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Using a service oriented architecture approach to clinical decision support: performance results from two CDS
Marilyn D Paterno1, Howard S Goldberg, Linas Simonaitis
1Clinical Informatics R&D, Partners HealthCare System, Inc., Brigham & Women's Hospital, Boston, MA, USA.
AMIA ... Annual Symposium Proceedings. AMIA Symposium
|January 11, 2013
Summary
The Clinical Decision Support Consortium tested a web service for clinical decision support (CDS) rules across electronic health record (EHR) systems. The service demonstrated reliable performance with a mean call time of just over 2 seconds.
Area of Science:
- Health Informatics
- Clinical Decision Support Systems
Background:
- The Clinical Decision Support Consortium (CDSC) developed a web service for executing clinical decision support (CDS) rules.
- Integration of CDS into electronic health record (EHR) systems is crucial for improving patient care.
Purpose of the Study:
- To evaluate the performance, reliability, and response time of a web service for CDS rule execution across multiple EHR systems.
- To assess the feasibility of a Services Oriented Architecture (SOA) approach for multi-institutional CDS.
Main Methods:
- Conducted two 6-month demonstration trials of the CDS web service.
- Integrated the service with two distinct EHR systems: Partners HealthCare and Wishard Memorial Hospital.
- Collected and analyzed technical performance data, including service call times, reliability metrics, and response times.
Main Results:
- The CDS web service demonstrated consistent performance across both trial sites.
- Mean service call time was consistently just over 2 seconds.
- Reliability and response time data indicated successful technical component operation.
Conclusions:
- The web service effectively supports the execution of CDS rules within diverse EHR environments.
- A Services Oriented Architecture approach is viable for scalable, multi-institutional CDS implementation.
- Further analysis and optimization are planned to enhance the CDS service.
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