| PRIMARY ARTHRODESIS |
| ・ Infection |
| ・ Charcot arthropathy |
| ・ Arthritis of neighboring tissues [subtalar, talonavicular, calcaneocuboid, midfoot, knee] |
| ・ Deformity above or below the ankle joint [tibia, hindfoot, forefoot] |
| REVISION ARTHRODESIS |
| ・ Nonunion |
| ・ Malunion |
| ・ Infection [soft tissue or osteomyelitis] |
| ・ Complex regional pain syndrome [CRPS] or reflex sympathetic dystrophy [RSD] |
| ・ Subtalar arthritis |
| ・ Malleolar impingement |
| ・ Tendon problems |
| ・ Stress fracture |
| ・ Lymphedema |