Recurrent patellar dislocation
Conditions
Interventions
Experimental Group (medial patellofemoral complex reconstruction):None
Control Group (medial patellofemoral ligament reconstruction):None
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
14 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. A history of at least twice patellar dislocation events; 2. Skeletal maturity; 3. Willingness to voluntarily participate in the cohort study and to sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Ipsilateral previous surgery for patellar instability; 2. Concomitant knee ligament injury or patellar revulsion fracture requiring surgical treatment; 3. Contralateral patellar instability without medical management; 4. Varus or valgus deformity of the knee of more than 5 degrees; 5. Clinical or radiographic evidence of early knee osteoarthritis; 6. Concomitant systemic diseases that affect the assessment of knee function and sports level; 7. Failure to complete the rehabilitation protocol as required; 8. Patient medically not fit for surgery, radiographs or MRI; 9. For women, pregnant, planning to be pregnant or lactating.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Kujala score;international knee documentation committee knee evaluation form score; | — |
Secondary
| Measure | Time frame |
|---|---|
| sports level;apprehension test;range of motion;Kellgren-Lawrence grade;postoperative recurrent instability (dislocation and subluxation);patellar tilt angle;lateral patellar displacement;bisect offset ratio; | — |
Countries
China
Contacts
Public ContactWeili Shi
Peking University Third Hospital
Outcome results
None listed