Knee Arthrodesis

Indications:

1. failed knee replacement (most common)

   • better fusion rate following failed condylar components (80%) than failed hinged prostheses (55%)

2. uncontrollable septic arthritis with complete joint destruction

3. young patient with severe articular & ligamentous damage

4. neuropathic joint disease

Contra-indications: 

1. bilateral knee disease

2. ipsilateral ankle or hip disease

3. severe segmental bone loss

4. contralateral leg amputation

Ideal Position:

• 10-15 degrees flexion

• 0-7 degrees valgus