Systolic Function and the Transvalvular Mean Gradient in Patients with Severe Aortic Stenosis: Role of Left Ventricular Twist and Longitudinal Systolic Strain

Brian R. Lindman,Suzanne V. Arnold,Jose A. Madrazo,Stephanie N. Johnson,Eric Novak,Mark R. Holland,Tara A. Hohn,Alan Zajarias,James G. Miller,Julio E. Perez

Circulation（2011）

引用 23|浏览14

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摘要

Background: In patients with severe aortic stenosis (AS) (AVA <1.0 cm2), a low transvalvular mean gradient (MG) portends a worse prognosis. A low MG is associated with a low flow state, which is of...

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关键词

Aortic stenosis,Echocardiography,Ventricular function,Myocardial torsion and recoil

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