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Use of CT Scan-derived Patient-specific Instrumentation in Total Ankle Arthroplasty

Saito, Guilherme H. MD*; Sanders, Austin E. BA*; Sturnick, Daniel R. MS; Demetracopoulos, Constantine A. MD*

Techniques in Foot & Ankle Surgery: December 2017 - Volume 16 - Issue 4 - p 183–189
doi: 10.1097/BTF.0000000000000175
Special Focus

Abstract: Total ankle arthroplasty has evolved significantly in the last 2 decades. Improvements in surgical technique and instrumentation, as well as advances in implant design, have contributed significantly to the increased adoption of ankle replacement for the treatment of ankle arthritis. Achieving proper alignment and correct positioning of the components is critical for the function and survivorship of the prosthesis. Patient-specific instrumentation generated by preoperative computed tomography is a tool which may allow for more reliable and reproducible component positioning. This article will provide a brief review of the technique and our early results of utilizing patient-specific instrumentation in total ankle arthroplasty.

Level of Evidence: Diagnostic Level IV. See Instructions for Authors for a complete description of levels of evidence.

*Department of Orthopaedic Surgery, Foot and Ankle Service

Department of Biomechanics, Hospital for Special Surgery, New York, NY

C.A.D. is a paid consultant for Wright Medical Technology, Integra LifeSciences and Stryker. The remaining authors declare that they have nothing to disclose.

Address correspondence and reprint requests to Guilherme H. Saito, MD, Hospital for Special Surgery, New York, NY 10021. E-mail:

Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved