Jul 11, 2008

Implementation of a query interface for a generic record server

International Journal of Medical Informatics
T AustinD Ingram


This paper presents work to define a representation for clinical research queries that can be used for the design of generic interfaces to electronic healthcare record (EHR) systems. Given the increasing prevalence of EHR systems, with the potential to accumulate life-long health records, opportunities exist to analyse and mine these for new knowledge. This potential is presently limited by many factors, one of which is the challenge of extracting information from them in order to execute a research query. There is limited pre-existing work on the generic specification of clinical queries. Sets of example queries were obtained from published studies and clinician reference groups. These were re-represented as structured logical expressions, from which a generalisable pattern (information model) was inferred. An iterative design and implementation approach was then pursued to refine the model and evaluate it. This paper presents a set of requirements for the generic representation of clinical research queries, and an information model to represent any arbitrary such query. A middleware component was implemented as an interface to an existing system that holds 20,000 anonymised cancer EHRs in order to validate the model. This com...Continue Reading

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Mentioned in this Paper

Electronic Health Records
Complement System Proteins
Theoretical Model
Medical Records, Computerized
Cessation of Life
Medical Records, Problem-Oriented
Histopathological Aspects

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