diseases of knee joints
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients under 80 years of age with osteoarthritis of the knee joints, proposed to undergo a mobile-bearing UKA operation in our hospital; who are capable of autonomous behavior, willing to follow study instructions, complete all required follow-up visits and sign an informed consent form.
Exclusion criteria
Exclusion criteria: Patients with valgus knee, severe flexion contracture deformity (flexion contracture >15°), severe varus knee (>15°); combined hematologic related disorders; and patients taking medications affecting the coagulation system within 1 month prior to surgery will be excluded from the trial. Patient's lower limb imaging data is missing.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Distance between the center of the mobile-bearing and the lateral wall at 0 degrees of knee flexion;Distance between the center of the mobile-bearing and the lateral wall at 90 degrees of knee flexion;Relative relationship between the line connecting the center of the bearing (bearing trajectory) and the lateral wall of the tibial component in the 0-degree knee flexion and 90-degree knee flexion positions; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual Analogue Scale;Oxford knee score; | — |
Countries
China
Contacts
Senior Department of Orthopedics, Fourth Medical Center of People’s Liberation Army General Hospital, Beijing, China