Total Ankle Replacement for the Valgus Unstable Osteoarthritic AnkleBrunner, Samuel MD; Knupp, Markus MD; Hintermann, Beat MDTechniques in Foot & Ankle Surgery: December 2010 - Volume 9 - Issue 4 - p 165–174 doi: 10.1097/BTF.0b013e3181fc861c Special Focus: Current and New Techniques for Total Ankle Replacement and Management of Associated Problems Abstract Author Information Total ankle replacement in valgus unstable ankles is challenging because misalignment of the ankle, especially in combination with valgus instability, has been identified as a major deteriorating factor for the result of total ankle replacement. This article describes a treatment algorithm based on the classification of valgus unstable osteoarthritic ankles. Three types of valgus unstable ankles are differentiated with regard to the treatment. Orthopaedic Clinic Kantonsspital, Liestal, Switzerland Address correspondence and reprint requests to Samuel Brunner, MD, Kantonsspital Liestal, Rheinstrasse 26, CH-4410 Liestal, Switzerland. e-mail: firstname.lastname@example.org. © 2010 Lippincott Williams & Wilkins, Inc.