Durasul.
Eric Mark Hammerberg; Zhinian Wan; Manish Dastane; Lawrence D Dorr
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-09-23
Journal Detail:
Title:  The Journal of arthroplasty     Volume:  25     ISSN:  1532-8406     ISO Abbreviation:  J Arthroplasty     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-08-24     Completed Date:  2010-12-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703515     Medline TA:  J Arthroplasty     Country:  United States    
Other Details:
Languages:  eng     Pagination:  839-43     Citation Subset:  IM    
Copyright Information:
Copyright 2010. Published by Elsevier Inc.
The Arthritis Institute at Good Samaritan Hospital, Los Angeles, California 90017, USA.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Hip*
Chromium Alloys
Femur Head*
Hip Joint
Hip Prosthesis* / adverse effects
Middle Aged
Prosthesis Failure*
Range of Motion, Articular*
Reg. No./Substance:
0/Chromium Alloys; 9002-88-4/Polyethylene

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

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