Feature Article

The Role of Implant Constraint in Revision Total Knee Replacement: Striking the Balance

J. A. Gallagher, MD, FRACS; R. B. Bourne, MD, FRCSC

  • Orthopedics
  • September 2004 - Volume 27 · Issue 9:
  • DOI:

EXCERPT

Sacrifice of the posterior cruciate ligament (PCL) in revision total knee replacement (TKR) is common, aiding in exposure, restoration of the flexion space, obtaining postoperative stability, and improving the clinical outcomes. Several PCL substituting implants are available including deep-dished, post-and-cam, varus/valgus constrained, and hinge implants. Use of the least constrained implant possible has been advised in the literature.1-5

This article attempts to answer the question when a constrained (varus/valgus constrained or hinge TKR) revision implant should be used.
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AUTHORS

From London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada.

Reprint requests: R.B. Bourne, MD, FRCSC, London Health Sciences Centre, 339 Windermere Rd, London, Ontario, Canada N6A 5A5.

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