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Scar-Related Ventricular Arrhythmia Prediction from Imaging Using Explainable Deep Learning

Abstract : The aim of this study is to create an automatic frameworkfor sustained ventricular arrhythmia (VA) prediction using cardiac com-puted tomography (CT) images. We built an image processing pipelineand a deep learning network to explore the relation between post-infarctleft ventricular myocardium thickness and previous occurrence of VA.Our pipeline generated a 2D myocardium thickness map (TM) from the3D imaging input. Our network consisted of a conditional variationalautoencoder (CVAE) and a classifier model. The CVAE was used tocompress the TM into a low dimensional latent space, then the classifierutilised the latent variables to predict between healthy and VA patient.We studied the network on a large clinical database of 504 healthy and182 VA patients. Using our method, we achieved a mean classificationaccuracy of 75%±4 on the testing dataset, compared to 71%±4 from theclassification using the classical left ventricular ejection fraction (LVEF).
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Contributor : Buntheng LY Connect in order to contact the contributor
Submitted on : Friday, October 15, 2021 - 9:20:44 AM
Last modification on : Saturday, June 25, 2022 - 11:52:58 PM
Long-term archiving on: : Sunday, January 16, 2022 - 6:10:56 PM



Buntheng Ly, Sonny Finsterbach, Marta Nuñez-Garcia, Hubert Cochet, Maxime Sermesant. Scar-Related Ventricular Arrhythmia Prediction from Imaging Using Explainable Deep Learning. FIMH 2021 - 11th International Conference on Functional Imaging and Modeling of the Heart, Jun 2021, Stanford, United States. pp.461-470, ⟨10.1007/978-3-030-78710-3_44⟩. ⟨hal-03378951⟩



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