Arthroplasty Today (2021-04-01)

Catastrophic Failures of the Tibial Post in a Bicruciate Substituting Total Knee Prosthesis

  • Dominic Marino, DO,
  • Zethariah Zelinski, DO,
  • Daniel Mesko, DO,
  • Jason Cochran, DO

Journal volume & issue
Vol. 8
pp. 231 – 236


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Failure of the tibial post in a bicruciate substituting total knee prosthesis is a rare but catastrophic complication. The authors report 2 cases of a fracture of the polyethylene tibial post with subsequent episodes of knee subluxation. Prompt recognition and early revision of these complications are associated with a favorable early outcome.