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Case Reports
Successful salvage of a recurrently dislocating Oxford medial unicompartmental bearing.
- Tony G van Tienen, Susan J Taylor, and Rodney B Brink.
- Orthopaedic Department, Radboud University Medical Center, Nijmegen, The Netherlands.
- J Arthroplasty. 2010 Apr 1;25(3):497.e17-9.
AbstractDislocation of the bearing of the Oxford medial unicompartmental arthroplasty is a rare but serious complication. We report the case of a 48-year-old woman with a classic anteromedial arthritis who had 2 bearing dislocations within the first 3 months after index surgery. These were attributable to posterior bony impingement of the bearing against a small retained osteophyte. After arthroscopic resection of the osteophyte, she has retained her original components with no further dislocations or signs of impending failure 7 years later. This case report emphasizes the importance of osteophyte removal from the back of the femoral condyle during an Oxford unicompartmental arthroplasty.(c) 2010 Elsevier Inc. All rights reserved.
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