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9 Cards in this Set
- Front
- Back
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What implant type is preferred for acetabular revision?
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Porous coated hemispherical cup
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What are the two requirements for use of a porous hemispherical cup?
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Good rim fit
Two thirds of rim are intact |
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What two surgical options are available for large segmental defects?
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Allograft and cape reconstruction
Trabecular metal cup |
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In what clinical situation has increased failure with cape reconstruction been observed?
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Constrained polyethylene liner cemented to cage
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What is the preferred removal technique for well-fixed cemented stem? Why?
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Extended trochanteric osteotomy
Keeps gluteus/vastus lateralis intact: maintains blood supply for healing |
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What type of implant is preferred for femoral revision?
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Uncemented porous coated modular stem
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How can large segmental defects be addressed?
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Supplement with allograft struts
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What are the two indications for impaction grafting?
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Large ectatic canal
Thin cortices |
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What are the two principal complications of impaction grafting?
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Subsidence
Periprosthetic fracture |
