Subtalar arthroereisis in pediatric flatfoot reconstruction.

Pediatric and juvenile flatfoot is a common problem in childhood, present in one in nine children. The morphologic characteristics of this condition are heel valgus and flattening of the medial longitudinal arch. Other characteristics are usually observed, such as supination and abduction of the forefoot, tightening of the Achilles tendon, and hypertonia of the peroneal muscles. Most children with flatfoot will undergo spontaneous correction or become asymptomatic; those that are symptomatic require treatment. Subtalar arthroereisis, often combined with Achilles tendon lengthening, is a simple and effective way to treat flexible flatfoot in children. Mid- and long-term results are good, and the procedure does not prevent future treatments.
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