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The results of uncemented total hip replacement in children with juvenile idiopathic arthritis at ten years.
MedLine Citation:
PMID:  23188901     Owner:  NLM     Status:  In-Data-Review    
The inherent challenges of total hip replacement (THR) in children include the choice of implant for the often atypical anatomical morphology, its fixation to an immature growing skeleton and the bearing surface employed to achieve a successful long-term result. We report the medium-term results of 52 consecutive uncemented THRs undertaken in 35 paediatric patients with juvenile idiopathic arthritis. The mean age at the time of surgery was 14.4 years (10 to 16). The median follow-up was 10.5 years (6 to 15). During the study period 13 THRs underwent revision surgery. With revision as an endpoint, subgroup analysis revealed 100% survival of the 23 ceramic-on-ceramic THRs and 55% (16 of 29) of the metal- or ceramic-on-polyethylene. This resulted in 94% (95% CI 77.8 to 98.4) survivorship of the femoral component and 62% (95% CI 41.0 to 78.0) of the acetabular component. Revision of the acetabular component for wear and osteolysis were the most common reasons for failure accounting for 11 of the 13 revisions. The success seen in patients with a ceramic-on-ceramic articulation seems to indicate that this implant strategy has the potential to make a major difference to the long-term outcome in this difficult group of patients.
J S Daurka; A K Malik; D A Robin; J D Witt
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of bone and joint surgery. British volume     Volume:  94     ISSN:  0301-620X     ISO Abbreviation:  J Bone Joint Surg Br     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375355     Medline TA:  J Bone Joint Surg Br     Country:  England    
Other Details:
Languages:  eng     Pagination:  1618-24     Citation Subset:  AIM; IM    
St George's Healthcare NHS Trust, Blackshaw Road, Tooting, London SW17 0QT, UK.
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