Arthropathy of Knee Joint Clinical Trial
Official title:
3D Motion Analysis of Evolution Medial Pivot Knee VS Posterior Stabilized Knee Arthroplasty for Osteoarthritis of the Knee.Feasibility Pilot for a Prospective Randomized Controlled Trial.
The purpose of the current study is to analyze and compare the lower-limb joint motions and muscle activation patterns during activities of daily living as well as self reported health related functional outcomes for patients with osteoarthritis of the knee undergoing one of two types of knee replacements: the Evolution Medial Pivot knee (Wright Medical) or the Triathlon Posterior Stabilized (PS) knee (Stryker Orthopaedics).
Inclusion:
40 patients between the ages of 50 and 75 yrs undergoing unilateral total knee replacement
for non-inflammatory degenerative osteoarthritis will participate, as well as 10 control
participants will be recruited from the general population for the present study matching to
experimental groups for age, gender and BMI.
Patients who do not meet any exclusion criteria.
Exclusion:
Potential participants for the control group will be asked if they have had degenerative
osteoarthritis of lower-limb joints (hip, knee and ankle) and if they have they will be
excluded.
Exclusion for patient group
1. Patients suffering from any other lower-limb joint disorders other than the one for
which total knee arthroplasty.
2. Patients with any other joint replacement in the ipsilateral and contralateral limb.
3. Patients with evidence of active infection.
4. Patients with neurologic or musculoskeletal disease that may adversely affect gait,
weight-bearing or quadriceps function.
5. Patients with neuropathic joints.
6. Patients requiring structural bone grafts.
7. Patients with a documented allergy to cobalt chromium molybdenum.
8. Patient with a BMI larger than 30 kg/m2.
;
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label
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