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Ann Thorac Surg 2009;87:993-994. doi:10.1016/j.athoracsur.2009.02.045
© 2009 The Society of Thoracic Surgeons
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Editorial

The Use of Computational Flow Modeling (CFD) to Determine the Effect of Left Ventricular Shape on Blood Flow in the Left Ventricle

Liang Ge, PhD, Mark Ratcliffe, MD*

San Francisco Veterans Affairs Medical Center, San Francisco, California

* Address correspondence to Dr Ratcliffe, VAMC Surgery 112D, San Francisco Veterans Affairs Medical Center, 4150 Clement Street, San Francisco, CA 94121 (Email: mratcliffe@hotmail.com).

Doenst and colleagues [1] present a computational fluid dynamics (CFD) study of blood flow in the normal left ventricle (LV) and in the LV with anteroapical myocardial infarction before and after surgical ventricular remodeling (SVR). CFD simulates fluid flow by solving the Navier-Stokes equations (essentially Newton's second law of motion for fluid flow) using advanced numeric methods. Typically, a set of boundary conditions, including inlet and outlet pressures or flow velocity and conduit shape, are input to a CFD solver, which then calculates the corresponding flow field.

The authors performed magnetic resonance imaging (MRI) studies on a single healthy volunteer and on a single patient with ischemic cardiomyopathy before and after SVR. In each case, the endocardial surface was traced (contoured) throughout the cardiac cycle, and those contours were used as boundary conditions in a CFD model of blood flow in the LV. Calculation of flow . . . [Full Text of this Article]


Related Article

Fluid-Dynamic Modeling of the Human Left Ventricle: Methodology and Application to Surgical Ventricular Reconstruction
Torsten Doenst, Kathrin Spiegel, Michael Reik, Michael Markl, Jürgen Hennig, Stefan Nitzsche, Friedhelm Beyersdorf, and Herbert Oertel
Ann. Thorac. Surg. 2009 87: 1187-1195. [Abstract] [Full Text] [PDF]



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[Full Text] [PDF]


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