A Reconstruction Method of Blood Flow Velocity in Left Ventricle Using Color Flow Ultrasound
Jaeseong Jang1, Chi Young Ahn2, Kiwan Jeon2
1Department of Computational Science and Engineering, Yonsei University, Seoul 120-749, Republic of Korea.
Computational and Mathematical Methods in Medicine
|June 17, 2015
Summary
This study introduces a new method to visualize blood flow in the heart using ultrasound. The technique accurately reconstructs intracardiac flow fields, improving diagnosis of cardiac dysfunction.
Area of Science:
- Cardiovascular Imaging
- Medical Physics
- Fluid Dynamics
Background:
- Vortex flow imaging offers dynamic visualization of intracardiac blood flow.
- Accurate assessment of blood flow is crucial for diagnosing cardiac dysfunction.
Purpose of the Study:
- To develop and validate a method for quantifying blood flow velocity fields within the left ventricle.
- To utilize color flow ultrasound data and a novel computational model for enhanced flow reconstruction.
Main Methods:
- A 2D incompressible Navier-Stokes equation with a mass source term was employed.
- The model incorporated measurable color flow ultrasound data and moving boundary conditions.
- Boundary conditions were derived from 2D echocardiography measurements of the ventricle.
Main Results:
- The proposed method successfully reconstructed intracardiac flow fields in numerical simulations.
- The inclusion of a mass source term significantly improved reconstruction accuracy.
- The model demonstrated feasibility for quantifying complex blood flow patterns.
Conclusions:
- The developed reconstruction method shows potential for assessing intracardiac hemodynamics.
- This technique can provide valuable insights into cardiac function and dysfunction.
- The mass source term is a key innovation for improving flow field reconstruction accuracy.
