Barry J O'Neill1, May Cleary, John P McElwain. 1. Department of Orthopaedic Surgery, The Adelaide & Meath Hospital Incorporating the National Children's Hospital, Tallaght, Dublin 24, Ireland. Electronic address: barryoneill1922@gmail.com.
Abstract
INTRODUCTION: The wear of polyethylene components is a well-recognised long-term complication of total knee arthroplasty. PRESENTATION OF CASE: We present a case of fatigue fracture of a geomedic tibial tray 17 years after implantation. The symptoms were masked by primary osteoarthritis of the contralateral knee. DISCUSSION: The mode of failure in this case differs from that most commonly reported in the literature in that it occurred late as the result of prolonged use, not due to implant failure, physiological factors, or surgical technique. The case also demonstrates the incredible 'masking' effect of arthritic knee pain. CONCLUSION: This case highlights the importance to clinicians of keeping a high index of suspicion for prosthesis complications in patients with unilateral joint replacement with contralateral arthropathy.
INTRODUCTION: The wear of polyethylene components is a well-recognised long-term complication of total knee arthroplasty. PRESENTATION OF CASE: We present a case of fatigue fracture of a geomedic tibial tray 17 years after implantation. The symptoms were masked by primary osteoarthritis of the contralateral knee. DISCUSSION: The mode of failure in this case differs from that most commonly reported in the literature in that it occurred late as the result of prolonged use, not due to implant failure, physiological factors, or surgical technique. The case also demonstrates the incredible 'masking' effect of arthritic knee pain. CONCLUSION: This case highlights the importance to clinicians of keeping a high index of suspicion for prosthesis complications in patients with unilateral joint replacement with contralateral arthropathy.
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