Range of Motion In High Flexion Total Knee Arthroplasty vs. Standard Posterior Stabilized Total Knee Arthroplasty A Prospective, Randomized Study
Range of motion after knee replacement is an important factor in overall outcome. The purpose was to compare motion in patients receiving high flexion prosthesis vs. standard prosthesis. 24 high flexion and standard knee prostheses were used. Patients were followed for two years and evaluated prospectively. The mean HSS was 80.4 for the standard group and 80.7 for the flexion group. At two year follow up the standard prosthesis group had mean flexion of 113°. The high flexion prosthesis group had mean flexion 106°. No knee had aseptic loosening, infection, or osteolysis. At two year follow up, there were no significant differences between groups with regard to range of motion, clinical outcome, or radiographic evaluation.
Keywords: total knee arthroplasty, high flexion, range of motion
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