Integrated Information Services for ealthcare Decision Support System based on Service-Oriented Architecture
Date Issued
2009
Date
2009
Author(s)
Hsieh, Sung-Huai
Abstract
Healthcare vendors are often hindered in their efforts to evolve due to extensive existing investments in hardware, software, and medical devices, that they must continue to maintain, while at the same time coming under pressure to innovate new systems. A new trend and challenge in healthcare information-based services systems is to separate healthcare clinical information from health application systems. In this thesis, we present the successful experiences of an integrated, collaborative, distributed, large-scale Enterprise Healthcare Information System (EHIS) constructed over both wired and wireless infrastructure at the National Taiwan University Hospital. In order to smoothly and sequentially transfer from the complex relations among the old (legacy) systems to the new generation EHIS, we adopted a multi-tier framework based on service-oriented architecture (SOA) to integrate the heterogeneous systems as well as allow for interoperation among many other components and multiple databases. We also present mechanisms of the logically layer reusability approach and data (message) exchange flow via HL7 Middleware, DICOM standard and the IHE workflow. Meanwhile, we propose and verify an Information Services for Healthcare Decision Support System based on the NTUH Healthcare Information System (HIS).
Subjects
healthcare information system
clinical decision support
service-oriented architecture
newborn screening system
support vector machine
Type
thesis
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