ArticlePhysics in medicine and biology2019
Shear wave propagation in viscoelastic media: validation of an approximate forward model.
Article in Physics in medicine and biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Phantoms for use in optical coherence elastography.Journal of biomedical optics · 2026Review
- Article
- Development of a piezo stack - laser Doppler vibrometer sensing approach for characterizing shear wave dispersion and local viscoelastic property distributions.Mechanical systems and signal processing · 2024Article
- Visualizing tactile feedback: an overview of current technologies with a focus on ultrasound elastography.Frontiers in medical technology · 2023Review
- Wave-based optical coherence elastography: The 10-year perspective.Progress in biomedical engineering (Bristol, England) · 2022Article
- A review of physical and engineering factors potentially affecting shear wave elastography.Journal of medical ultrasonics (2001) · 2021Review
- Wave Propagation in a Fractional Viscoelastic Tissue Model: Application to Transluminal Procedures.Sensors (Basel, Switzerland) · 2021Article
- Fat and fibrosis as confounding cofactors in viscoelastic measurements of the liver.Physics in medicine and biology · 2021Article
- Validations of the microchannel flow model for characterizing vascularized tissues.European journal of mechanics. B, Fluids · 2020Article
- Micro Air-Pulse Spatial Deformation Spreading Characterizes Degree of Anisotropy in Tissues.IEEE journal of selected topics in quantum electronics : a publication of the IEEE Lasers and Electro-optics SocietyArticle
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Authors and funding
4 authors.
Funding
Abstract
Many approaches to elastography incorporate shear waves; in some systems these are produced by acoustic radiation force (ARF) push pulses. Understanding the shape and decay of propagating shear waves in lossy tissues is key to obtaining accurate estimates of tissue properties, and so analytical models have been proposed. In this paper, we reconsider a previous analytical model with the goal of obtaining a computationally straightforward and efficient equation for the propagation of shear waves from a focal push pulse. Next, this model is compared with an experimental optical coherence tomography (OCT) system and with finite element models, in two viscoelastic materials that mimic tissue. We find that the three different cases-analytical model, finite element model, and experimental results-demonstrate reasonable agreement within the subtle differences present in their respective conditions. These results support the use of an efficient form of the Hankel transform for both lossless (elastic) and lossy (viscoelastic) media, and for both short (impulsive) and longer (extended) push pulses that can model a range of experimental conditions.
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