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TAVR outcome after reclassification of aortic valve stenosis by using a hybrid continuity equation that combines computed tomography and echocardiography data

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In the continuity equation, assumption of a round‐shaped left ventricular outflow tract (LVOT) leads to underestimation of the true aortic valve area in two‐dimensional echocardiography. The current study evaluated whether… Click to show full abstract

In the continuity equation, assumption of a round‐shaped left ventricular outflow tract (LVOT) leads to underestimation of the true aortic valve area in two‐dimensional echocardiography. The current study evaluated whether inclusion of the LVOT area, as measured by computed tomography (CT), reclassifies the degree of aortic stenosis (AS) and assessed the impact on patient outcome after transcatheter aortic valve replacement (TAVR).

Keywords: computed tomography; aortic valve; echocardiography; continuity equation

Journal Title: Catheterization and Cardiovascular Interventions
Year Published: 2020

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