Document Detail

Metal-on-metal hip arthroplasty in patients thirty years of age or younger.
MedLine Citation:
PMID:  20962192     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Total hip arthroplasty in patients younger than thirty years of age represents a long-term challenge. As polyethylene wear secondary to a high activity level could be problematic, hard-on-hard bearings have been proposed to reduce wear. The aim of this retrospective case series was to assess the clinical and radiographic results of primary metal-on-metal total hip arthroplasty in patients thirty years of age or younger. METHODS: We retrospectively studied thirty-four patients (forty-seven hips) who had undergone metal-on-metal total hip arthroplasty and analyzed the radiographic and clinical measurements after a mean duration of follow-up of 108 months (range, 62.4 to 153.6 months). The mean age of the patients at the time of surgery was twenty-five years (range, fifteen to thirty years). The diameter of the head of the femoral component was 28 mm in all hips except five, in which it was 32 mm. The metal-on-metal bearing was the same in all patients. RESULTS: The mean Merle d'Aubigné score increased from 10.6 (range, 1 to 14) to 17.1 (range, 12 to 18). No wear was found on the latest radiograph, but osteolysis was noted in three femora and two acetabula. Two revisions were performed, one because of impingement secondary to cup malorientation and the other because of acetabular loosening with osteolysis. Kaplan-Meier analysis with revision of either component as the end point revealed a ten-year survival rate of 94.5% (95% confidence interval, 80% to 98.6%). The survival rate of the femoral stem was 100%. CONCLUSIONS: These encouraging intermediate-term results indicate that hip arthroplasty with metal-on-metal bearing components may be a suitable solution for young and active patients with hip osteoarthritis or osteonecrosis of the femoral head.
Julien Girard; Donatien Bocquet; Guillaume Autissier; Nicolas Fouilleron; Damien Fron; Henri Migaud
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of bone and joint surgery. American volume     Volume:  92     ISSN:  1535-1386     ISO Abbreviation:  J Bone Joint Surg Am     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-21     Completed Date:  2010-11-05     Revised Date:  2010-11-16    
Medline Journal Info:
Nlm Unique ID:  0014030     Medline TA:  J Bone Joint Surg Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2419-26     Citation Subset:  AIM; IM    
Orthopaedic Department, Roger Salengro Hospital, Centre Hospitalier Régional Universitaire de Lille, 2 avenue Oscar Lambret, 59037 Lille Cedex, France.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Arthroplasty, Replacement, Hip*
Femur Head Necrosis / surgery
Hip Prosthesis*
Osteoarthritis, Hip / surgery
Prosthesis Design
Prosthesis Failure
Retrospective Studies
Treatment Outcome
Young Adult
Reg. No./Substance:

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

Previous Document:  In vivo oxidation in remelted highly cross-linked retrievals.
Next Document:  Interobserver reliability of radiographic measurements of contralateral feet of pediatric patients w...