Intracardiac echocardiography measurement of dynamic myocardial stiffness with shear wave velocimetry.

Ultrasound in Medicine & Biology
Peter HollenderGregg E Trahey

Abstract

Acoustic radiation force (ARF)-based methods have been demonstrated to be a viable tool for noninvasively estimating tissue elastic properties, and shear wave velocimetry has been used to measure quantitatively the stiffening and relaxation of myocardial tissue in open-chest experiments. Dynamic stiffness metrics may prove to be indicators for certain cardiac diseases, but a clinically viable means of remotely generating and tracking transverse wave propagation in myocardium is needed. Intracardiac echocardiography (ICE) catheter-tip transducers are demonstrated here as a viable tool for making this measurement. ICE probes achieve favorable proximity to the myocardium, enabling the use of shear wave velocimetry from within the right ventricle throughout the cardiac cycle. This article describes the techniques used to overcome the challenges of using a small probe to perform ARF-driven shear-wave velocimetry and presents in vivo porcine data showing the effectiveness of this method in the interventricular septum.

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Citations

Jan 19, 2016·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Arvin AraniPhilip A Araoz
Aug 16, 2015·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Peter HollenderGregg Trahey
Oct 8, 2014·IEEE Transactions on Medical Imaging·Maryam Vejdani-JahromiPatrick Wolf
Feb 3, 2015·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Julien GrondinElisa Konofagou
Sep 12, 2013·IEEE Transactions on Medical Imaging· Pengfei Song Shigao Chen
Aug 15, 2014·Progress in Biophysics and Molecular Biology·Pablo LamataVicente Grau
May 22, 2016·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Pengfei SongShigao Chen
Jan 10, 2017·Ultrasound in Medicine & Biology·Hendrik J VosNico de Jong
Feb 21, 2014·Ultrasonic Imaging·Vivek PatelStephen W Smith
Apr 5, 2013·Physics in Medicine and Biology·Ivan Z NenadicMostafa Fatemi
Feb 27, 2017·Journal of Magnetic Resonance Imaging : JMRI·Arvin AraniPhilip A Araoz
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Nov 17, 2020·APL Bioengineering·Alberto Redaelli, Emiliano Votta

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