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dc.contributor.authorCampbell, D.-
dc.contributor.authorMercer, G.-
dc.contributor.authorNilsson, G.-
dc.contributor.authorWells, V.-
dc.contributor.authorField, J.-
dc.contributor.authorCallary, S.-
dc.identifier.citationEuropean Journal of Orthopaedic Surgery and Traumatology, 2009; 20(1):23-27-
dc.description.abstractWear induced peri-prosthetic osteolysis and aseptic loosening remain the major contributing factors to failure of total hip arthroplasty. To reduce wear particles from acetabular liners, the process of polyethylene cross-linking has been modified. In this study, we examine the wear of Marathon™ acetabular liners using Radiostereometric Analysis. Thirty patients were enrolled in a prospective cohort study. Femoral head penetration was calculated for 25 patients at 6 months, 1 and 2 years postoperatively. The mean proximal head penetration was 0.067 mm at 6 months, 0.113 mm at 1 year and 0.120 mm at 2 years. The mean three-dimensional femoral head penetration was 0.240 mm at 6 months, 0.230 mm at 1 year and 0.232 mm at 2 years. For both parameters, there was no measurable wear between 1 and 2 years, and the mean annual linear wear was less than 0.06 mm/year, which is less than the suggested osteolysis threshold for polyethylene. All patients demonstrated a dramatic improvement in clinical scores. These results were comparable with other studies that used alternative techniques with conventional radiography to evaluate wear for Marathon™. Long-term studies using the RSA method are recommended to further quantify the clinical performance of this polyethylene liner.-
dc.description.statementofresponsibilityDavid Campbell, Graham Mercer, Kjell-Gunnar Nilsson, Vanessa Wells, John R. Field and Stuart A. Callary-
dc.publisherSpringer France-
dc.subjectRadiostereometric analysis-
dc.titleWear of a highly cross-linked polyethylene liner: a preliminary RSA study-
dc.typeJournal article-
dc.identifier.orcidCampbell, D. [0000-0002-1572-9529]-
dc.identifier.orcidCallary, S. [0000-0002-2892-5238]-
Appears in Collections:Aurora harvest
Orthopaedics and Trauma publications

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