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Adult Reconstruction
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Patellofemoral Arthroplasty - Isolated PF Replacement

Knee Arthroplasty

A 52-year-old female presents with severe anterior knee pain and difficulty with stairs for 3 years. Examination reveals crepitus and pain with patellofemoral compression. Radiographs show isolated patellofemoral arthritis (Iwano grade 4) with normal tibiofemoral compartments. She has failed extensive conservative management. Regarding patellofemoral arthroplasty (PFA):

Mark each as TRUE or FALSE

A

Patellofemoral arthroplasty (PFA) is indicated for isolated patellofemoral arthritis with preserved ...

B

Contraindications to PFA include: significant tibiofemoral arthritis (Kellgren-Lawrence greater than...

C

First-generation PFA designs (inlay/onlay) had excellent long-term results equal to TKA; all modern ...

D

Modern second-generation PFA designs feature: anatomic trochlear geometry extending proximally, broa...

E

Advantages of PFA compared to TKA include: bone preservation, preserved tibiofemoral kinematics and ...

Answer the questions to see explanations

Click T (True) or F (False) for each option