Evans Osteotomy and Risk to Subtalar Joint Articular Facets and Sustentaculum Tali: A Cadaver Study

Abstract The Evans lateral column lengthening procedure allows correction of abduction, improved talar head coverage, decreased forefoot and rearfoot valgus, and improvement of medial column arch height. However, identifying the structures at risk when performing this osteotomy has proved difficult...

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Bibliographic Details
Published in:The Journal of foot and ankle surgery 2013-09, Vol.52 (5), p.594-597
Main Authors: Bussewitz, Bradly W., DPM, DeVries, J. George, DPM, FACFAS, Hyer, Christopher F., DPM, FACFAS
Format: Article
Language:English
Subjects:
arch height
Cadaver
calcaneus
Calcaneus - anatomy & histology
Calcaneus - surgery
complication
Humans
medial column
Orthopedics
Osteotomy - adverse effects
Osteotomy - methods
pes planovalgus
Subtalar Joint - anatomy & histology
surgery
talus
Tarsal Joints - anatomy & histology
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Description
Summary:Abstract The Evans lateral column lengthening procedure allows correction of abduction, improved talar head coverage, decreased forefoot and rearfoot valgus, and improvement of medial column arch height. However, identifying the structures at risk when performing this osteotomy has proved difficult in vivo. Using 10 cadaveric lower limbs, we performed the Evans calcaneal osteotomy and determined whether violation of the calcaneal facets and the sustentaculum tali occurred. Based on our findings, we recommend directing the osteotomy from posterolateral to anteromedial.
ISSN:1067-2516
1542-2224
DOI:10.1053/j.jfas.2013.03.006