Abstract
Patients who present with lateral ankle ligament instability always need to be evaluated for cavovarus foot deformity. Cavovarus reconstruction may need to be performed in order to ensure the ankle instability procedure is successful. Which procedures are required will depend on the specific deformity present, and may need to be determined intraoperatively depending on the initial deformity correction achieved through the first procedures performed. A general though not strict algorithm for sequence of procedures involves soft tissue releases first, followed by hindfoot correction, then forefoot correction, and securing ligament reconstruction or tendon transfers as the final step. Tendon transfers can be an effective tool to aid in the deformity correction and several are described. For hindfoot and forefoot deformity correction, traditional calcaneus and metatarsal osteotomies work well, but fusion should be considered for joints with degenerative change or in cases where the deformity is severe or can't be corrected through osteotomy alone.
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