PMID: 7938810Jan 1, 1993Paper

Arthrodesis of the ankle joint: effect of the position of the arthrodesis on the foot. Apropos of a series of 50 cases reviewed with an average follow-up of 9 years

Revue de chirurgie orthopédique et réparatrice de l'appareil moteur
F BreslerD Schmitt


A functional assessment of fifty patients after ankle arthrodesis for post traumatic arthritis was carried out by means of an extensive clinical evaluation after an average follow-up of nine years. The data on position of ankle arthrodesis and gait analysis were examined to determine the effect of arthrodesis of the ankle on the subtalar and small joints of the foot. The Duquennoy point system was used to grade the ankle clinically and a new radiological method to determine the sagittal position of the ankle arthrodesis was developed. Equinus position was related with clinical damage on sub talar joint, and anterior cavus foot (92.8 per cent). This position was related with metatarsalgia in 26.9 per cent. Calcaneus position was related with posterior cavus foot (verticalization of the calcaneus). This position was related with the best functional results on walking, jumping and running. this study has showed that the ideal position of fusion of the ankle was neutral or slight flexion, slight valgus angulation of the hind part of the foot and 10 degrees of external rotation.

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