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A generic, web-based clinical information system architecture using HL7 CDA: successful implementation in
Thilo Schuler1, Martin Boeker, Rüdiger Klar
1Department of Medical Informatics, University Medical Center Freiburg, Germany. thilo.schuler@gmail.com
Studies in Health Technology and Informatics
|October 4, 2007
Summary
This study introduces a flexible framework using HL7 Clinical Document Architecture (CDA) to improve hospital information systems (HIS) for specialized clinical needs. A successful pilot in dermatology demonstrates enhanced documentation and data exchange, addressing HIS deficiencies.
Area of Science:
- Health Informatics
- Clinical Documentation Standards
Background:
- Hospital Information Systems (HIS) often lack support for specialized clinical domains.
- This leads to paper-based records or poorly integrated external systems, hindering efficient healthcare delivery.
Purpose of the Study:
- To present a generic framework for enhancing HIS to meet specialized clinical domain requirements.
- To improve documentation, data storage, and standardized data exchange within healthcare settings.
Main Methods:
- Development of a generic framework based on HL7 Clinical Document Architecture (CDA).
- Utilizing schema-controlled XML for defining customized, flexible forms.
- Driving user interface, data storage, and data exchange through these form definitions.
Main Results:
- A proof-of-concept application successfully implemented in a dermatologic outpatient wound care department.
- The system demonstrated acceptance and usability among clinicians.
- Validated the framework's capability to address HIS deficiencies in specialized areas.
Conclusions:
- The proposed HL7 CDA-based framework effectively addresses the underrepresentation of specialized clinical domains in HIS.
- Customized, schema-driven forms offer flexibility for user interfaces, data storage, and standardized exchange.
- Further practical research in health information standards is needed for broader adoption and improvement.
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