Peroneus longus tendon sling in revision surgery for congenital vertical talus: a new surgical technique.

When faced with revision surgery for recurrent congenital vertical talus deformity, the tibialis anterior tendon may be deficient or absent as a result of the initial procedure. This tendon cannot then be used as a dynamic sling to dorsiflex the talar neck. We present two cases in which the peroneus longus tendon was transferred dorsally into the talar neck as an alternative to an absent tibialis anterior tendon. Excellent corrections were achieved and maintained. The use of this tendon has not been described previously in surgery for this condition.