Acoustoelasticity modeling of bladder tissue nonlinearity: Ex vivo study

Mahdi Bayat; Aparna Singh; Jeremy Webb; Viksit Kumar; Adriana Gregory; Azra Alizad; Mostafa Fatemi

doi:10.1109/ULTSYM.2017.8092788

Acoustoelasticity modeling of bladder tissue nonlinearity: Ex vivo study

Mahdi Bayat, Aparna Singh, Jeremy Webb, Viksit Kumar, Adriana Gregory, Azra Alizad, Mostafa Fatemi

Physiology & Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

Bladder is a complex organ and its proper function is closely tied to the mechanobiology of its multi-layer wall. Characterization of the bladder wall mechanical properties is crucial in diagnosis of diseases that can lead to lower tract infection and incontinence. Ultrasound bladder vibrometry has emerged as a noninvasive method for characterization of the bladder tissue elasticity using Lamb wave model (Nenadic et al. PLOS 2016). Previous studies have shown an increasing trend in bladder elasticity with added fluid which is an indication of a nonlinear behavior. In this study, we use the acoustoelasticity (AE) theory to quantify the bladder tissue nonlinearity parameter A. We show that this parameter can precisely differentiate between the intact and aberrant ex vivo bladder samples treated with formalin.

Original language	English (US)
Title of host publication	2017 IEEE International Ultrasonics Symposium, IUS 2017
Publisher	IEEE Computer Society
ISBN (Electronic)	9781538633830
DOIs	https://doi.org/10.1109/ULTSYM.2017.8092788
State	Published - Oct 31 2017
Event	2017 IEEE International Ultrasonics Symposium, IUS 2017 - Washington, United States Duration: Sep 6 2017 → Sep 9 2017

Other

Other	2017 IEEE International Ultrasonics Symposium, IUS 2017
Country	United States
City	Washington
Period	9/6/17 → 9/9/17

ASJC Scopus subject areas

Acoustics and Ultrasonics

Access to Document

10.1109/ULTSYM.2017.8092788

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Bayat, M, Singh, A, Webb, J, Kumar, V, Gregory, A, Alizad, A & Fatemi, M 2017, Acoustoelasticity modeling of bladder tissue nonlinearity: Ex vivo study. in 2017 IEEE International Ultrasonics Symposium, IUS 2017., 8092788, IEEE Computer Society, 2017 IEEE International Ultrasonics Symposium, IUS 2017, Washington, United States, 9/6/17. https://doi.org/10.1109/ULTSYM.2017.8092788

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AU - Gregory, Adriana

AU - Alizad, Azra

AU - Fatemi, Mostafa

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