Knee osteoarthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Total knee arthroplasty will be performed for primary OA 2. Patient has given consent to participate in the study. 4. more than 20 years old and less than 80 years old
Exclusion criteria
Exclusion criteria: 1. Bone quality (tibia and femur) is insufficient. 2. Patient is immunosuppressed or has an autoimmune immunodeficient disorder. 3. Patient has an autoimmune disorder. 4. Patient has had major, non-arthroscopic surgery to the study knee. 5. Patient has an active, local infection or systemic infection. 6. Patient has a physical, emotional or neurological condition that would compromise compliance with postoperative rehabilitation and follow up. 7. Patient has hip inflammatory arthritis or performed THA. 8. Lateral knee OA 9. Patient is pregnant or plans to pregnant during course of study. 10. Patient is on workman's compensation. 11. Serious medical infirmity. 12. Symptomatic spinal disease. 13. more than 80 years old
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intraoperative patellofemoral joint contact pressure obtained by using different patella component design. | — |
Secondary
| Measure | Time frame |
|---|---|
| Subjective and objective clinical outcomes (p.o. 1y and 2y) | — |
Countries
Japan
Contacts
Hokkaido University, Sapporo, Japan Department of Orthopaedic Surgery