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Computerized analysis of cardiotocograms and fetal movements
Bailliere'S Clinical Obstetrics and Gynaecology
|December 1, 1990
Summary
Electronic monitoring of fetal heart rate and movement provides automatic diagnosis of fetal distress. This system, integrating expert knowledge and computer analysis, aids obstetrical research and clinical practice.
Area of Science:
- Medical Engineering
- Obstetrics
- Fetal Monitoring
Background:
- Electronic acquisition and computer processing of fetal signals (heart rate, movement) are advancing medical engineering.
- Expert obstetrical knowledge is being integrated into computational analysis for improved fetal assessment.
Purpose of the Study:
- To develop and implement computer-based systems for automatic quantification and diagnosis of fetal distress.
- To analyze fetal behavioral states using electronic signals and cross-correlational methods.
Main Methods:
- Utilized analogue-to-digital converters and personal computers for signal processing.
- Developed minicomputer programs, stored in programmable read-only memory (PROM), for automatic fetal heart rate analysis and diagnosis.
- Created an ultrasonic Doppler fetal actocardiograph to analyze fetal movement signals.
Main Results:
- Automatic quantification and diagnosis of fetal distress were achieved through computer processing.
- Fetal behavioral states were automatically recognized by analyzing fetal movement characteristics.
- Cross-correlational analysis revealed a strong relationship between fetal heart rate and fetal movement.
Conclusions:
- Computerized analysis of electronic fetal signals enhances diagnostic capabilities in obstetrics.
- The developed systems are valuable tools for both clinical practice and obstetrical research.
- Integration of fetal heart rate and movement data provides comprehensive fetal well-being insights.