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Model-based design and implementation of secure, interoperable EHR systems.

Bernd Blobel1, George Stassinopoulos, Peter Pharow

  • 1University of Magdeburg, Institute of Biometry and Medical Informatics, Magdeburg, Germany. bernd.blobel@mrz.uni-magdeburg.de

AMIA ... Annual Symposium Proceedings. AMIA Symposium
|January 20, 2004
PubMed
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A standardized methodology using the ISO Reference Model - Open Distributed Processing is crucial for developing secure and interoperable Electronic Health Record (EHR) systems. This approach ensures comprehensive design from legal to technical aspects, enhancing system longevity and data integrity.

Area of Science:

  • Health Informatics
  • Computer Science
  • Information Systems Engineering

Background:

  • Designing secure, interoperable, portable, and future-proof Electronic Health Record (EHR) systems requires a standardized methodology.
  • Existing approaches often lack a comprehensive framework covering diverse system aspects.

Purpose of the Study:

  • To establish and apply a standardized methodology for EHR system design and implementation.
  • To leverage the ISO Reference Model - Open Distributed Processing for a component-based EHR system description.

Main Methods:

  • Utilized the ISO Reference Model - Open Distributed Processing (RM-ODP) for a component-based system description.
  • Applied meta-languages for harmonizing vocabularies across different system views.
  • Considered legal, organizational, functional, and technical aspects of information systems.

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Main Results:

  • Demonstrated a model-based approach for the design, implementation, and maintenance of a distributed clinical study system.
  • Successfully applied the methodology to a real-world internet-based clinical study.

Conclusions:

  • The proposed methodology provides a robust framework for developing secure, interoperable, and future-proof EHR systems.
  • The ISO RM-ODP offers a suitable foundation for describing complex information systems, including EHRs.
  • Harmonization of vocabularies through meta-languages is key to achieving interoperability.