Document Detail

New polyethylenes in total hip replacement: A ten- to 12-year follow-up study.
MedLine Citation:
PMID:  23450015     Owner:  NLM     Status:  In-Data-Review    
Between 1999 and 2001, 90 patients underwent total hip replacement using the same uncemented acetabular and femoral components with a 28 mm metallic femoral head but with prospective randomisation of the acetabular liner to either Durasul highly cross-linked polyethylene or nitrogen-sterilised Sulene polyethylene. We assessed 83 patients at a minimum follow-up of ten years. Linear penetration of the femoral head was estimated at six weeks, six and 12 months and annually thereafter, using the Dorr method, given the non-spherical shape of the acetabular component. There was no loosening of any component; only one hip in the Sulene group showed proximal femoral osteolysis. The mean penetration of the femoral head at six weeks was 0.08 mm (0.02 to 0.15) for the Durasul group and 0.16 mm (0.05 to 0.28) for the Sulene group (p = 0.001). The mean yearly linear penetration was 64.8% lower for the Durasul group at 0.05 mm/year (sd 0.035) for the Sulene group and 0.02 mm/year (sd 0.016) for the Durasul (p < 0.001). Mean linear femoral head penetration at ten years was 61% less in the Durasul than Sulene group. Highly cross-linked polyethylene gives excellent results at ten years. Cite this article: Bone Joint J 2013;95-B:326-32.
E García-Rey; E García-Cimbrelo; A Cruz-Pardos
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The bone & joint journal     Volume:  95-B     ISSN:  2049-4408     ISO Abbreviation:  Bone Joint J     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-03-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101599229     Medline TA:  Bone Joint J     Country:  England    
Other Details:
Languages:  eng     Pagination:  326-32     Citation Subset:  AIM; IM    
Hospital Universitario La Paz, Orthopaedics Department - IDi Paz, P° Castellana 261, 28046 Madrid, Spain.
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