Ultrasonic Imaging of Hemodynamic Force in Carotid Blood Flow

  • N. Nitta
  • K. Homma
Conference paper
Part of the Acoustical Imaging book series (ACIM, volume 29)


Hemodynamic forces including blood pressure and shear stress affect vulnerable plaque rupture in arteriosclerosis and biochemical activation of endothelium such as NO production. In this study, a method for estimating and imaging shear stress and pressure gradient distributions in blood vessel as the hemodynamic force based on viscosity estimation is presented. Feasibility of this method was investigated by applying to human carotid blood flow. Estimated results of shear stress and pressure gradient distributions coincide with the ideal distributions obtained by numerical simulation and flow-phantom experiment.

Key words

Hemodynamic force Shear stress Pressure gradient Viscosity Velocity vector Navier-Stokes equations Carotid blood flow 


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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • N. Nitta
    • 1
  • K. Homma
    • 1
  1. 1.Institute for Human Science and Biomedecial EngineeringNational Institute of Advanced Industrial Science and Technology (AIST)Japan

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