TKA Revision
A 72-year-old woman presents with 8 years of progressive pain and instability in her right knee following primary TKA. Workup has excluded infection (normal ESR, CRP, negative aspiration). Radiographs show polyethylene wear, tibial component loosening, and significant medial tibial bone loss with a cavitary and segmental defect. The collateral ligaments appear attenuated. Regarding revision total knee arthroplasty:
Mark each as TRUE or FALSE
Common indications for revision TKA include aseptic loosening (most common), polyethylene wear, inst...
The AORI (Anderson Orthopaedic Research Institute) classification grades bone defects: Type 1 (intac...
Primary TKA implants are always adequate for revision surgery; collateral ligament competence is irr...
Implant selection based on ligament competence and bone loss: intact collaterals with minimal bone l...
Bone defect management: small contained defects (less than 5mm) - cement alone; contained defects (5...
Answer the questions to see explanations
Click T (True) or F (False) for each option