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The effect of stretching on transmural shear wave anisotropy in cardiac shear wave elastography

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Abstract
Shear Wave Elastography (SWE) is a potential tool for non-invasively assessing myocardial stiffness to support diagnosis and treatment choice in patients with cardiac disorders. Previous studies demonstrated a 3D anisotropic shear wave propagation in cardiac SWE due to the intrinsic myocardial fiber architecture. The aim of this work is to further investigate the performance of cardiac SWE by studying the effect of uniaxial stretching on anisotropic shear wave propagation and characterization. Results showed a clear increase in group and dominant phase speed during stretching, especially along the direction of the fiber. Additionally, the maximal group and dominant phase speed value spatially shifted while stretching, indicating an alignment of the fibers to the stretching direction. Complementary numerical modeling could further explore these interactions between myocardial fiber architecture and cardiac loading during SWE.
Keywords
cardiac shear wave elastography, anisotropy, stretching, group speed, phase speed

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MLA
Caenen, Annette, et al. “The Effect of Stretching on Transmural Shear Wave Anisotropy in Cardiac Shear Wave Elastography.” 2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), IEEE, 2017, pp. 1–6, doi:10.1109/ultsym.2017.8092507.
APA
Caenen, A., Thabit, A., Swillens, A., Pernot, M., Shcherbakova, D., Mertens, L., & Segers, P. (2017). The effect of stretching on transmural shear wave anisotropy in cardiac shear wave elastography. 2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), 1–6. https://doi.org/10.1109/ultsym.2017.8092507
Chicago author-date
Caenen, Annette, Abdullah Thabit, Abigail Swillens, Mathieu Pernot, Darya Shcherbakova, Luc Mertens, and Patrick Segers. 2017. “The Effect of Stretching on Transmural Shear Wave Anisotropy in Cardiac Shear Wave Elastography.” In 2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), 1–6. IEEE. https://doi.org/10.1109/ultsym.2017.8092507.
Chicago author-date (all authors)
Caenen, Annette, Abdullah Thabit, Abigail Swillens, Mathieu Pernot, Darya Shcherbakova, Luc Mertens, and Patrick Segers. 2017. “The Effect of Stretching on Transmural Shear Wave Anisotropy in Cardiac Shear Wave Elastography.” In 2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), 1–6. IEEE. doi:10.1109/ultsym.2017.8092507.
Vancouver
1.
Caenen A, Thabit A, Swillens A, Pernot M, Shcherbakova D, Mertens L, et al. The effect of stretching on transmural shear wave anisotropy in cardiac shear wave elastography. In: 2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS). IEEE; 2017. p. 1–6.
IEEE
[1]
A. Caenen et al., “The effect of stretching on transmural shear wave anisotropy in cardiac shear wave elastography,” in 2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), Washington DC, USA, 2017, pp. 1–6.
@inproceedings{8548957,
  abstract     = {{Shear Wave Elastography (SWE) is a potential tool for non-invasively assessing myocardial stiffness to
support diagnosis and treatment choice in patients with cardiac disorders. Previous studies demonstrated a 3D anisotropic shear wave propagation in cardiac SWE due to the intrinsic myocardial fiber architecture. The aim of this work is to further investigate the performance of cardiac SWE by studying the effect of uniaxial stretching on anisotropic shear wave propagation and characterization. Results showed a clear
increase in group and dominant phase speed during stretching, especially along the direction of the fiber. Additionally, the maximal group and dominant phase speed value spatially shifted while stretching, indicating an alignment of the fibers to the stretching direction. Complementary numerical modeling could further explore these interactions between myocardial fiber architecture and cardiac loading during SWE.}},
  author       = {{Caenen, Annette and Thabit, Abdullah and Swillens, Abigail and Pernot, Mathieu and Shcherbakova, Darya and Mertens, Luc and Segers, Patrick}},
  booktitle    = {{2017 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS)}},
  isbn         = {{9781538633830}},
  issn         = {{1948-5719}},
  keywords     = {{cardiac shear wave elastography,anisotropy,stretching,group speed,phase speed}},
  language     = {{eng}},
  location     = {{Washington DC, USA}},
  pages        = {{1--6}},
  publisher    = {{IEEE}},
  title        = {{The effect of stretching on transmural shear wave anisotropy in cardiac shear wave elastography}},
  url          = {{http://doi.org/10.1109/ultsym.2017.8092507}},
  year         = {{2017}},
}

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