Diagnostic Cost Reduction Using Artificial Neural Networks: The Case of Pulmonary Embolism

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Author(s): Steven Walczak (University of Colorado at Denver, USA), Bradley B. Brimhall (Tricore Reference Laboratory, USA)and Jerry B. Lefkowitz (Weill Cornell College of Medicine, USA)
Copyright: 2008
Pages: 23
Source title: Healthcare Information Systems and Informatics: Research and Practices
Source Author(s)/Editor(s): Joseph Tan (McMaster University, Canada)
DOI: 10.4018/978-1-59904-690-7.ch006

Keywords: Health Information Systems / Medical Information Science Reference / Medicine & Healthcare

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Abstract

Patients face a multitude of diseases, trauma, and related medical problems that are difficult and costly to diagnose with respect to direct costs, including pulmonary embolism (PE). Advanced decision-making tools such as artificial neural networks (ANNs) improve diagnostic capabilities for these problematic medical conditions. The research in this chapter develops a backpropagation trained ANN diagnostic model to predict the occurrence of PE. Laboratory database values for 292 patients who were determined to be at risk for a PE, with 15% suffering a confirmed PE, are collected and used to evaluate various ANN models’ performance. Results indicate that using ANN diagnostic models enables the leveraging of knowledge gained from standard clinical laboratory tests, significantly improving both overall positive predictive and negative predictive performance.

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Diagnostic Cost Reduction Using Artificial Neural Networks: The Case of Pulmonary Embolism

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