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Total knee arthroplasty with modular rotating-platform hinge.

Richard E Jones1

  • 1Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, Dallas, USA.

Orthopedics
|September 28, 2006
PubMed
Summary
This summary is machine-generated.

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Third-generation rotating hinged knee systems offer enhanced torsional stability and bone defect management for revision total knee arthroplasty (TKA). Midterm results show excellent outcomes with no mechanical failures in 65 patients.

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Arthroplasty

Background:

  • Third-generation modular rotating hinged knee systems are increasingly utilized.
  • These systems address complex challenges in revision total knee arthroplasty (TKA).

Purpose of the Study:

  • To evaluate the efficacy and outcomes of the S-ROM rotating hinge system in revision TKA.
  • To highlight indications for hinge use in both revision and primary TKA.

Main Methods:

  • The S-ROM rotating hinge system, featuring slotted/splined stems and metaphyseal sleeves, was used.
  • Patient data from 65 cases were reviewed for midterm outcomes.

Main Results:

  • Excellent midterm results were reported, with no mechanical failures observed.

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  • Positive bone remodeling was noted in the studied patient cohort.
  • The system effectively managed bony defects and provided stability.

    • Conclusions:

    • The S-ROM rotating hinge system demonstrates excellent midterm performance in revision TKA.
    • It is indicated for severe bone loss, collateral deficiency, and specific primary TKA cases requiring hyperextension control.