Document Detail

The John Charnley Award: The functional outcome of hip resurfacing and large-head THA is the same: a randomized, double-blind study.
MedLine Citation:
PMID:  19543863     Owner:  NLM     Status:  MEDLINE    
Better functional outcome is believed by some to occur after hip resurfacing (HR) than conventional 28-mm total hip arthroplasty (THA) in young and active patients with hip osteoarthritis. However, the postulated superior outcome of HR over THA may simply be the result of a bias in patient selection or the use of a larger femoral head. We therefore asked whether HR would demonstrate superior functional outcome when compared with a THA with a large-diameter femoral head in a randomized, double-blind study. Gait speed and postural balance evaluations, functional tests, and clinical data were analyzed preoperatively and at 3, 6, and 12 months after surgery. Gait speed was used as the primary outcome measure. Forty-eight patients were randomized in the study and a third group of 14 healthy subjects served as controls. The gait speed and postural balance evaluations, the performance at most functional tests, and clinical scores were similar in HR and large-head THA groups at each followup period. The operated patients reached most control group values at 3 months postoperatively. By these measures, HR did not provide better clinical function over large-head THA. Level of Evidence: Level I, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.
Martin Lavigne; Marc Therrien; Julie Nantel; Alain Roy; François Prince; Pascal-André Vendittoli
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2009-06-20
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  468     ISSN:  1528-1132     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-01-15     Completed Date:  2010-02-08     Revised Date:  2013-06-02    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  326-36     Citation Subset:  AIM; IM    
Maisonneuve-Rosemont Hospital, 5415 Assomption Boulevard, Montreal, Quebec, H1T 2M4, Canada.
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MeSH Terms
Arthroplasty, Replacement, Hip / instrumentation*
Awards and Prizes
Double-Blind Method
Hip Joint / physiopathology,  radiography,  surgery*
Hip Prosthesis*
Joint Diseases / physiopathology,  radiography,  surgery*
Middle Aged
Postural Balance
Prosthesis Design
Recovery of Function
Time Factors
Treatment Outcome
Comment In:
Clin Orthop Relat Res. 2010 Nov;468(11):3134   [PMID:  20717857 ]
J Bone Joint Surg Am. 2010 Nov 17;92(16):2734   [PMID:  21084586 ]

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

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