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KMID : 0603720100160040281
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Journal of Korean Society of Medical Informatics
2010 Volume.16 No. 4 p.281 ~ p.289
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Implementation of Medical Information Exchange System Based on EHR Standard
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Han Soon-Hwa
Lee Min-Ho
Kim Sang-Guk
Jeon Jun-Yong
Lee Bi-Na
Choi Myeong-Seon
Kim Il-Kon
Park Woo-Sung
Ha Kyoo-Seob
Cho Eun-Young
Kim Yoon
Bae Jae-Bong
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Abstract
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Objectives: To develop effective ways of sharing patients’ medical information, we developed a new medical information ex-change system (MIES) based on a registry server, which enabled us to exchange different types of data generated by various systems.
Methods: To assure that patient’s medical information can be effectively exchanged under different system envi-ronments, we adopted the standardized data transfer methods and terminologies suggested by the Center for Interoperable Electronic Healthcare Record (CIEHR) of Korea in order to guarantee interoperability. Regarding information security, MIES followed the security guidelines suggested by the CIEHR of Korea. This study aimed to develop essential security systems for the implementation of online services, such as encryption of communication, server security, database security, protection against hacking, contents, and network security.
Results: The registry server managed information exchange as well as the registration information of the clinical document architecture (CDA) documents, and the CDA Transfer Server was used to locate and transmit the proper CDA document from the relevant repository. The CDA viewer showed the CDA documents via connection with the information systems of related hospitals.
Conclusions: This research chooses transfer items and de-fines document standards that follow CDA standards, such that exchange of CDA documents between different systems be-came possible through ebXML. The proposed MIES was designed as an independent central registry server model in order to guarantee the essential security of patients’ medical information.
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KEYWORD
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Electronic Health Record, VPN, Web Service Security Enhanced, Health Level 7 Standard, CDA R2
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