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IEEE Trans Biomed Eng. 2011 Dec;58(12):3447-50. doi: 10.1109/TBME.2011.2163070. Epub 2011 Jul 29.

Multiscale flow patterns within an intracranial aneurysm phantom.

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Biomedical Engineering and Physics Department, Academic Medical Center, University of Amsterdam, Amsterdam 1012 ZA, The Netherlands.


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.

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