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Clinical assessment of prosthetic valve function.
1Department of Cardiology, University of Wales College of Medicine, Cardiff, UK.
Journal of Medical Engineering & Technology
|January 1, 1992
Summary
High-quality ultrasound technology enables accurate prosthetic valve assessment, replacing invasive cardiac catheterization. Echocardiography provides detailed morphology and serial follow-up, using patients as their own controls for reliable function evaluation.
Area of Science:
- Cardiovascular imaging
- Medical device evaluation
Background:
- Assessing prosthetic valve function is crucial for patient management.
- Traditional methods like cardiac catheterization carry inherent risks.
- Establishing reliable 'normal ranges' for prosthetic function can be challenging.
Purpose of the Study:
- To highlight the utility of advanced ultrasound technology in evaluating prosthetic valve function.
- To demonstrate the comprehensive assessment capabilities of echocardiography.
- To present echocardiography as a safer alternative to cardiac catheterization.
Main Methods:
- Utilizing cross-sectional imaging, colour flow mapping, and spectral Doppler techniques.
- Performing assessments from both precordial and esophageal approaches.
- Employing echocardiography for detailed morphological and functional analysis.
Main Results:
- High-quality ultrasound allows for quicker, easier, and more accurate prosthetic valve assessment.
- Echocardiography provides comprehensive evaluation, including morphology and flow dynamics.
- Serial follow-up using echocardiography is feasible and effective.
Conclusions:
- Echocardiography is a highly effective tool for fully assessing prosthetic valve function.
- This imaging modality can obviate the need for invasive cardiac catheterization.
- Utilizing patients as their own controls enhances the reliability of prosthetic valve function monitoring.