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Application integration in healthcare domain - Electronic prescription in Czech Republic using HL7 standards
Slavětínský, Václav ; Stanovská, Iva (advisor) ; Hřib, Zdeněk (referee)
This thesis is concerned with electronic prescription of drugs in the Czech republic. The objective is to find a proper standard for electronic medical data exchange and use it for building a new data communication interface for the e-prescription system. This work attends to the evolution and actual situation of the national e-prescription system. The system is based on one central storage for e-prescriptions, however, currently it isn't being used. On basis of valid legislation, electronic prescription and drug dispense processes are analyzed. Furthermore, present central storage data interface is explored. Considering advantages, that are bound to utilization of electronic data exchange standards, main objective of this thesis is given, to design a new interface for transmission of e-prescriptions and drug dispense notifications. New interface shall adhere to standards. Czech standard DASTA and europian norm EN13606 were examined. After all, set of specifications HL7 (Health Level Seven) has been chosen, which suits the requirements best. Data interface design, with HL7 standards, is based on exchange of documents. Documents (prescription, dispense notification) are expressed in the Clinical Document Architecture (CDA) format, and exchanged between applications by means of the Medical Records domain messages. The structure of wrappers, forming a message, results from common HL7 Specification Infrastructure. Presented design has been inspired by Finnish solution eResepti. The design tries to transform present interface of central storage to format, which is defined by selected HL7 specifications. It can be used in both local and central e-prescription systems. It may also support the development of systems for electronic health(care) records exchange.
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