Knee Arthroplasty
A 62-year-old active man presents with isolated medial compartment knee osteoarthritis. He has full range of motion (0-135 degrees), a correctable varus deformity, an intact ACL, and no significant patellofemoral symptoms. His BMI is 28. He wants to maintain his active lifestyle including golf and cycling. The lateral compartment shows normal cartilage on MRI with intact menisci. Regarding unicompartmental knee arthroplasty:
Mark each as TRUE or FALSE
Oxford criteria for medial UKA include anteromedial osteoarthritis with bone-on-bone changes, intact...
Advantages of UKA over TKA include bone preservation, retained cruciate ligaments providing more nat...
UKA is indicated for inflammatory arthritis; ACL deficiency is not a contraindication; fixed varus d...
Modes of failure include bearing dislocation (mobile-bearing), aseptic loosening, progression of art...
Surgical technique aims for restoration of native alignment (not overcorrection), appropriate ligame...
Answer the questions to see explanations
Click T (True) or F (False) for each option