Quantifying Myocardial Contractility Changes Using Ultrasound-Based Shear Wave Elastography.

Maryam Vejdani-Jahromi,Jenna Freedman, Matthew Nagle,Young-Joong Kim,Gregg E Trahey,Patrick D Wolf

Journal of the American Society of Echocardiography（2017）

引用 25|浏览7

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摘要

•Improved measures of contractility would affect the diagnosis of heart failure.•Ultrasound SWEI can provide direct systolic measurement of myocardial stiffness.•Stepwise changes in cardiac contractility were achieved using the Gregg effect.•SWEI measurements of stiffness linearly correlated with contractile state.

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关键词

Contractility,Shear wave elasticity imaging (SWEI),Elastography,Gregg effect,Tissue characterization,Ultrasound imaging

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