title: Joint-preserving surgery of valgus ankle osteoarthritis.
abstract: Patients with posttraumatic ankle osteoarthritis (OA) typically present with asymmetric involvement of the tibiotalar joint, resulting in valgus or varus deformity of the ankle and hindfoot. Without appropriate treatment, patients with asymmetric ankle OA typically develop full end-stage ankle OA. Ankles with valgus deformities suffer from a lateral joint overload with subsequent lateral tibiotalar joint degeneration, which causes further lateral load shift. In these cases patients may benefit from joint-preserving realignment surgery to unload the degenerated lateral area and normalize joint biomechanics. This article describes the authors' algorithm for the treatment of patients with asymmetric valgus ankle OA.
authors.affiliation: Orthopaedic Department, Osteoarthritis Research Center Basel, University Hospital of Basel, University of Basel, Spitalstrasse 21, Basel 4031, Switzerland. victor.valderrabano@usb.ch
authors.forename: Victor
authors.initials: V
authors.lastname: Valderrabano
authors.forename: Jochen
authors.initials: J
authors.lastname: Paul
authors.forename: Horisberger
authors.initials: H
authors.lastname: Monika
authors.forename: Geert I
authors.initials: GI
authors.lastname: Pagenstert
authors.forename: Heath B
authors.initials: HB
authors.lastname: Henninger
authors.forename: Alexej
authors.initials: A
authors.lastname: Barg
mesh_terms: D000843:Ankle Joint / Q000473:pathology / Q000601:surgery*; D005531:Foot Deformities, Acquired / Q000601:surgery*; D006801:Humans; D010003:Osteoarthritis / Q000601:surgery*; D010027:Osteotomy / Q000379:methods*
keywords: Cotton osteotomy; Lateral lengthening calcaneal osteotomy; Medial displacement calcaneal osteotomy; Supramalleolar osteotomy; Valgus ankle osteoarthritis