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[Medical practice-supporting system in pulmonary function testing]
1Mitsui Memorial Hospital, Tokyo.
Rinsho Byori. the Japanese Journal of Clinical Pathology
|May 1, 1997
Summary
A knowledge-based system, PADRES, automates pulmonary function testing interpretation. This system successfully performs thousands of tests annually, offering fast and understandable results for respiratory diagnostics.
Area of Science:
- Medical Informatics
- Respiratory Medicine
- Artificial Intelligence
Background:
- Pulmonary function testing systems require efficient data management and interpretation.
- Automation in medical diagnostics can improve accuracy and speed.
Purpose of the Study:
- To develop and evaluate a knowledge-based system (PADRES) for automated interpretation of pulmonary function tests.
- To assess the feasibility and performance of a microcomputer-based system in a clinical laboratory setting.
Main Methods:
- Implemented a knowledge-based system named PADRES, utilizing 87 production rules.
- Integrated the system with four measurement apparatus via a local area network (LAN) for data transfer.
- Developed the interpretation module in C language for portability across operating systems.
Main Results:
- The PADRES system interprets pulmonary function test data in an average of 2.6 seconds per set.
- The system has been operational since 1992, performing approximately 5,000 routine tests annually without faults.
- The knowledge-based approach offered advantages in understandability, reasoning transparency, and reduced data accumulation requirements.
Conclusions:
- The application of a microcomputer-based knowledge system for pulmonary function test interpretation is successful.
- PADRES demonstrates efficient and reliable automated interpretation, enhancing laboratory workflow.
- The system's modular design ensures portability and adaptability to different operating systems.