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Triple arthrodesis in adults

Division of Foot and Ankle Surgery, Allegheny University, Philadelphia, PA, USA.

Surgical fusion of the subtalar, talonavicular, and calcaneocuboid joints historically evolved for the treatment of paralytic deformities of the foot where there was often notable bone deformity. Today most of these procedures are performed in adults for posttraumatic arthritis, rheumatoid arthritis, or end-stage posterior tibial tendon rupture with fixed bone deformity. Triple arthrodesis is a technically demanding procedure that generally involves a prolonged recovery time. When proper alignment is obtained, predictable and significant improvement in symptoms occurs, but the resultant loss of hindfoot motion is not without consequence. Residual discomfort and secondary arthrosis of the ankle and tarsometatarsal joints should be expected. Because of the complications of residual deformity, pseudarthrosis, avascular necrosis of the talus, and ankle and midtarsal arthritis, it has been recommended that it be used only as a salvage operation in older patients who have a painful, fixed deformity or disabling instability refractory to other treatment options. Despite these caveats, most patients who undergo triple arthrodesis for appropriate indications report significant improvement in their symptoms and level of function.