Document Detail


What is the midterm survivorship and function after hip resurfacing?
MedLine Citation:
PMID:  20574804     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Hip resurfacing arthroplasty is a common procedure that improves functional scores and has a reported survivorship between 95% and 98% at 5 years. However, most studies are reported from the pioneering rather than independent centers or have relatively small patient numbers or less than five years followup. Various factors have been implicated in early failure.
QUESTIONS/PURPOSES: Our purposes were to determine: (1) the midterm survival of the BHR; (2) the function in patients treated with hip resurfacing; and (3) whether age, gender, BMI, or size of components related to failure.
METHODS: We reviewed the first 302 patients (329 hips) on whom we performed resurfacing arthroplasty. We assessed the survivorship, change in functional hip scores (HHS, OHS, WOMAC, UCLA), and analyzed potential risk factors (age, gender, BMI, component size) for failure. The mean age at the time of surgery was 56.0 years (range, 28.2-75.5 years). The minimum followup was 5 years (mean, 6.6 years; range, 5-9.2 years).
RESULTS: Kaplan-Meier analysis showed survival of 96.5% (95% CI, 94.7-98.4) at 9 years taking revision for any cause as the endpoint. All functional hip scores (HHS, OHS, WOMAC, UCLA) improved. Survivorship was higher in men compared with women. The component sizes and body mass index were smaller in the revised group compared with the nonrevised group.
CONCLUSIONS: Medium-term survivorship and functional scores of hip resurfacing are comparable to those from the pioneering center. Hip resurfacing remains a good alternative to THA, particularly in the younger male population with relatively large femoral head sizes.
Authors:
Luthfur Rahman; Sarah K Muirhead-Allwood; Muhannad Alkinj
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  468     ISSN:  1528-1132     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-08     Completed Date:  2010-12-06     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3221-7     Citation Subset:  AIM; IM    
Affiliation:
The London Hip Unit, 30 Devonshire Street, London, W1G 6PU, UK. luthfur.rahman@doctors.org.uk
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Arthroplasty, Replacement, Hip* / adverse effects,  instrumentation
Female
Hip Joint / physiopathology,  radiography,  surgery*
Hip Prosthesis
Humans
Kaplan-Meier Estimate
London
Male
Middle Aged
Prosthesis Design
Prosthesis Failure
Range of Motion, Articular
Recovery of Function
Reoperation
Retrospective Studies
Sex Factors
Time Factors
Treatment Outcome
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