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Related Experiment Video

Updated: Jun 11, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Computational fluid dynamics for brain circulation and aneurysm with therapeutic devices.

K Fukasaku1, M Negoro, H Iwase

  • 1Advance Computing Centre; Computational Biomechanics Unit, Riken (The Institute of Physical and Chemical Research); Wako, Japan - fukasaku@med.nagoya-u.ac.jp - fukasaku@postman.riken.go.jp.

Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences
|July 1, 2010
PubMed
Summary

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This study analyzes brain artery blood flow using advanced imaging and computational fluid dynamics (CFD). The developed software simulates therapeutic devices, aiding in treatment design and understanding complex vascular dynamics.

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Fluid Dynamics

Background:

  • Understanding blood flow in complex cerebral vasculature is crucial for treating neurological conditions.
  • Existing methods for analyzing cerebrovascular dynamics have limitations in simulating interventions.

Purpose of the Study:

  • To develop and validate a computational fluid dynamics (CFD) system for analyzing blood flow in brain arteries.
  • To simulate the impact of therapeutic devices like coils and stents on cerebral blood flow.

Main Methods:

  • Utilized 3D Computed Tomography Angiography (CTA) and Magnetic Resonance Angiography (MRA) to create detailed 3D models of brain vessels.
  • Developed custom software for fluid dynamics analysis, including streamline visualization, integrated with a Volume Computer-Aided Design (VCAD) software.

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Last Updated: Jun 11, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
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  • Incorporated therapeutic devices (coils, stents, balloons) into the models for CFD simulations.

    • Main Results:

    • Successfully modeled complex vascular structures like the Circle of Willis with multiple inflows and outflows.
    • Simulated blood flow patterns with and without therapeutic devices, demonstrating their influence on hemodynamics.
    • Validated the capability to analyze flow in communicating arteries and simulate parent artery occlusion.

    Conclusions:

    • The developed CFD system provides a powerful tool for analyzing cerebrovascular fluid dynamics.
    • This system aids in simulating the effects of embolization and designing novel therapeutic devices.
    • Offers insights into complex flow patterns within the brain's arterial network, including the Circle of Willis.