ArticlePhysics in medicine and biology2016
Investigation of the effects of myocardial anisotropy for shear wave elastography using impulsive force and harmonic vibration.
Article in Physics in medicine and biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 31 citations in OpenAlex.
- Assessment of Myocardial Stiffness With New Echocardiographic Methods.Korean circulation journal · 2026Review
- Four-Dimensional Sequential Elastography for Ocular Tissue Using 2D Matrix Array.BME frontiers · 2026Article
- 3D rotational shear wave elasticity imaging (3D-RSWEI) in anisotropic lattice phantoms.Journal of the mechanical behavior of biomedical materials · 2025Article
- 3D finite-element study for multi-frequency harmonic shear wave elastography: shear wave speed contrast assessment and experimental verification.Journal of biomechanics · 2025Article
- Four-Dimensional (4D) Ultrasound Shear Wave Elastography Using Sequential Excitation.IEEE transactions on bio-medical engineering · 2025Article
- Feasibility of Phase Velocity Imaging Using Multi Frequency Oscillation-Shear Wave Elastography.IEEE transactions on bio-medical engineering · 2024Article
- A pilot study of cardiac guided wave elastography: AnFrontiers in acoustics · 2024Article
- Quantifying uniaxial prestress and waveguide effects on dynamic elastography estimates for a cylindrical rod.The Journal of the Acoustical Society of America · 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
- 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
- Imaging of Single Transducer-Harmonic Motion Imaging-Derived Displacements at Several Oscillation Frequencies Simultaneously.IEEE transactions on medical imaging · 2022Article
- The combined importance of finite dimensions, anisotropy, and pre-stress in acoustoelastography.The Journal of the Acoustical Society of America · 2022Review
- Anisotropy in ultrasound shear wave elastography: An add-on to muscles characterization.Frontiers in physiology · 2022Review
- Three-Dimensional Shear Wave Elastography Using a 2D Row Column Addressing (RCA) Array.BME frontiers · 2022Article
- A direct comparison of natural and acoustic-radiation-force-induced cardiac mechanical waves.Scientific reports · 2020Article
- Local myocardial stiffness variations identified by high frame rate shear wave echocardiography.Cardiovascular ultrasound · 2020Article
- Recent technological advancements in cardiac ultrasound imaging.Ultrasonics · 2018Review
- Article
- Use of Shear Wave Ultrasound Vibrometry for Detection of Simulated Esophageal Malignancy inBiomedical physics & engineering express · 2016Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
The myocardium is known to be an anisotropic medium where the muscle fiber orientation changes through the thickness of the wall. Shear wave elastography methods use propagating waves which are measured by ultrasound or magnetic resonance imaging (MRI) techniques to characterize the mechanical properties of various tissues. Ultrasound- or MR-based methods have been used and the excitation frequency ranges for these various methods cover a large range from 24-500 Hz. Some of the ultrasound-based methods have been shown to be able to estimate the fiber direction. We constructed a model with layers of elastic, transversely isotropic materials that were oriented at different angles to simulate the heart wall in systole and diastole. We investigated the effect of frequency on the wave propagation and the estimation of fiber direction and wave speeds in the different layers of the assembled models. We found that waves propagating at low frequencies such as 30 or 50 Hz showed low sensitivity to the fiber direction but also had substantial bias in estimating the wave speeds in the layers. Using waves with higher frequency content (>200 Hz) allowed for more accurate fiber direction and wave speed estimation. These results have particular relevance for MR- and ultrasound-based elastography applications in the heart.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.