Knee Osteoarthritis
Conditions
Brief summary
This study aims to compare the femoral external rotation measured on CT and MRI to that measured intraoperatively to clarify the influence of residual cartilage on posterior condyle on the preoperative planning of total knee arthroplasty.
Interventions
CT and MRI were conducted to measure the femoral external rotation
Sponsors
Study design
Eligibility
Inclusion criteria
1. 50-85 years old 2. patients with osteoarthritis (Kellgren-Lawrence Grade III or IV) underwent total knee arthroplasty.
Exclusion criteria
1. patients cannot endure TKA due to severe heart failure, arrhythmia, myocardial infarction, infection or other reason. 2. patients who cannot undergo MRI.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Femoral external rotation on CT | Preoperative | the angel between the posterior condylar axis (PCA) and transepicondylar axis (TEA) on CT |
| Femoral external rotation on MRI | Preoperative | the angel between the posterior condylar axis (PCA) and transepicondylar axis (TEA) on MRI |
| Intraoperative femoral external rotation | Intraoperative | the angel between the posterior condylar axis (PCA) and transepicondylar axis (TEA) measured intraoperatively |
Countries
China