Bone and Joint Institute

Title

Left atrial wall segmentation using clinically correlated metrics

Document Type

Conference Proceeding

Publication Date

1-1-2017

Journal

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Volume

10124 LNCS

First Page

201

Last Page

210

URL with Digital Object Identifier

10.1007/978-3-319-52718-5_22

Abstract

© Springer International Publishing AG 2017. The thickness of the left atrium wall may be an important parameter in atrial fibrillation disease mechanisms and subsequent treatment by catheter ablation. We have previously developed a simple, threshold-based, direct wall thickness measure from CT that has been found to correlate with clinical out- comes. In this paper, we describe the application of this method to the seg- mentation of the left atrium wall in the 2016 STACOM Left Atrium Wall Thickness Challenge. Our original method sought to partially automate the way a clinical researcher manually measures left atrial wall thickness to increase precision and repeatability. We have adapted our method to create a segmented volume instead of individual measurements in order to meet the challenge goals. We apply the method to the ten contrast-enhanced CT images provided.

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