artificial knee Total knee arthroplasty
Conditions
Interventions
None listed
Sponsors
Leids Universitair Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: •Patient is diagnosed with osteoarthritis or rheumatoid arthritis and requires primary arthroplasty •Patient is capable of giving informed consent and expressing a willingness to comply with this study •Patient has no major deformities (i.e. sagittal and coronal deformities are less then 15 degrees) •The ability to perform a lunge and step-up motion without the help of bars or a cane. •No or slight pain during activity according to the Knee Society Pain Score
Exclusion criteria
Exclusion criteria: •The patient is unable or unwilling to sign the Informed Consent specific to this study •The individual has a functional impairment of any other lower extremity joint besides the operated knee •Patient has a flexion contracture of 15° and more •Patient has a varus/valgus contracture of 15° and more •Patients requiring revision arthroplasty •The patient does not understand the Dutch or English language good enough to participate. •The use of walking aids •The inability to walk more than 500 meters
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Comparison kinematics fluorosocpy and gaitanalysis Micromotion: in mm en comparison between the two designs. | — |
Primary
| Measure | Time frame |
|---|---|
| Kinematics: segment angles mobile bearing: degrees | — |
Countries
Netherlands
Outcome results
None listed