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Related Experiment Videos

DataServer: an infrastructure to support evidence-based radiology.

Alex A T Bui1, John David N Dionisio, Craig A Morioka

  • 1Department of Radiology, University of California at Los Angeles, 90024, USA.

Academic Radiology
|June 14, 2002
PubMed
Summary

This study developed an XML-based data gateway for flexible access to patient electronic medical records from various systems. The gateway enables unified data querying and supports research through de-identification.

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Area of Science:

  • Medical Informatics
  • Health Information Systems
  • Radiology Informatics

Background:

  • Evidence-based radiology requires integrated access to diverse patient data.
  • Existing systems like HIS, RIS, and PACS often operate in silos.
  • A unified information infrastructure is crucial for efficient clinical decision-making and research.

Purpose of the Study:

  • To develop a data gateway for flexible, uniform access to patient electronic medical records.
  • To create an application framework supporting queries across multiple data sources (HIS, RIS, PACS).
  • To enable systematic de-identification of patient data for research purposes.

Main Methods:

  • Utilized eXtensible Markup Language (XML) for data representation and querying.
  • Developed a framework to transform XML queries into database-specific formats.

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  • Implemented a system for processing queries and transforming results back into XML.
  • Designed the gateway for extensibility to accommodate new data sources.

    • Main Results:

    • Successfully integrated access to hospital information systems (HIS), radiology information systems (RIS), and picture archiving and communication systems (PACS).
    • Demonstrated the capability to query disparate clinical databases through a single, uniform XML representation.
    • Established a mechanism for systematic de-identification of patient data.

    Conclusions:

    • The developed XML data gateway provides flexible and unified access to comprehensive patient electronic medical records.
    • The extensible framework facilitates the integration of diverse data sources, enhancing information infrastructure for evidence-based radiology.
    • The system supports research by enabling secure, de-identified data access.