alexa Total Ankle Replacement with a Staged Correction of a 2
ISSN: 2329-910X

Clinical Research on Foot & Ankle
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Case Report

Total Ankle Replacement with a Staged Correction of a 20 Degree Post Traumatic Ankle Valgus and Medial Ankle Instability

Lawrence A Di Domenico* and Danielle N Butto
Ankle and Foot Care Centers, Lawrence Di Domenico, Ankle and Foot Care Centers, 8175 Market St Youngstown, OH 44512, USA
Corresponding Author : Lawrence Di Domenico
Ankle and Foot Care Centers
8175 Market St Youngstown
OH 44512, USA
Tel: 330-629-8800
Fax: 330-758-4914
E-mail: [email protected]
Received date: Sep 11, 2015; Accepted date: Jan 27, 2016; Published date: Jan 31, 2016
Citation: Domenico LAD, Butto DN (2016) Staged Correction of a 20 Degree Post Traumatic Ankle Valgus with Medial Ankle Instability. Clin Res Foot Ankle 4:179. doi:10.4172/2329-910X.1000179
Copyright: © 2016 Domenico LAD, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Total ankle replacement can be a challenging surgery especially when pre-operative deformity exists. Most authors advocate the indication for total ankle replacement should be narrowed to patients with less than 10 to 15 degrees of pre-operative varus or valgus. When greater than 10-15 degrees of coronal plane malalignment is found, ancillary procedures must be performed. We report a case of a 56 year old male with 20 degrees of pre-operative ankle valgus after a pronation-external rotation injury that was malreduced at an outside institution. In addition to the valgus, the patient presented with medial ankle instability, distal lateral tibial osteonecrosis and a shortened, posteriorly rotated fibula. Staged procedures were employed to successfully realign the patient’s ankle joint. The patient was first brought to the operating room and stressed under c-arm fluoroscopy. He was found to have instability of the deltoid complex. He subsequently underwent an ankle arthrotomy, synevectomy and deltoid imbrication to re-establish medial ankle stability. Second, the patient underwent a fibular lengthening and derotation, syndesmotic fusion and medial opening wedge tibial osteotomy. Once consolidation was confirmed by CAT scan, the patient had a gastrocnemius lengthening total ankle arthroplasty with a Zimmer trabecular metal implant (Zimmer Inc®, Warsaw, IN) and debridement and grafting of the distal lateral tibial osteonecrosis. The patient is now greater than 24 months post operatively and able to ambulate pain free without assistive devices.

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