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Aortic stenosis (AS) is the most common native valve disease. The assessment of its severity is routinely performed using transthoracic 2D echocardiography. In particular, aortic valve area (AVA) is usually assessed by continuity equation, although this measurement relies on geometrical assumptions, or by planimetry on transesophageal echocardiography. Accordingly, the aim of this study was to develop...
We developed a technique for automated identification of 3D myocardial ROI suitable for translation-free quantification of myocardial videointensity over time, MVI(t), from RT3DE images. Our software was tested on 12 ECG-triggered RT3DE datasets obtained in pigs during transient contrast inflow. Analysis included: (1) semi-automated detection of endo- and epicardial surfaces using level-set techniques...
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