Anatomic Characterization of the Aortic Root in Patients With Bicuspid and Tricuspid Aortic Valve Stenosis: Does Fusion of Doppler-Echocardiography and Computed Tomography Resolve Discordant Severity Grading?

Dimitri Arangalage,Mikael Laredo,Phalla Ou,Eric Brochet,Claire Cimadevilla,Maurice Enriquez-Sarano,Alec Vahanian,David Messika-Zeitoun

JACC: Cardiovascular Imaging（2019）

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摘要

Up to 30% of patients with aortic stenosis (AS) present with discordant grading (aortic valve area [AVA] u003c1 cm2, but the mean pressure gradient [MPG] ≥40 mm Hg), raising uncertainty regarding the degree of AS severity [(1)][1]. The aortic root is elliptical and transthoracic echocardiography (

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关键词

aortic root,bicuspid

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