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The aim of this study was to validate cardiac output (CO) values obtained by fully automated segmentation of the left ventricle (LV) against CO measured from the volume flow in the pulmonary artery. Segmentation of the LV in 3D echographic images may substantially support clinical diagnosis of (congenital) heart disease. Assumptions about shape and appearance of the heart are often incorporated in...
In this study, the first preliminary results are reported of a beagle study on valvular aortic stenosis using BiPlane strain imaging. A previously reported strain method was applied to BiPlane RF-data of the heart of four beagles. A window-level tracking algorithm was devised, using a neighbour-based regularization force and a weighting factor that is highly depended on the cross-correlation values...
With ultrasound strain imaging, the function of tissue and organs can be identified. The technique uses multiple images, acquired from tissue under different degrees of deformation. We recently applied this technique on hearts and skeletal muscles. Cardiac data was acquired in dogs with a valvar aorta stenosis. Muscle data was acquired from the orbicular oral muscle in the upper lip. For accurate...
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