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Feasibility of shear wave elastography for plaque characterization
KTH, School of Technology and Health (STH), Medical Engineering, Medical Imaging.ORCID iD: 0000-0002-2487-7400
KTH, School of Technology and Health (STH), Medical Engineering, Medical Imaging.ORCID iD: 0000-0002-9654-447X
KTH, School of Technology and Health (STH), Medical Engineering, Medical Imaging.ORCID iD: 0000-0003-1002-2070
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2014 (English)In: IEEE International Ultrasonics Symposium, IUS, 2014, 1818-1821 p.Conference paper, Published paper (Refereed)
Abstract [en]

Determining plaque vulnerability is critical when selecting the most suitable treatment for patients with atherosclerotic plaque in the common carotid artery and quantitative characterization methods are needed. In this study, shear wave elastography (SWE) was used to characterize soft plaque mimicking inclusions in three atherosclerotic arterial phantoms by using phase velocity analysis in a static environment. The results were validated with axial tensile mechanical testing (MT). SWE measured a mean shear modulus of 5.8 ± 0.3 kPa and 25.0 ± 1.2 kPa versus 3.0 kPa and 30.0 kPa measured by mechanical testing in the soft plaques and phantom walls respectively. The results show good agreement between MT and SWE for both the plaque and phantom wall.

Place, publisher, year, edition, pages
2014. 1818-1821 p.
Series
IEEE International Ultrasonics Symposium, IUS, ISSN 1948-5719 ; 6932274
Keyword [en]
Carotid Artery, Mechanical Testing, Phase Velocity, Plaque Characterization, Shear Wave Elastography
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-167518DOI: 10.1109/ULTSYM.2014.0451ISI: 000352792500449Scopus ID: 2-s2.0-84910072590ISBN: 9781479970490 (print)OAI: oai:DiVA.org:kth-167518DiVA: diva2:819745
Conference
2014 IEEE International Ultrasonics Symposium, IUS 2014, 3 September 2014 through 6 September 2014
Note

QC 20150611

Available from: 2015-06-11 Created: 2015-05-22 Last updated: 2016-12-05Bibliographically approved

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Widman, ErikMaksuti, EliraLarsson, DavidLarsson, Matilda

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