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Medial Congruent vs Cruciate-Retaining Bearings in TKA: No Difference in Fixation at 2 Years
August 2025
Medial Congruent vs Cruciate-Retaining Bearings in TKA: No Difference in Fixation at 2 Years
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:1
Does a medial congruent bearing in total knee arthroplasty compromise fixation? A randomized controlled trial.
Knee . 2025 Mar:53:19-27.Did you know you're eligible to earn 0.5 CME credits for reading this report? Click Here
Synopsis
Sixty patients with osteoarthritis undergoing cemented total knee arthroplasty were randomized to receive either a medial congruent (MC) bearing (n=30) or a cruciate-retaining (CR) bearing (n=30). The primary outcome was tibial implant migration at 2 years, measured by maximal total point motion (MTPM) using radiostereometric analysis (RSA). Secondary outcomes included other RSA migration/rotation...
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