Blood Flow Patterns in the Left Ventricle by Echodynamography Method

Sri Oktamuliani, Kaoru Hasegawa, Yoshifumi Saijo

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

Abstract

The left ventricle has an important function in our body. The left ventricle receives oxygenated blood from the left atrium and brings through the aorta to the body. Therefore, estimation and visualization of blood flow velocity in the left ventricle are essential in clinical diagnosis. Color Doppler ultrasound is one of the instruments for left ventricle assessment that is used to detect blood flow velocity in the heart. However, color Doppler ultrasound shows the two-dimensional (2D) distribution of the one-dimensional (1D) velocity component of blood flow, forward or away along the transducer. The purpose of this study is to estimate and visualize the blood flow velocity in the left ventricle of the healthy volunteer and heart failure volunteers (mitral stenosis and mitral regurgitation) by Doppler ultrasound using echodynamography (EDG) method. The purpose of EDG is to estimate velocity component in a perpendicular direction to the ultrasound beam and to visualize the 2D velocity vectors of blood flow in the left ventricle. EDG composed the flow into the vortex (vortices laminar flow) and base flow (non-vortical laminar flows) components. The separation of flow is based on the continuity equation of fluid dynamics and hydrodynamics characteristics (stream function and flow function). The results show the blood flow velocity vectors are higher in the heart failure cases than the healthy case and indicated the vortex existence in the heart failure cases. In conclusion, the EDG method successfully estimated and visualized blood flow velocity in the left ventricle of the healthy and heart failure volunteers. Furthermore, the EDG method may contribute to the practical and clinical diagnosis of left ventricle assessment.

Original languageEnglish
Title of host publication2018 International Conference on Orange Technologies, ICOT 2018
EditorsAbba Suganda Girsang, Emil R. Kaburuan
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538673195
DOIs
Publication statusPublished - 2018 Jul 2
Event6th International Conference on Orange Technologies, ICOT 2018 - Bali, Indonesia
Duration: 2018 Oct 232018 Oct 26

Publication series

Name2018 International Conference on Orange Technologies, ICOT 2018

Conference

Conference6th International Conference on Orange Technologies, ICOT 2018
CountryIndonesia
CityBali
Period18/10/2318/10/26

Keywords

  • blood flow
  • echodynamography
  • heart failure
  • velocity vectors

ASJC Scopus subject areas

  • Computer Networks and Communications

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  • Cite this

    Oktamuliani, S., Hasegawa, K., & Saijo, Y. (2018). Blood Flow Patterns in the Left Ventricle by Echodynamography Method. In A. S. Girsang, & E. R. Kaburuan (Eds.), 2018 International Conference on Orange Technologies, ICOT 2018 [8705826] (2018 International Conference on Orange Technologies, ICOT 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICOT.2018.8705826