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Linking a medical vocabulary to a clinical data model using Abstract Syntax Notation 1
S M Huff1, R A Rocha, H R Solbrig
1Intermountain Health Care, Salt Lake City UT, USA. coshuff@ihc.com
Methods of Information in Medicine
|December 29, 1998
Summary
A clinical data model was developed using Abstract Syntax Notation 1 (ASN.1). This flexible model efficiently represents clinical information and facilitates inter-process communication in healthcare systems.
Area of Science:
- Health Informatics
- Computer Science
Background:
- Clinical information systems require robust data modeling.
- Standardized data representation is crucial for interoperability.
Purpose of the Study:
- To develop a clinical data model using Abstract Syntax Notation 1 (ASN.1).
- To demonstrate the flexibility and robustness of ASN.1 for clinical information representation.
Main Methods:
- Constructed a clinical model from simple data types into complex structures.
- Utilized BaseCoded for vocabulary integration and semantic relationships.
- Employed ASN.1 subtyping to manage object class proliferation.
Main Results:
- Developed a hierarchical clinical data model with elements like Attributes, Observations, Events, and Messages.
- Successfully incorporated vocabulary concepts and semantic relationships via BaseCoded.
- ASN.1 proved effective in creating a manageable and comprehensive clinical information model.
Conclusions:
- ASN.1 provides a flexible and robust notation for clinical data modeling.
- The developed model supports efficient inter-process communication within clinical information systems.
- ASN.1 subtyping aids in preventing excessive complexity in data models.