Ventricle features as reliable differentiators between the bvFTD and other dementias

INTRODUCTION: Lateral ventricles are reliable and sensitive indicators of brain atrophy and disease progression in behavioral variant frontotemporal dementia (bvFTD). We aimed to investigate whether an automated tool using ventricular features could improve diagnostic accuracy in bvFTD across neurod...

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Published in:arXiv.org 2021-03
Main Authors: Manera, Ana L, Dadar, Mahsa, Collins, D Louis, Ducharme, Simon
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Language:English
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Accuracy
Atrophy
Dementia
Diagnostic software
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creator Manera, Ana L
Dadar, Mahsa
Collins, D Louis
Ducharme, Simon
description INTRODUCTION: Lateral ventricles are reliable and sensitive indicators of brain atrophy and disease progression in behavioral variant frontotemporal dementia (bvFTD). We aimed to investigate whether an automated tool using ventricular features could improve diagnostic accuracy in bvFTD across neurodegenerative diseases. METHODS: Using 678 subjects (2750 timepoints), differences in ventricular features were assessed between bvFTD, normal controls and other dementia cohorts. RESULTS: Ventricular antero-posterior ratio (APR) was the only feature that was significantly different and increased faster in bvFTD compared to all other cohorts. We achieved a 10-fold cross-validation accuracy of 80% (77% sensitivity, 82% specificity) in differentiating bvFTD from all other cohorts with ventricular features, and 76% accuracy using only the single APR feature. DISCUSSION: APR could be a useful and easy-to-implement feature to aid bvFTD diagnosis. We have made our ventricle feature estimation and bvFTD diagnostic tool publicly available, allowing application of our model in other studies.
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subjects Accuracy
Atrophy
Dementia
Diagnostic software
title Ventricle features as reliable differentiators between the bvFTD and other dementias
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