The effect of surrounding gelatin on ultrasound generated short pulse wave propagation in arteries

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Pulse wave velocity (PWV) is widely used for estimating the stiffness of an artery. It is well known that a stiffened artery can be associated with various diseases and with aging. Usually, PWV is measured using the "foot-to-foot" method. The "foot" of the pressure wave is not clear due to reflected waves and blood noise. Also, PWV is an average indicator of artery stiffness between the two measuring points, and therefore does not identify local stiffness variations. PWV is directly related to the Young's modulus in the circumferential direction of the artery by the well known Moens-Korteweg equation. However, in this famous equation, PWV only relates to the artery properties and blood density, but does not relate to the surrounding tissue. The objective of this paper is to develop method for studying the surrounding tissue effect on the arterial waves. It is found that the short pulse wave generated by ultrasound in the artery travels faster if the artery is embedded in gelatin, which means that the gelatin stiffens the artery.

Original languageEnglish (US)
Title of host publicationProceedings - IEEE Ultrasonics Symposium
Pages1376-1379
Number of pages4
Volume2
DOIs
StatePublished - 2005
Event2005 IEEE Ultrasonics Symposium - Rotterdam, Netherlands
Duration: Sep 18 2005Sep 21 2005

Other

Other2005 IEEE Ultrasonics Symposium
CountryNetherlands
CityRotterdam
Period9/18/059/21/05

Fingerprint

Wave propagation
Ultrasonics
Stiffness
Blood
Tissue
Aging of materials
Elastic moduli

Keywords

  • Artery
  • Gelatin
  • Pulse wave
  • Stiffnes
  • Ultrasound

ASJC Scopus subject areas

  • Engineering(all)

Cite this

The effect of surrounding gelatin on ultrasound generated short pulse wave propagation in arteries. / Zhang, Xiaoming; Greenleaf, James F.

Proceedings - IEEE Ultrasonics Symposium. Vol. 2 2005. p. 1376-1379 1603110.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zhang, X & Greenleaf, JF 2005, The effect of surrounding gelatin on ultrasound generated short pulse wave propagation in arteries. in Proceedings - IEEE Ultrasonics Symposium. vol. 2, 1603110, pp. 1376-1379, 2005 IEEE Ultrasonics Symposium, Rotterdam, Netherlands, 9/18/05. https://doi.org/10.1109/ULTSYM.2005.1603110
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