ArticleIEEE transactions on ultrasonics, ferroelectrics, and frequency control2016
Phase Aberration and Attenuation Effects on Acoustic Radiation Force-Based Shear Wave Generation.
Article in IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Altered probe pressure and body position increase diagnostic accuracy for men and women in detecting hepatic steatosis using quantitative ultrasound.European radiology · 2024Article
- Acoustic diffraction-resistant adaptive profile technology (ADAPT) for elasticity imaging.Science advances · 2023Article
- Quantifying the Impact of Imaging Through Body Walls on Shear Wave Elasticity Measurements.Ultrasound in medicine & biology · 2023Article
- Evaluation of Robustness of Local Phase Velocity Imaging in Homogenous Tissue-Mimicking Phantoms.Ultrasound in medicine & biology · 2021Article
- Production of acoustic radiation force using ultrasound: methods and applications.Expert review of medical devices · 2018Review
- Improved Sensitivity in Ultrasound Molecular Imaging With Coherence-Based Beamforming.IEEE transactions on medical imaging · 2018Article
- Improved Shear Wave Group Velocity Estimation Method Based on Spatiotemporal Peak and Thresholding Motion Search.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2017Article
- Attenuation measuring ultrasound shearwave elastography and in vivo application in post-transplant liver patients.Physics in medicine and biology · 2017Article
- Guidelines for Finite-Element Modeling of Acoustic Radiation Force-Induced Shear Wave Propagation in Tissue-Mimicking Media.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2017Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Elasticity is measured by shear wave elasticity imaging (SWEI) methods using acoustic radiation force to create the shear waves. Phase aberration and tissue attenuation can hamper the generation of shear waves for in vivo applications. In this study, the effects of phase aberration and attenuation in ultrasound focusing for creating shear waves were explored. This includes the effects of phase shifts and amplitude attenuation on shear wave characteristics such as shear wave amplitude, shear wave speed, shear wave center frequency, and bandwidth. Two samples of swine belly tissue were used to create phase aberration and attenuation experimentally. To explore the phase aberration and attenuation effects individually, tissue experiments were complemented with ultrasound beam simulations using fast object-oriented C++ ultrasound simulator (FOCUS) and shear wave simulations using finite-element-model (FEM) analysis. The ultrasound frequency used to generate shear waves was varied from 3.0 to 4.5 MHz. Results: The measured acoustic pressure and resulting shear wave amplitude decreased approximately 40%-90% with the introduction of the tissue samples. Acoustic intensity and shear wave displacement were correlated for both tissue samples, and the resulting Pearson's correlation coefficients were 0.99 and 0.97. Analysis of shear wave generation with tissue samples (phase aberration and attenuation case), measured phase screen, (only phase aberration case), and FOCUS/FEM model (only attenuation case) showed that tissue attenuation affected the shear wave generation more than tissue aberration. Decreasing the ultrasound frequency helped maintain a focused beam for creation of shear waves in the presence of both phase aberration and attenuation.
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