Automatic prediction of coronary artery disease from clinical narratives.

Citation data:

Journal of biomedical informatics, ISSN: 1532-0480, Vol: 72, Page: 23-32

Publication Year:
2017
Usage 23
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Link-outs 6
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PMID:
28663072
DOI:
10.1016/j.jbi.2017.06.019
Author(s):
Buchan, Kevin, Filannino, Michele, Uzuner, Özlem
Publisher(s):
Elsevier BV
Tags:
Computer Science, Medicine
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article description
Coronary Artery Disease (CAD) is not only the most common form of heart disease, but also the leading cause of death in both men and women (Coronary Artery Disease: MedlinePlus, 2015). We present a system that is able to automatically predict whether patients develop coronary artery disease based on their narrative medical histories, i.e., clinical free text. Although the free text in medical records has been used in several studies for identifying risk factors of coronary artery disease, to the best of our knowledge our work marks the first attempt at automatically predicting development of CAD. We tackle this task on a small corpus of diabetic patients. The size of this corpus makes it important to limit the number of features in order to avoid overfitting. We propose an ontology-guided approach to feature extraction, and compare it with two classic feature selection techniques. Our system achieves state-of-the-art performance of 77.4% F1 score.

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