Online ISSN: 2515-8260

Options for Management Choice Evidence-Based Treatment of Cavus Foot Deformity

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Akram Ali Attaib Beshna1 ,Mohsen Mohamed Abdo Mar'éi2 ,Mohamed Abdelazeez Mohamed Ghieth3 ,and Mohamed Nagy Elalfy4

Abstract

Background:Cavus foot encompasses a wide range of deformities, from a subtle flexible deformity to severe rigid cavus foot. The prevalence of cavus foot is reported to be 10 to 25% of the population or as common as flat foot. With increasing awareness of the milder or subtle cavus, the whole disease entity may be more prevalent. The term “pes cavus” or “cavus foot” is used to describe a wide spectrum of foot shapes that have an abnormal elevation of the medial longitudinal arch. High arch of the foot is frequently associated with hindfoot varus, forefoot adduction and plantar flexion, and ankle equinus. The etiology is most frequently attributed to the neuromuscular disorders involving brain, spinal cord, or the peripheral nerves. Two thirds of adults with symptomatic cavus foot have an underlying neurological condition. Among them, Charcot-Marie-Tooth (CMT) disease, a hereditary sensory motor neuropathy, is most frequently reported. The probability of a patient who has bilateral cavovarus feet being diagnosed with CMT is 78%. The surgical procedures are combinations of bony reconstructions and soft tissue procedures. As for the joint-sparing corrective osteotomies, calcaneal osteotomy, 1st metatarsal base dorsiflexion osteotomy (1MTDFO), and midfoot dorsal closing wedge osteotomy at cuneiform-navicular and cuboid level are considered. As for the soft tissue procedures, mainly plantar fascia release, Achilles' tendon lengthening, and peroneus longus to brevis tenodesis are most frequent surgical procedures performed.

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