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EHR architectures - comparison and trends
1eHealth Competence Center, University of Regensburg Medical Center, Regensburg, Germany. bernd.blobel@klinik.uni-regensburg.de
Studies in Health Technology and Informatics
|April 1, 2008
Summary
Healthcare systems need interoperable architectures for Electronic Health Records (EHRs). The Generic Component Model (GCM) provides a framework to assess and migrate diverse EHR approaches for better care quality and efficiency.
Area of Science:
- Health Informatics
- Software Architecture
- Systems Engineering
Background:
- Healthcare systems require enhanced quality, safety, efficiency, and productivity.
- This necessitates a shift towards collaborative structures and advanced health information systems.
- Electronic Health Record (EHR) systems are central to eHealth, demanding sustainable and semantically interoperable architectures.
Purpose of the Study:
- To introduce and utilize the Generic Component Model (GCM) as a reference architecture.
- To compare existing and emerging EHR system approaches.
- To provide a framework for assessing EHR system architectures based on defined dimensions.
Main Methods:
- Assessment of EHR systems using the Generic Component Model (GCM).
- Analysis based on GCM dimensions: transparent domain representation, composition/decomposition behavior, and reflection of viewpoints.
- Evaluation of component interoperability levels within EHR systems.
Main Results:
- The GCM framework allows for a structured comparison of different EHR system architectures.
- Systems can be evaluated based on their domain representation, component behavior, and interoperability.
- Interrelation of these aspects is crucial for system analysis, design, implementation, and deployment.
Conclusions:
- The Generic Component Model (GCM) offers a unified approach to analyze and compare EHR systems.
- GCM facilitates the migration and integration of diverse EHR approaches.
- Implementing GCM principles supports the development of advanced, interoperable health information systems.
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