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3D Reconstruction of the Left Ventricle From Four Echocardiographic Projections

[+] Author Affiliations
Navaneetha Krishnan Rajan, Zeying Song, Kenneth R. Hoffmann, Iman Borazjani

University at Buffalo, SUNY, Buffalo, NY

Marek Belohlavek, Eileen M. McMahon

Mayo Clinic, Scottsdale, AZ

Paper No. DETC2014-34463, pp. V01AT02A046; 10 pages
doi:10.1115/DETC2014-34463
From:
  • ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1A: 34th Computers and Information in Engineering Conference
  • Buffalo, New York, USA, August 17–20, 2014
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4628-5
  • Copyright © 2014 by ASME

abstract

The left ventricle (LV) of a human heart receives oxygenated blood from the lungs and pumps it throughout the body via the aortic valve. Characterizing the LV geometry, its motion, and the ventricular flow is critical in assessing the heart’s health. An automated method has been developed in this work to generate a three-dimensional (3D) model of the LV from multiple-axis echocardiography (echo). Image data from three long-axis sections and a basal section is processed to compute spatial nodes on the LV surface. The generated surfaces are output in a standard format such that it can be imported into the curvilinear-immersed boundary (CURVIB) framework for numerical simulation of the flow inside the LV. The 3D LV model can be used for better understanding of the ventricular motion and the simulation framework provides a powerful tool for studying left ventricular flows on a patient specific basis. Future work would incorporate data from additional cross-sectional images.

Copyright © 2014 by ASME

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