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Towards a Generic Connection of EHR and DSS
Helma van der Linden1, Sjoerd Diepen, Gerrit Boers
1Dept. of Medical Informatics, University Maastricht, Maastricht, The Netherlands. h.vanderlinden@mi.unimaas.nl
Studies in Health Technology and Informatics
|September 15, 2005
Summary
Separating Decision Support Systems (DSS) from Electronic Health Record (EHR) systems allows for full reuse. This study demonstrates a viable, standards-based connection between EHR and DSS using HL7v3 messages and SOAP protocol.
Area of Science:
- Health Informatics
- Computer Science
- Software Engineering
Background:
- Decision Support Systems (DSS) are often tightly integrated within Electronic Health Record (EHR) systems.
- This integration limits the standalone usability and interoperability of DSS functionalities.
- A standards-based, decoupled approach is needed for flexible DSS deployment.
Purpose of the Study:
- To demonstrate the feasibility of a generic, standards-based connection between EHR and DSS.
- To enable full reuse of DSS by decoupling it from a specific EHR system.
- To validate a model for interoperable health information systems.
Main Methods:
- Implementation of a decoupled architecture using PropeRWeb as the EHR system.
- Integration of Gaston as the Decision Support System (DSS).
- Utilizing HL7v3 messages for data exchange.
- Employing the SOAP protocol for system communication.
Main Results:
- Successful establishment of a standards-based, generic connection between the EHR and DSS.
- Demonstrated viability of reusing a DSS independent of its original EHR integration.
- HL7v3 messages and SOAP protocol effectively facilitated interoperability.
Conclusions:
- Decoupling DSS from EHR systems enhances reusability and interoperability.
- Standards-based messaging (HL7v3) and protocols (SOAP) are crucial for flexible health IT architectures.
- This approach offers a viable model for modernizing health information systems.