Joint Replacement Failure
A 68-year-old man presents with progressive right hip pain 15 years after primary total hip arthroplasty. The pain is activity-related, particularly with stair climbing. He denies fever, systemic symptoms, or recent infection. Radiographs show progressive radiolucencies around both the acetabular and femoral components with evidence of polyethylene wear. Regarding aseptic loosening of total joint arthroplasty:
Mark each as TRUE or FALSE
Aseptic loosening remains the most common cause of long-term failure requiring revision in total hip...
The biological cascade involves macrophage phagocytosis of wear particles leading to activation and ...
Radiolucent lines around a prosthesis always indicate loosening requiring revision; cemented compone...
Radiographic signs of loosening include progressive radiolucent lines (especially greater than 2mm o...
Management depends on symptom severity, extent of bone loss, and component stability; options range ...
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Click T (True) or F (False) for each option