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Review Question - QID 218994

Unicompartmental Knee Replacement Complications Aseptic loosening QID: 218994 (OBQ22.170)
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QID 218994 (Type "218994" in App Search)
A 47-year-old woman presents to the clinic with medial joint line pain that has progressively worsened over the past 3 years. She has undergone a trial of physical therapy, NSAIDs, and corticosteroid injections however the pain is recalcitrant to conservative measures. After a prolonged discussion with her surgeon, she elects to proceed with a medial unicompartmental knee arthroplasty (UKA). Her immediate post-operative radiographs are shown in Figure A. Unfortunately, she requires a conversion to a total knee arthroplasty 2 years later. What is the most common cause for early UKA failure?
  • A
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  • A