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Foot Ankle Clin. 2013 Sep;18(3):503-16. doi: 10.1016/j.fcl.2013.06.010. Epub 2013 Jul 27.

Joint-preserving surgery of asymmetric ankle osteoarthritis with peritalar instability.

Author information

1
Orthopaedic Department, Clinic of Orthopaedic Surgery and Traumatology, Kantonsspital Baselland, Rheinstrasse 26, Liestal CH-4410, Switzerland. beat.hintermann@ksbh.ch

Abstract

A varus or valgus talar tilt that increases under weight-bearing is commonly seen in osteoarthritic ankles. Loss of peritalar stability may be the underlying cause for the talus shifting and rotating on the calcaneonavicular surfaces, as given by applied forces. The instability pattern and the resulting deformity can be assessed and classified using weight-bearing conventional radiographs. Appropriate osseous balancing may be the most appropriate treatment to restore a regular position of talus within the ankle mortise. In cases with severe peritalar instability, subtalar fusion may be advised. Soft tissue reconstruction may be needed to achieve physiologic balance of the hindfoot complex.

KEYWORDS:

Asymmetric ankle osteoarthritis; Calcaneal osteotomy; Joint-preserving surgery; Peritalar instability; Supramalleolar osteotomy; Valgus ankle; Varus ankle

PMID:
24008215
DOI:
10.1016/j.fcl.2013.06.010
[Indexed for MEDLINE]

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