Outcomes of Patients With Discordant High-Gradient Aortic Valve Stenosis.

Branka Vulesevic,Ian G. Burwash,Luc M. Beauchesne,Claire Cimadevilla,Leila Siouti,Sarah Tubiana,Xavier Duval,Virginia Nguyen,Dimitri Arangalage,Kwan L. Chan,Erin E. Mulvihill,David Messika-Zeitoun

JACC: Cardiovascular Imaging（2020）

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摘要

Severe aortic stenosis (AS) is defined by a peak velocity (PV) of ≥4 m/s, a mean pressure gradient (MPG) of ≥40 mm Hg, and an aortic valve area (AVA) of u003c1.0 cm2 ([1][1]). However, these parameters are often discordant (AVA u003c1.0 cm2 and MPG u003c40 mm Hg or AVA ≥1.0 cm2 and MPG ≥

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high-gradient

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