Document Detail

Long term survival of an hydroxyapatite-coated threaded cup in the presence of a high polythene wear rate.
MedLine Citation:
PMID:  20640996     Owner:  NLM     Status:  MEDLINE    
We describe the long term clinical results and polythene wear rate measurement of 144 uncemented total hip arthroplasties in 118 patients (Male: Female-65: 53, Mean age: 52.8 years (range 21-78 years) performed between 1988 and 2000 using the Furlong HAC coated threaded acetabular cup. The mean follow-up for the group was 10.2 years (range: 5-17.5, median: 9.7). One femoral stem and two acetabular shells were revised due to aseptic loosening. The mean polythene wear rate was 0.24 mm/year. Ten-year survival for the acetabular and femoral components with radiological evidence of aseptic loosening as an end point was 99.15 (CI: 98.3-99.9) and 99.28 (CI: 98.5-99.9). There was no evidence of osteolysis around the femoral or acetabular components in spite of a relatively high polythene wear rate (0.24 mm/year). Our study demonstrates excellent survival of threaded HAC coated acetabular sockets at 10 years in spite of a relatively high polythene wear rate.
Sandeep P Datir; Peter D Angus
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Hip international : the journal of clinical and experimental research on hip pathology and therapy     Volume:  20     ISSN:  1724-6067     ISO Abbreviation:  Hip Int     Publication Date:    2010 Jul-Sep
Date Detail:
Created Date:  2010-07-26     Completed Date:  2010-10-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9200413     Medline TA:  Hip Int     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  327-34     Citation Subset:  IM    
Department of Orthopaedics and Trauma, Dewsbury and District Hospital, Dewsbury, West Yorks, UK.
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MeSH Terms
Arthroplasty, Replacement, Hip / adverse effects,  instrumentation*,  methods
Coated Materials, Biocompatible*
Hip Joint / pathology,  radiography,  surgery*
Hip Prosthesis*
Middle Aged
Prosthesis Design
Prosthesis Failure*
Time Factors
Young Adult
Reg. No./Substance:
0/Coated Materials, Biocompatible; 1306-06-5/Durapatite; 9002-88-4/Polyethylene

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

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