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Using openEHR Archetypes for Automated Extraction of Numerical Information from Clinical Narratives

  • Up to 80% of medical information is documented by unstructured data such as clinical reports written in natural language. Such data is called unstructured because the information it contains cannot be retrieved automatically as straightforward as from structured data. However, we assume that the use of this flexible kind of documentation will remain a substantial part of a patient’s medical record, so that clinical information systems have to deal appropriately with this type of information description. On the other hand, there are efforts to achieve semantic interoperability between clinical application systems through information modelling concepts like HL7 FHIR or openEHR. Considering this, we propose an approach to transform unstructured documented information into openEHR archetypes. Furthermore, we aim to support the field of clinical text mining by recognizing and publishing the connections between openEHR archetypes and heterogeneous phrasings. We have evaluated our method by extracting the values to three openEHR archetypes from unstructured documents in English and German language.

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Author:Maximilian Zubke, Oliver J. BottGND, Michael MarschollekGND
DOI original:https://doi.org/https://doi.org/10.3233/SHTI190820
Parent Title (English):German Medical Data Sciences: Shaping Change – Creative Solutions for Innovative Medicine (Studies in Health Technology and Informatics ; 267)
Document Type:Part of a Book
Year of Completion:2019
Publishing Institution:Hochschule Hannover
Release Date:2020/04/06
GND Keyword:Text Mining; Information Extraction; Maschinelles Lernen
First Page:156
Last Page:163
Link to catalogue:169420216X
Institutes:Fakultät III - Medien, Information und Design
DDC classes:020 Bibliotheks- und Informationswissenschaft
610 Medizin, Gesundheit
Licence (German):License LogoCreative Commons - CC BY-NC - Namensnennung - Nicht kommerziell 4.0 International