EFORT Open Rev. 2018 Aug; 3(8): 442–448.

Update on unicompartmental knee arthroplasty

Michele Vasso,1 Alexander Antoniadis,2 and Naeder Helmy2
  • Despite the excellent success rates of modern implants, unicompartmental knee arthroplasty (UKA) continues to show relatively high failure and revision rates, especially when compared with total knee arthroplasty (TKA).
  • These higher rates of failure and revision are mainly observed during the early (< 5 years) post-operative period and are often due to incorrect indications and/or surgical errors.
  • The correct clinical and radiological indications for UKA have therefore been analysed and correlated as far as possible with the principal mechanisms and timing of failures of UKA.

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