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3-D Intraventricular Vector Flow Mapping Using Triplane Doppler Echo

Florian Vixège 1 Alain Berod 2 Franck Nicoud 2 Pierre-Yves Courand 1 Didier Vray 1 Damien Garcia 1 
1 Imagerie Ultrasonore
CREATIS - Centre de Recherche en Acquisition et Traitement de l'Image pour la Santé
Abstract : We generalized and improved our clinical technique of twodimensional intraventricular vector flow mapping (2D-iVFM) for a full-volume three-component analysis of the intraventricular blood flow (3D-iVFM). While 2D-iVFM uses three-chamber color Doppler images, 3D-iVFM is based on the clinical mode of triplane color Doppler echocardiography. As in the previous twodimensional version, 3D-iVFM relies on mass conservation and free-slip endocardial boundary conditions. For sake of robustness, the optimization problem was written as a constrained least-squares problem. We tested and validated 3D-iVFM in silico through a patient-specific heart-flow CFD (computational fluid dynamics) model, as well as in vivo in one healthy volunteer. The intraventricular vortex that forms during left ventricular filling was deciphered. After further validation, 3D-iVFM could offer clinically compatible 3-D echocardiographic insights into left intraventricular hemodynamics.
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Submitted on : Tuesday, June 28, 2022 - 10:37:10 AM
Last modification on : Saturday, September 24, 2022 - 2:44:05 PM


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Florian Vixège, Alain Berod, Franck Nicoud, Pierre-Yves Courand, Didier Vray, et al.. 3-D Intraventricular Vector Flow Mapping Using Triplane Doppler Echo. Daniel B. Ennis; Luigi E. Perotti; Vicky Y. Wang. Functional Imaging and Modeling of the Heart. 11th International Conference, FIMH 2021, Stanford, CA, USA, June 21-25, 2021, Proceedings, 12738, Springer International Publishing, pp.587-594, 2021, Lecture Notes in Computer Science, 978-3-030-78709-7. ⟨10.1007/978-3-030-78710-3_56⟩. ⟨hal-03538680⟩



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