Document Detail

Revision of hip resurfacing arthroplasty.
MedLine Citation:
PMID:  20882209     Owner:  NLM     Status:  MEDLINE    
Metal-on-metal (MOM) hip resurfacing has become an increasingly popular treatment for young, active patients with degenerative disease of the hip, as bearing surfaces with better wear properties are now available. One proposed advantage of resurfacing is its ability to be successfully revised to total hip arthroplasty (THA). In addition, radiographic parameters that may predict failure in hip resurfacing have yet to be clearly defined. Seven MOM resurfacing arthroplasties were converted to conventional THAs because of aseptic failure. Using Harris Hip Scores (HHS) and Short Form 12 (SF-12) questionnaire scores, we compared the clinical outcomes of these patients with those of patients who underwent uncomplicated MOM hip resurfacing. In addition, all revisions were radiographically evaluated. Mean follow-up periods were 51 months (revision group) and 43 months (control group). There was no significant difference between the 2 groups' HHS or SF-12 scores. There was no dislocation or aseptic loosening after conversion of any resurfacing arthroplasty. Valgus neck-shaft angle (P < .03) was associated with aseptic failure of MOM hip resurfacing. Conversion of aseptic failure of hip resurfacing to conventional THA leads to clinical outcomes similar to those of patients who undergo uncomplicated hip resurfacing. The orientation of the femur and the components placed play a large role in implant survival in hip resurfacing. More work needs to be done to further elucidate these radiographic parameters.
Glenn D Wera; Robert J Gillespie; Carter Petty; William J Petersilge; Matthew J Kraay; Victor M Goldberg
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of orthopedics (Belle Mead, N.J.)     Volume:  39     ISSN:  1934-3418     ISO Abbreviation:  Am J. Orthop.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-09-30     Completed Date:  2011-01-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9502918     Medline TA:  Am J Orthop (Belle Mead NJ)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  E78-83     Citation Subset:  IM    
Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio 44106, USA.
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MeSH Terms
Arthroplasty, Replacement, Hip / adverse effects,  methods*
Femoral Neck Fractures / etiology,  radiography,  surgery
Health Status
Hip Joint / physiopathology,  radiography,  surgery
Hip Prosthesis*
Middle Aged
Pain, Postoperative / etiology,  physiopathology
Prosthesis Failure*
Quality of Life
Recovery of Function
Treatment Outcome

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

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