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THR Complications, Failure and Revision

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What is the difference between PE cup creep and wear?

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What is the most common reason for THR revision?

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How are you going to approach this patient? (Triple assessment to rule out [TRO] infection)

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What investigations?

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Features of XR to mention?

COMPLICATIONS

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Causes of post-THR sciatic nerve palsy?

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Which division is typically affected?

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How should you investigate?

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Management of post-THR sciatic nerve palsy?

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What are the outcomes of post-THR sciatic nerve palsy?

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What are your thoughts on bilateral THR?

Robotics/ Navigation

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How can you compare robotics systems?

CEMENTED HIP Failure

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What are the modes of cemented stem failure?

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What are the reasons for broken cement mantle?

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How to prevent cement mantle fracture?

CEMENTLESS HIP Failure

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How do we know if the cementless stem is stable or not? (planning for extraction)

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What are the signs of loosening in femoral stems? [SOA]

REVISION PRINCIPLES

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How do you classify Acetabular bone loss?

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How do you classify Femur bone loss?

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How do you perform a THR revision for osteolysis/broken implant?

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What options for implantation?

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Strategies to address instability in revision THR?

Ceramic Catastrophic Failure

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How does the ceramic cup (or any brittle material) fail? (Ceramic Catastrophic Failure)

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What investigation?

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‼️ How do you manage ceramic catastrophic failure?

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The people curse him who holds back grain, but a blessing is on the head of him who sells it. Proverbs 11:26