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Adult Reconstruction
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Knee Arthrodesis

Knee Arthrodesis

A 68-year-old male with type 2 diabetes presents with a draining sinus over his right knee 18 months after revision TKA for periprosthetic joint infection. Previous two-stage revision has failed twice. Cultures consistently grow methicillin-resistant Staphylococcus aureus. He is ambulatory, has minimal pain at present, but the infection is not controlled. The extensor mechanism is intact. He refuses amputation. Regarding knee arthrodesis as a salvage procedure:

Mark each as TRUE or FALSE

A

Knee arthrodesis is a limb-salvage procedure indicated for failed TKA (particularly recurrent peripr...

B

Contraindications to knee arthrodesis include contralateral above-knee amputation (would leave no fu...

C

Expected limb shortening after knee arthrodesis ranges from 2-7cm depending on bone loss; this requi...

D

Knee arthrodesis is the first-line treatment for primary knee arthritis; limb shortening does not oc...

E

The optimal position for knee arthrodesis is 0-7 degrees of valgus, 10-15 degrees of flexion, and ne...

Answer the questions to see explanations

Click T (True) or F (False) for each option