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Validating a Modified Circle Theorem Method for the Measurement of Acetabular Cup Anteversion on Plain Radiography with Intra-Operative Data from Robotic Assisted Total Hip Arthroplasty.

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Title: Validating a Modified Circle Theorem Method for the Measurement of Acetabular Cup Anteversion on Plain Radiography with Intra-Operative Data from Robotic Assisted Total Hip Arthroplasty.
Author(s): Amirouche, F; Solitro, GF; Chandrasekaran, S; Domb, BG; Gonzalez, MH
Subject(s): combined anteversion hip anteversion planar anteversion robotic surgery true anteversion
Abstract: This study aims to validate a modified circle theorem method for the calculation of true version of the acetabular component on anteroposterior x-rays with intra-operative version data derived from robotic assisted total hip arthroplasty (THA). Planar anteversion measurements recorded intraoperatively in 80 THAs were correlated to measurements on anteroposterior radiographs. The mean anteversion of the cohort measured by the robotic system and on plain radiography was 21.2° ± 2.0° and 19.9° ± 3.4° respectively and 97.5% of cases were in a 30% relative error. The correlation between the true and planar measurements of anteversion on plain radiographs was strong (Pearson correlation coefficient of 0.9422). We conclude that the circle theorem method can be validated with data from robotic guided THA.
Issue Date: 2016-01-31
Publisher: Elsevier
Type: Article
Description: This is the author’s version of a work that was accepted for publication in Journal of Arthroplasty. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Arthroplasty,2016. 31(1): 323-329. DOI: 10.1016/j.arth.2015.07.042.
URI: http://hdl.handle.net/10027/20307
ISSN: 0883-5403
Sponsor: The work was partially supported by the Aurelio M. Caccomo Family Foundation
Date Available in INDIGO: 2017-01-29
 

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