Diagnostic cost reduction using artificial neural networks: The case of pulmonary embolism

Steven Walczak, Bradley B. Brimhall, Jerry B. Lefkowitz

Research output: Chapter in Book/Report/Conference proceedingChapter

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.

Original languageEnglish (US)
Title of host publicationHealthcare Information Systems and Informatics
Subtitle of host publicationResearch and Practices
PublisherIGI Global
Pages108-130
Number of pages23
ISBN (Print)9781599046907
DOIs
StatePublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Health Professions(all)

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