Simultaneous mobile- and fixed-bearing total knee replacement in the same patients

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  • Y.-H. Kim
    The Joint Replacement Center of Korea, Ewha Womans University, DongDaeMun Hospital 70, ChongRo 6-Ga, ChongRo-Gu, Seoul (110-783), Korea.
  • D.-Y. Kim
    The Joint Replacement Center of Korea, Ewha Womans University, DongDaeMun Hospital 70, ChongRo 6-Ga, ChongRo-Gu, Seoul (110-783), Korea.
  • J.-S. Kim
    The Joint Replacement Center of Korea, Ewha Womans University, DongDaeMun Hospital 70, ChongRo 6-Ga, ChongRo-Gu, Seoul (110-783), Korea.

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  • A PROSPECTIVE COMPARISON OF MID-TERM OUTCOMES USING A SIMILAR DESIGN OF PROSTHESIS

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<jats:p> We conducted a randomised prospective study to evaluate the clinical and radiological results of a mobile- and fixed-bearing total knee replacement of similar design in 174 patients who had bilateral simultaneous knee replacement. The mean follow-up was for 5.6 years (5.2 to 6.1). </jats:p><jats:p> The total knee score, pain score, functional score and range of movement were not statistically different (p > 0.05) between the two groups. Osteolysis was not seen in any knee in either group. Two knees (1%) in the mobile-bearing group required revision because of infection; none in the fixed-bearing group needed revision. Excellent results can be achieved with both mobile- and fixed-bearing prostheses of similar design at mid-term follow-up. We could demonstrate no significant clinical advantage for a mobile bearing. </jats:p>

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