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Clinical Contents Harmonization of EHRs and its Relation to Semantic Interoperability
Nagy, Miroslav
This paper describes solutions proposals in the field of clinical content harmonization of electronic health records and semantic interoperability establishment. First the Czech national project "Information Technologies for the Development of Continuous Shared Healthcare" will be mentioned and its approach to creation of semantic interoperability platform. Afterwards an approach using openEHR architecture will be described. Finally a technique of creation of electronic health records with harmonized clinical content will be stated.
Fulltext: content.csg -  PDF
Plný tet: 0373335 - PDF
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Harmonization of Clinical Content in EHR: HL7 Messaging vs. OpenEHR Approach
Nagy, Miroslav
This paper sums up the last stage of the project called ”Harmonization of Clinical Content in Electronic Health Record (EHR)”, which is being solved as author’s PhD project. The aim of this project was the clinical content modeling of EHR and transportation of medical data via communication standards (HL7 v3 and CEN EN 13606). An experiment was conducted where archetypes and openEHR templates were used to send patient’s information to another EHR-S. The results were compared to the previous solution based on HL7 v3 messages, which was described at the PhD Conference ’09. At the end of the paper the author discusses contemporary semantics description of real clinical data by means of ICD-10 code-list, which covers the qualitative point of view quite well. However, the quantitative view on semantics of clinical data is much more difficult and the inevitability of medical ontologies usage is emphasized.
Fulltext: content.csg - PDF
Plný tet: 0373333 - PDF
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Implementation of Electronic Health Record for Shared Healthcare using International Standards and Nomenclatures
Nagy, Miroslav ; Hanzlíček, Petr ; Dioszegi, Matěj ; Zvárová, Jana ; Přečková, Petra ; Seidl, L. ; Zvára, K. ; Bureš, V. ; Šubrt, D.
Authors deal with development procedures of shared electronic health record (EHR) which consist of implementation of communication standard HL7 and its deployment among existing hospital information systems (HIS); and semantics modeling of transferred data. Main part of the solution are so called HL7 brokers which arrange communication among incorporated systems and each of them implements methods defined by the HL7 v.3 standard. Data models that represent communicating systems are used by the HL7 brokers and are based on the original data models of HIS, but comply with all restrictions defined in the HL7 standard. To achieve semantic interoperability it was necessary to create a mapping of existing data models to particular international nomenclature. The conclusion contains discussion about situation in the Czech Republic and how there are used international standards in comparison with established national standards.
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Aplikované informační technologie pro vývoj kontinuální sdílené zdravotní péče
Nagy, Miroslav ; Hanzlíček, Petr ; Dioszegi, Matěj ; Zvárová, Jana ; Přečková, Petra ; Seidl, L. ; Zvára, K. ; Bureš, V. ; Šubrt, D.
This article describes procedures of development of an electronic health record for shared healthcare which include implementation of communication standard HL7 v.3, its application in the environment of existing hospital information systems (HIS) and modeling the semantics of the transferred data. The main part of the solution is so called HL7 broker that serves as a mediator in the communication between the two incorporated systems and implements procedures defined in the HL7 v.3 standard. Data models which represent the communicating systems towards the HL7 broker are based on the original data models implemented in HISes and are in the proper form, demanded by the HL7 standard. In order to achieve the semantic interoperability of incorporated system the creation of mapping of existing data models to international nomenclatures was necessary. Finally the possibilities of usage of international standards and nomenclatures in comparison to the national ones are discussed.
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