8 Facts about Revision Knee Replacement

Revision Knee Replacement 1

  • It means to remove the old implant and put a new one.
  • The most common causes are Aseptic Loosening, Infection, Instability, Fracture involving the implant.
  • When we improve the implant, part of the bone comes out, and ligaments get stretched. So the implant that we put will be of the next level, i.e., more constrained.
  • In case of infection, we will do it in 2 stages. In the first stage, we remove the affected implant, clean the surfaces, apply Antibiotic laden cement. Wait for 6-8 weeks and then reoperate, remove the cement spacers, clean and, put the new implant.
  • In non-infectious cases, We can do revise in a single-stage.
  • Revisions are usually of all the components, but in very early mild infections, we can debride and change only the poly insert.
  • The Patient has to be optimized as the duration of Surgery is much longer than the primary surgery.
  • The more constrained the Implant design, the life span of the implant decreases.

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