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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sillesen, Nanna H. Greene, Meridith E. Nebergall, Audrey K. Nielsen, Poul T. Laursen, Mogens B. Troelsen, Anders Malchau, Henrik |
| Description | Country affiliation: Denmark Author Affiliation: Sillesen NH ( Harris Orthopaedic Laboratory, Massachusetts General Hospital, Boston, Massachusetts); Greene ME ( Harris Orthopaedic Laboratory, Massachusetts General Hospital, Boston, Massachusetts.); Nebergall AK ( Harris Orthopaedic Laboratory, Massachusetts General Hospital, Boston, Massachusetts.); Nielsen PT ( Department of Orthopaedics, Aalborg University Hospital, Aalborg, Denmark.); Laursen MB ( Department of Orthopaedics, Aalborg University Hospital, Aalborg, Denmark.); Troelsen A ( Department of Orthopedics, Clinical Orthopedic Research Hvidovre, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark.); Malchau H ( Harris Orthopaedic Laboratory, Massachusetts General Hospital, Boston, Massachusetts.) |
| Abstract | Vitamin E diffusion into highly cross-linked polyethylene (E-XLPE) is a method for enhancing oxidative stability of acetabular liners. The purpose of this study was to evaluate in vivo penetration of E-XLPE using radiostereometric analysis (RSA). Eighty-four hips were recruited into a prospective 10-year RSA. This is the first evaluation of the multicenter cohort after 3-years. All patients received E-XLPE liners (E1, Biomet) and porous-titanium coated cups (Regenerex, Biomet). There was no difference (P=0.450) in median femoral head penetration into the E-XLPE liners at 3-years comparing cobalt-chrome heads (-0.028mm; inter-quartile range (IQR) - 0.065 to 0.047) with ceramic heads (-0.043mm, IQR - 0.143to0.042). The 3-year follow-up indicates minimal E-XLPE liner penetration regardless of head material and minimal early cup movement. |
| File Format | HTM / HTML |
| ISSN | 08835403 |
| Issue Number | 7 |
| Volume Number | 30 |
| e-ISSN | 15328406 |
| Journal | The Journal of Arthroplasty |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-07-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Orthopedics Arthroplasty, Replacement, Hip Instrumentation Cross-linking Reagents Chemistry Hip Prosthesis Polyethylene Prosthesis Design Radiostereometric Analysis Methods Vitamin E Acetabulum Surgery Adult Aged Ceramics Chromium Alloys Cobalt Female Femur Head Follow-up Studies Humans Male Middle Aged Oxygen Patient Safety Prospective Studies Prosthesis Failure Time Factors Titanium Journal Article Multicenter Study Observational Study |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine |
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