Mr. Yehong Yao Profile

Yehong Yao

at Shanghai Institute of Technical Physics CAS

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Proceedings Article | 21 March 2007 Paper

Integrated secure solution for electronic healthcare records sharing

Yehong Yao, Chenghao Zhang, Jianyong Sun, Jin Jin

Proceedings Volume 6516, 65160P (2007) https://doi.org/10.1117/12.709156

KEYWORDS: Computer security, Information security, Document imaging, Control systems, Databases, Computing systems, Network security, Medicine, System integration, Web services

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The EHR is a secure, real-time, point-of-care, patient-centric information resource for healthcare providers. Many countries and regional districts have set long-term goals to build EHRs, and most of EHRs are usually built based on the integration of different information systems with different information models and platforms. A number of hospitals in Shanghai are also piloting the development of an EHR solution based on IHE XDS/XDS-I profiles with a service-oriented architecture (SOA). The first phase of the project targets the Diagnostic Imaging domain and allows seamless sharing of images and reports across the multiple hospitals. To develop EHRs for regional coordinated healthcare, some factors should be considered in designing architecture, one of which is security issue. In this paper, we present some approaches and policies to improve and strengthen the security among the different hospitals' nodes, which are compliant with the security requirements defined by IHE IT Infrastructure (ITI) Technical Framework. Our security solution includes four components: Time Sync System (TSS), Digital Signature Manage System (DSMS), Data Exchange Control Component (DECC) and Single Sign-On (SSO) System. We give a design method and implementation strategy of these security components, and then evaluate the performance and overheads of the security services or features by integrating the security components into an image-based EHR system.

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