Standard and fenestrated endograft sizing in EVAR planning: Description and validation of a semi-automated 3D software

Autores: Iván Macía Oliver Mariano de Blas Jon Haitz Legarreta Gorroño Luis Kabongo Óscar Hernández José María Egaña José Ignacio Emparanza Ainhoa García-Familiar Manuel Graña

Fecha: 01.06.2016

Computerized Medical Imaging and Graphics


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Abstract

An abdominal aortic aneurysm (AAA) is a pathological dilation of the abdominal aorta that may lead to a rupture with fatal consequences. Endovascular aneurysm repair (EVAR) is a minimally invasive surgical procedure consisting of the deployment and fixation of a stent–graft that isolates the damaged vessel wall from blood circulation. The technique requires adequate endovascular device sizing, which may be performed by vascular analysis and quantification on Computerized Tomography Angiography (CTA) scans. This paper presents a novel 3D {CTA} image-based software for {AAA} inspection and {EVAR} sizing, eVida Vascular, which allows fast and accurate 3D endograft sizing for standard and fenestrated endografts. We provide a description of the system and its innovations, including the underlying vascular image analysis and visualization technology, functional modules and user interaction. Furthermore, an experimental validation of the tool is described, assessing the degree of agreement with a commercial, clinically validated software, when comparing measurements obtained for standard endograft sizing in a group of 14 patients.

BIB_text

@Article {
title = {Standard and fenestrated endograft sizing in EVAR planning: Description and validation of a semi-automated 3D software},
journal = {Computerized Medical Imaging and Graphics},
pages = {9-23},
volume = {50},
keywds = {

Computerized Tomography Angiography, Abdominal aortic aneurysm, Endovascular aneurysm repair, Image segmentation, Image quantification, Vascular image analysis, Surgical planning, Software, Endograft, Stent


}
abstract = {

An abdominal aortic aneurysm (AAA) is a pathological dilation of the abdominal aorta that may lead to a rupture with fatal consequences. Endovascular aneurysm repair (EVAR) is a minimally invasive surgical procedure consisting of the deployment and fixation of a stent–graft that isolates the damaged vessel wall from blood circulation. The technique requires adequate endovascular device sizing, which may be performed by vascular analysis and quantification on Computerized Tomography Angiography (CTA) scans. This paper presents a novel 3D {CTA} image-based software for {AAA} inspection and {EVAR} sizing, eVida Vascular, which allows fast and accurate 3D endograft sizing for standard and fenestrated endografts. We provide a description of the system and its innovations, including the underlying vascular image analysis and visualization technology, functional modules and user interaction. Furthermore, an experimental validation of the tool is described, assessing the degree of agreement with a commercial, clinically validated software, when comparing measurements obtained for standard endograft sizing in a group of 14 patients.


}
pubmed = {1},
doi = {10.1016/j.compmedimag.2015.01.007},
date = {2016-06-01},
year = {2016},
}
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