Application of guided waves for quantifying elasticity and viscoelasticity of boundary sensitive organs

Sara Aristizabal, Matthew W Urban, Luiz Vasconcelos, Benjamin Wood, Miguel Bernal, Javier Brum, Ivan Nenadic

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Certain organs, because of their finite thickness with respect to the shear wavelength, produce guided wave behavior. This chapter summarizes experimental results of in vivo application of guided waves in the viscoelastic assessment of the myocardium, large arteries, bladder, cornea, and tendons. The Lamb wave dispersion ultrasound vibrometry method allows for the estimation of elasticity and viscosity of the myocardial wall throughout the course of the cardiac cycle. Bernal studied arterial elasticity by identifying the modes of wave propagation in tubes made out of urethane rubber and excised pig carotid arteries using the two‐dimensional fast Fourier transform. The ex vivo experiments showed that ultrasound bladder vibrometry (UBV) can track changes of the bladder wall's elastic properties, moreover there was a high correlation between the pressure measurements and the shear modulus estimated using UBV.

Original languageEnglish (US)
Title of host publicationUltrasound Elastography for Biomedical Applications and Medicine
Publisherwiley
Pages422-441
Number of pages20
ISBN (Electronic)9781119021520
ISBN (Print)9781119021513
DOIs
StatePublished - Jan 1 2016

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Guided electromagnetic wave propagation
Viscoelasticity
Elasticity
Ultrasonics
Tendons
Pressure measurement
Fast Fourier transforms
Surface waves
Wave propagation
Rubber
Elastic moduli
Viscosity
Wavelength
Experiments

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Aristizabal, S., Urban, M. W., Vasconcelos, L., Wood, B., Bernal, M., Brum, J., & Nenadic, I. (2016). Application of guided waves for quantifying elasticity and viscoelasticity of boundary sensitive organs. In Ultrasound Elastography for Biomedical Applications and Medicine (pp. 422-441). wiley. https://doi.org/10.1002/9781119021520.ch26

Application of guided waves for quantifying elasticity and viscoelasticity of boundary sensitive organs. / Aristizabal, Sara; Urban, Matthew W; Vasconcelos, Luiz; Wood, Benjamin; Bernal, Miguel; Brum, Javier; Nenadic, Ivan.

Ultrasound Elastography for Biomedical Applications and Medicine. wiley, 2016. p. 422-441.

Research output: Chapter in Book/Report/Conference proceedingChapter

Aristizabal, S, Urban, MW, Vasconcelos, L, Wood, B, Bernal, M, Brum, J & Nenadic, I 2016, Application of guided waves for quantifying elasticity and viscoelasticity of boundary sensitive organs. in Ultrasound Elastography for Biomedical Applications and Medicine. wiley, pp. 422-441. https://doi.org/10.1002/9781119021520.ch26
Aristizabal S, Urban MW, Vasconcelos L, Wood B, Bernal M, Brum J et al. Application of guided waves for quantifying elasticity and viscoelasticity of boundary sensitive organs. In Ultrasound Elastography for Biomedical Applications and Medicine. wiley. 2016. p. 422-441 https://doi.org/10.1002/9781119021520.ch26
Aristizabal, Sara ; Urban, Matthew W ; Vasconcelos, Luiz ; Wood, Benjamin ; Bernal, Miguel ; Brum, Javier ; Nenadic, Ivan. / Application of guided waves for quantifying elasticity and viscoelasticity of boundary sensitive organs. Ultrasound Elastography for Biomedical Applications and Medicine. wiley, 2016. pp. 422-441
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