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Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue.

Publication ,  Journal Article
Hsu, SJ; Bouchard, RR; Dumont, DM; Ong, CW; Wolf, PD; Trahey, GE
Published in: Ultrasonic imaging
July 2009

Acoustic radiation force impulse (ARFI) imaging has been demonstrated to be capable of visualizing changes in local myocardial stiffness through a normal cardiac cycle. As a beating heart involves rapidly-moving tissue with cyclically-varying myocardial stiffness, it is desirable to form images with high frame rates and minimize susceptibility to motion artifacts. Three novel ARFI imaging methods, pre-excitation displacement estimation, parallel-transmit excitation and parallel-transmit tracking, were implemented. Along with parallel-receive, ECG-gating and multiplexed imaging, these new techniques were used to form high-quality, high-resolution epicardial ARFI images. Three-line M-mode, extended ECG-gated three-line M-mode and ECG-gated two-dimensional ARFI imaging sequences were developed to address specific challenges related to cardiac imaging. In vivo epicardial ARFI images of an ovine heart were formed using these sequences and the quality and utility of the resultant ARFI-induced displacement curves were evaluated. The ARFI-induced displacement curves demonstrate the potential for ARFI imaging to provide new and unique information into myocardial stiffness with high temporal and spatial resolution.

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Published In

Ultrasonic imaging

DOI

EISSN

1096-0910

ISSN

0161-7346

Publication Date

July 2009

Volume

31

Issue

3

Start / End Page

183 / 200

Related Subject Headings

  • Ventricular Function
  • Sheep
  • Reproducibility of Results
  • Phantoms, Imaging
  • Myocardial Contraction
  • Movement
  • Image Interpretation, Computer-Assisted
  • Heart Ventricles
  • Heart Atria
  • Electrocardiography
 

Citation

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ICMJE
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Hsu, S. J., Bouchard, R. R., Dumont, D. M., Ong, C. W., Wolf, P. D., & Trahey, G. E. (2009). Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue. Ultrasonic Imaging, 31(3), 183–200. https://doi.org/10.1177/016173460903100304
Hsu, Stephen J., Richard R. Bouchard, Douglas M. Dumont, Cheng W. Ong, Patrick D. Wolf, and Gregg E. Trahey. “Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue.Ultrasonic Imaging 31, no. 3 (July 2009): 183–200. https://doi.org/10.1177/016173460903100304.
Hsu SJ, Bouchard RR, Dumont DM, Ong CW, Wolf PD, Trahey GE. Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue. Ultrasonic imaging. 2009 Jul;31(3):183–200.
Hsu, Stephen J., et al. “Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue.Ultrasonic Imaging, vol. 31, no. 3, July 2009, pp. 183–200. Epmc, doi:10.1177/016173460903100304.
Hsu SJ, Bouchard RR, Dumont DM, Ong CW, Wolf PD, Trahey GE. Novel acoustic radiation force impulse imaging methods for visualization of rapidly moving tissue. Ultrasonic imaging. 2009 Jul;31(3):183–200.
Journal cover image

Published In

Ultrasonic imaging

DOI

EISSN

1096-0910

ISSN

0161-7346

Publication Date

July 2009

Volume

31

Issue

3

Start / End Page

183 / 200

Related Subject Headings

  • Ventricular Function
  • Sheep
  • Reproducibility of Results
  • Phantoms, Imaging
  • Myocardial Contraction
  • Movement
  • Image Interpretation, Computer-Assisted
  • Heart Ventricles
  • Heart Atria
  • Electrocardiography