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[Acoustic quantification of right ventricular dimensions and systolic function]
C Jennesseaux1, D Metz, D Maes
1Service de cardiologie, CHU Robert-Debré, Reims.
Archives Des Maladies Du Coeur Et Des Vaisseaux
|September 28, 1998
Summary
Acoustic quantification offers a reliable, non-invasive method for assessing right ventricular function. This technique accurately measures right ventricular dimensions and fractional shortening, crucial for patient prognosis.
Area of Science:
- Cardiology
- Medical Imaging
- Echocardiography
Background:
- Right ventricular systolic function is vital for prognosis.
- Assessing the right ventricle is challenging due to its complex geometry.
- Non-invasive methods are needed for evaluating right ventricular function.
Purpose of the Study:
- To evaluate the reliability of acoustic quantification for measuring right ventricular dimensions and function.
- To assess the feasibility of automatic border detection in echocardiography for the right ventricle.
Main Methods:
- Prospective study of 34 patients.
- Utilized automatic border detection by acoustic quantification.
- Compared measurements with manual 2D echocardiography and isotopic ejection fraction.
Main Results:
- Feasibility of the technique was 92%.
- High correlation coefficients were found between acoustic quantification and manual 2D methods for end-diastolic (0.81) and end-systolic (0.85) areas, and fractional shortening (0.74).
- Correlation with isotopic ejection fraction was 0.73.
Conclusions:
- Acoustic quantification is a feasible and reliable method for assessing right ventricular dimensions.
- This technique accurately measures right ventricular contractile function.
- Automatic border detection provides a direct approach to analyzing right ventricular performance.