Patient-Specific Modeling and Analysis of the Mitral Valve Using 3D-TEE

We describe a system dedicated to the analysis of the complex three-dimensional anatomy and dynamics of an abnormal heart mitral valve using three-dimensional echocardiography to characterize the valve pathophysiology. This system is intended to aid cardiothoracic surgeons in conducting preoperative surgical planning and in understanding the outcome of "virtual" mitral valve repairs. This paper specifically addresses the analysis of three-dimensional transesophageal echocardiographic imagery to recover the valve structure and predict the competency of a surgically modified valve by computing its closed state from an assumed open configuration. We report on a 3D TEE structure recovery method and a mechanical modeling approach used for the valve modeling and simulation.

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