Femoral component rotation comparable between cemented and hydroxyapatite-coated implants .
Cemented versus hydroxyapatite fixation of the femoral component of the Freeman- Samuelson total knee replacement-A RADIOSTEREOMETRIC ANALYSIS
J Bone Joint Surg Br. 2007 Jan;89(1):39-44.50 patients (54 knees) with non-inflammatory arthritis were randomly distributed to receive a hydroxyapatite-coated femoral component or a cemented femoral component for total knee replacement (TKR) surgery. Patients were also stratified to receive either the rotating, standard or Freeman-Samuelson (FS) 1000 component articulating surfaces. Radiostereometry analysis was performed at 3, 12 and 24 months post-operation and results indicated that after 2 years, femoral rotation was comparable between the hydroxyapetite-coated and cemented implants.
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