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[Computer assisted determination of left-ventricular contraction abnormalities using two-dimensional
Zeitschrift Fur Kardiologie
|January 1, 1984
Summary
The area-change method with an intracardiac floating reference system best detects left ventricular wall motion abnormalities in echocardiography. This method offers superior reproducibility and a smaller normal range compared to radial shortening.
Area of Science:
- Cardiology
- Medical Imaging
- Echocardiography
Context:
- Assessing left ventricular function is crucial in cardiology.
- Echocardiography is a primary non-invasive imaging modality.
- Standardized methods are needed for accurate wall motion analysis.
Purpose:
- To determine the optimal echocardiographic method for assessing normal left ventricular contraction patterns.
- To evaluate different reference systems (fixed vs. floating axis) and measurement techniques (radial shortening vs. area change).
- To assess interobserver variability and reproducibility of these methods.
Summary:
- 181 patients without heart disease underwent echocardiography to define normal left ventricular contraction patterns using radial shortening and area-change methods with fixed and floating reference systems.
- The area-change method with a floating axis system demonstrated a smaller range of normal contraction and better reproducibility.
- Intracardiac fixed reference systems were found to have unacceptable variability for detecting abnormalities.
Impact:
- The findings suggest that the area-change method with an intracardiac floating reference system is the most reliable for detecting left ventricular wall motion abnormalities.
- This can lead to more accurate diagnoses and improved patient management in cardiovascular care.
- Highlights the superiority of apical 4-chamber views and floating axis methods for echocardiographic assessment.