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Review Question - QID 219449

TKA Revision Technique - Prosthesis Selection Constrained Hinged with rotating platform QID: 219449 (OBQ23.22)
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QID 219449 (Type "219449" in App Search)
A 74-year-old woman presents with a recurrent periprosthetic joint infection after being treated at an outside facility. After prolonged discussion with the patient and her family, she decides to undergo 2-stage revision arthroplasty over other options. She undergoes removal of current stemmed revision implants with spacer placement. Her infection is confirmed to be eradicated after 6 weeks of targeted IV antibiotics based on serum labs and synovial fluid analysis. Which of the following would serve as the strongest indication to utilize a rotating hinged implant during stage 2 revision total knee arthroplasty?
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