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Strain and strain rate generated by shear wave elastography in ex vivo porcine aortas
KTH, School of Technology and Health (STH), Medical Engineering.ORCID iD: 0000-0002-9654-447X
KTH, School of Technology and Health (STH), Medical Engineering.ORCID iD: 0000-0003-1002-2070
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2017 (English)In: IEEE International Ultrasonics Symposium, IUS, IEEE Computer Society , 2017Conference paper, Published paper (Refereed)
Abstract [en]

In shear wave elastography (SWE), acoustic radiation forces (ARF) are employed to generate shear waves within the tissue. Although the transmitted pulses are longer than those in conventional clinical ultrasound, they typically obey the mechanical and thermal regulatory limits. In arterial applications, specific safety concerns may arise, as ARF-induced stresses and strain rates could potentially affect the arterial wall. A previous simulation study (Doherty et al., J Biomech, 2013 Jan; 46(1):83-90) showed that stresses imposed by the ARF used in SWE are orders of magnitude lower than those caused by blood pressure. ARF-induced strain rates have not been investigated yet, therefore the aim of this study was to assess such strain rates in an ex vivo setup.

Place, publisher, year, edition, pages
IEEE Computer Society , 2017.
National Category
Medical Equipment Engineering
Identifiers
URN: urn:nbn:se:kth:diva-227077DOI: 10.1109/ULTSYM.2017.8092757Scopus ID: 2-s2.0-85039461127ISBN: 9781538633830 OAI: oai:DiVA.org:kth-227077DiVA, id: diva2:1206931
Conference
2017 IEEE International Ultrasonics Symposium, IUS 2017, 6 September 2017 through 9 September 2017
Note

QC 20180518

Available from: 2018-05-18 Created: 2018-05-18 Last updated: 2018-05-18Bibliographically approved

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Maksuti, EliraLarsson, DavidLarsson, Matilda

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