A 59-year-old female asked:
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is it common when having a total knee replacement the upper part is not cemented in the femur but the part in the tibia was cemented.

2 doctor answers
Dr. Sean Kearney
Specializes in Orthopedic Surgery
Knee replacements: Total knee replacements have traditionally been cemented on the femoral and tibial sides, but non-cemented versions are becoming more attractive for surgeons. Solid fixation to bone is paramount with non-cemented components. Cement is necessary if this is not achieved. In your case, the femoral component was likely well fixed, but tibial component likely required cement to ensure good fixation
Answered on Sep 14, 2015
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Dr. Frederick Buechel, jr. md
25 years experience Orthopedic Surgery
Yes, normal: This is called "Hybrid Fixation". When the femur is Un-cemented and the tibia is cemented. The long term results are equivalent to all cemented implants. There are also fully cemented installations and fully un-cemented installations. When any of these techniques are used properly, the long term fixation is similar. Best of luck to you.
Answered on Jan 7, 2019

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