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The Journal of Bone and Joint Surgery 81:1446-9 (1999)
© 1999 The Journal of Bone and Joint Surgery, Inc.

Early Osteolysis Following Total Hip Arthroplasty with Use of a Hylamer Liner in Combination with a Modular Ceramic Femoral Head. A Case Report*

BRADLEY K. VAUGHN, M.D.{dagger}, THOMAS B. DAMERON, JR., M.D.{dagger}, RALEIGH, THOMAS W. BAUER, M.D., PH.D.{ddagger}, YUICHI MOCHIDA, M.D.{ddagger}, TOSHIHIRO AKISUE, M.D., PH.D.{ddagger}, CLEVELAND, OHIO and ROBERT W. EBERLE, §, RALEIGH, NORTH CAROLINA

Investigation performed at the Raleigh Orthopaedic Clinic, P.A., Raleigh


   Introduction
 
In an effort to improve the surface and wear characteristics of ultra-high molecular weight polyethylene, an enhanced ultra-high molecular weight polyethylene (Hylamer; DePuy-DuPont Orthopaedics, Wilmington, Delaware)6 was introduced in 1991. It was anticipated that the wear characteristics of a Hylamer acetabular surface in combination with a ceramic modular femoral head would improve the long-term performance of prostheses in young, active patients4,25. Several recent reports, however, have described wear and early osteolysis in association with Hylamer acetabular liners coupled with cobalt-chromium modular femoral heads manufactured by various companies3,15. The purpose of the current report is to describe rapid wear and early osteolysis following use of a Hylamer acetabular liner in combination with a ceramic femoral head made by the same manufacturer.


   Case Report
 
In April 1994, a total hip arthroplasty was performed on a thirty-three-year-old woman (height, 167 centimeters; weight, fifty-two kilograms) who had arthritis due to congenital dysplasia of the . . . [Full Text of this Article]


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M. Visentin, S. Stea, S. Squarzoni, M. Reggiani, C. Fagnano, B. Antonietti, and A. Toni
Isolation and Characterization of Wear Debris Generated in Patients Wearing Polyethylene Hylamer Inserts, Gamma Irradiated in Air
J Biomater Appl, October 1, 2005; 20(2): 103 - 121.
[Abstract] [PDF]