Retrieval of Radiology Reports Citing Critical Findings with Disease-Specific Customization

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Retrieval of Radiology Reports Citing Critical Findings with Disease-Specific Customization

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Title: Retrieval of Radiology Reports Citing Critical Findings with Disease-Specific Customization
Author: Sugarbaker, Nathanael; Ivan, IP; Mar, Wendy; Lacson, Ronilda C.; Prevedello, Luciano Monte Serrat; Andriole, Katherine Patricia; Khorasani, Ramin

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Citation: Lacson, Ronilda, Nathanael Sugarbaker, Luciano M Prevedello, IP Ivan, Wendy Mar, Katherine P Andriole, and Ramin Khorasani. 2012. Retrieval of radiology reports citing critical findings with disease-specific customization. The Open Medical Informatics Journal 6: 28-35.
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Abstract: Background: Communication of critical results from diagnostic procedures between caregivers is a Joint Commission national patient safety goal. Evaluating critical result communication often requires manual analysis of voluminous data, especially when reviewing unstructured textual results of radiologic findings. Information retrieval (IR) tools can facilitate this process by enabling automated retrieval of radiology reports that cite critical imaging findings. However, IR tools that have been developed for one disease or imaging modality often need substantial reconfiguration before they can be utilized for another disease entity. Purpose: This paper: 1) describes the process of customizing two Natural Language Processing (NLP) and Information Retrieval/Extraction applications – an open-source toolkit, A Nearly New Information Extraction system (ANNIE); and an application developed in-house, Information for Searching Content with an Ontology-Utilizing Toolkit (iSCOUT) – to illustrate the varying levels of customization required for different disease entities and; 2) evaluates each application’s performance in identifying and retrieving radiology reports citing critical imaging findings for three distinct diseases, pulmonary nodule, pneumothorax, and pulmonary embolus. Results: Both applications can be utilized for retrieval. iSCOUT and ANNIE had precision values between 0.90-0.98 and recall values between 0.79 and 0.94. ANNIE had consistently higher precision but required more customization. Conclusion: Understanding the customizations involved in utilizing NLP applications for various diseases will enable users to select the most suitable tool for specific tasks.
Published Version: doi:10.2174/1874431101206010028
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