Multiscale flow patterns within an intracranial aneurysm phantom

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Abstract

Straightforward quantification of variations of flow patterns within aneurysms fails to accurately describe flow patterns of interest. We applied a multiscale decomposition of the flow in well-defined patterns to detect and quantify flow patterns in an aneurysm phantom that was studied with three different modalities: MRI, computational fluid dynamics, and particle image velocimetry. The method intuitively visualizes main patterns such as locally uniform flow, in- and outflow, and vortices. It is shown that this method is a valuable tool to quantitatively compare scale-dependent complex flow patterns in aneurysms
Original languageEnglish
Pages (from-to)3447-3450
Number of pages4
JournalIEEE transactions on bio-medical engineering
Volume58
Issue number12
DOIs
Publication statusPublished - 2011

Keywords

  • Blood Flow Velocity/physiology
  • Computer Simulation
  • Humans
  • Image Processing, Computer-Assisted
  • Intracranial Aneurysm/physiopathology
  • Magnetic Resonance Angiography
  • Models, Cardiovascular
  • Phantoms, Imaging
  • Rheology

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