M22.0 M22.1
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients age >18 and < 55 years Patients suffering from persistent subjective or objective patellofemoral instability after Patellaluxation Patients undergoing operative Treatment for patella stabilization
Exclusion criteria
Exclusion criteria: Knee arthrosis Grade 2 (Kellgren and Lawrence system) Chronic drug abuse Patients carrying, artifical heart waves, heart pacemaker, other ferromagnetic implants
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 4 to 6 weeks prior surgery and 3 months after surgery the following endpoints will be evaluated: Size of patellofemoral cartialge contact area will be determined using MRI at 0,10,20,30° of flexion. | — |
Secondary
| Measure | Time frame |
|---|---|
| 4 to 6 weeks prior surgery and 3 months after surgery the following endpoints will be evaluated: •Influence of patellar stabilization on patellofemoral kinematics, determined using MRI at 0,10,20,30° of flexion •Measure of cartilage compression,determined using MRI at 0,10,20,30° of flexion •Measure of cartialge relaxation times,determined using MRI at 0,10,20,30° of flexion | — |
Countries
Germany
Contacts
Klinik für Orthopädie und Unfallchirurgie Uniklinik Freiburg