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Predicting High Coronary Artery Calcium Score From Retinal Fundus Images With Deep Learning Algorithms.

Abstract：

Purpose:To evaluate high accumulation of coronary artery calcium (CAC) from retinal fundus images with deep learning technologies as an inexpensive and radiation-free screening method. Methods:Individuals who underwent bilateral retinal fundus imaging and CAC score (CACS) evaluation from coronary computed tomography scans on the same day were identified. With this database, performances of deep learning algorithms (inception-v3) to distinguish high CACS from CACS of 0 were evaluated at various thresholds for high CACS. Vessel-inpainted and fovea-inpainted images were also used as input to investigate areas of interest in determining CACS. Results:A total of 44,184 images from 20,130 individuals were included. A deep learning algorithm for discrimination of no CAC from CACS >100 achieved area under receiver operating curve (AUROC) of 82.3% (79.5%-85.0%) and 83.2% (80.2%-86.3%) using unilateral and bilateral fundus images, respectively, under a 5-fold cross validation setting. AUROC increased as the criterion for high CACS was increased, showing a plateau at 100 and losing significant improvement thereafter. AUROC decreased when fovea was inpainted and decreased further when vessels were inpainted, whereas AUROC increased when bilateral images were used as input. Conclusions:Visual patterns of retinal fundus images in subjects with CACS > 100 could be recognized by deep learning algorithms compared with those with no CAC. Exploiting bilateral images improves discrimination performance, and ablation studies removing retinal vasculature or fovea suggest that recognizable patterns reside mainly in these areas. Translational Relevance:Retinal fundus images can be used by deep learning algorithms for prediction of high CACS.

journal_name

Transl Vis Sci Technol

journal_title

Translational vision science & technology

authors

Son J,Shin JY,Chun EJ,Jung KH,Park KH,Park SJ

doi

10.1167/tvst.9.2.28

subject

Has Abstract

pub_date

2020-11-11 00:00:00

pages

28

issue

6

issn

2164-2591

pii

TVST-19-1853

journal_volume

9

pub_type

杂志文章

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