ArticlePhysics in medicine and biology2021
Multimodal guided wave inversion for arterial stiffness: methodology and validation in phantoms.
Article in Physics in medicine and biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- The Geometric Dependence of Wave Velocity in Carotid Arteries: Phantom and Finite Element Study and Implications for Vascular "Shear Wave" Elastography.Ultrasound in medicine & biology · 2025Article
- Simultaneous imaging of bidirectional guided waves probes arterial mechanical anisotropy, blood pressure, and stress synchronously.Science advances · 2025Article
- Estimation of In Vivo Human Carotid Artery Elasticity Using Arterial Dispersion Ultrasound Vibrometry.Ultrasound in medicine & biology · 2025Article
- Quantifying uniaxial prestress and waveguide effects on dynamic elastography estimates for a cylindrical rod.The Journal of the Acoustical Society of America · 2023Article
- Generalized Bayes approach to inverse problems with model misspecification.Inverse problems · 2023Article
- Decoupling Uniaxial Tensile Prestress and Waveguide Effects From Estimates of the Complex Shear Modulus in a Cylindrical Structure Using Transverse-Polarized Dynamic Elastography.Journal of engineering and science in medical diagnostics and therapy · 2023Article
- Full waveform inversion for arterial viscoelasticity.Physics in medicine and biology · 2023Article
- Biaxial Tensile Prestress and Waveguide Effects on Estimates of the Complex Shear Modulus Using Optical-Based Dynamic Elastography in Plate-Like Soft Tissue Phantoms.Journal of engineering and science in medical diagnostics and therapy · 2023Article
- Understanding Arterial Biomechanics with Ultrasound and Waveguide - Models.Acoustics today · 2023Article
- Measurement of wave propagation through a tube using dual transducers for elastography in arteries.Physics in medicine and biology · 2022Article
- Full wave simulation of arterial response under acoustic radiation force.Computers in biology and medicine · 2022Article
- The influence of acoustic radiation force beam shape and location on wave spectral content for arterial dispersion ultrasound vibrometry.Physics in medicine and biology · 2022Article
- The combined importance of finite dimensions, anisotropy, and pre-stress in acoustoelastography.The Journal of the Acoustical Society of America · 2022Review
- Toward improved accuracy in shear wave elastography of arteries through controlling the arterial response to ultrasound perturbation in-silico and in phantoms.Physics in medicine and biology · 2021Article
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Authors and funding
5 authors.
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Abstract
Arterial stiffness is an important biomarker for many cardiovascular diseases. Shear wave elastography is a recent technique aimed at estimating local arterial stiffness using guided wave inversion (GWI), i.e. matching the computed and measured wave dispersion. This paper develops and validates a new GWI approach by synthesizing various recent observations and algorithms: (a) refinements to signal processing to obtain more accurate experimental dispersion curves; (b) an efficient forward model to compute theoretical dispersion curves for immersed, incompressible cylindrical waveguides; (c) an optimization framework based on the recent observation that the measured dispersion curve is multimodal, i.e. it matches for not one but two different wave modes in two different frequency ranges. The resulting inversion approach is validated using extensive experimental data from rubber tube phantoms, not only for modulus estimation but also to simultaneously estimate modulus and wall thickness. The observations indicate that the modulus estimates are best performed with the information on wall thickness. The approach, which takes less than half a minute to run, is shown to be accurate, with the modulus estimated with less than 4% error for 70% of the experiments.
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