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    Anatomy-Guided Multi-Level Exploration of Blood Flow in Cerebral Aneurysms

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    Date
    2011
    Author
    Neugebauer, Mathias
    Janiga, Gabor
    Beuing, Oliver
    Skalej, Martin
    Preim, Bernhard
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    Abstract
    For cerebral aneurysms, the ostium, the area of inflow, is an important anatomic landmark, since it separates the pathological vessel deformation from the healthy parent vessel. A better understanding of the inflow characteristics, the flow inside the aneurysm and the overall change of pre- and post-aneurysm flow in the parent vessel provide insights for medical research and the development of new risk-reduced treatment options. We present an approach for a qualitative, visual flow exploration that incorporates the ostium and derived anatomical landmarks. It is divided into three scopes: a global scope for exploration of the in- and outflow, an ostium scope that provides characteristics of the flow profile close to the ostium and a local scope for a detailed exploration of the flow in the parent vessel and the aneurysm. The approach was applied to five representative datasets, including measured and simulated blood flow. Informal interviews with two board-certified radiologists confirmed the usefulness of the provided exploration tools and delivered input for the integration of the ostium-based flow analysis into the overall exploration workflow.
    BibTeX
    @article {10.1111:j.1467-8659.2011.01953.x,
    journal = {Computer Graphics Forum},
    title = {{Anatomy-Guided Multi-Level Exploration of Blood Flow in Cerebral Aneurysms}},
    author = {Neugebauer, Mathias and Janiga, Gabor and Beuing, Oliver and Skalej, Martin and Preim, Bernhard},
    year = {2011},
    publisher = {The Eurographics Association and Blackwell Publishing Ltd.},
    ISSN = {1467-8659},
    DOI = {10.1111/j.1467-8659.2011.01953.x}
    }
    URI
    http://dx.doi.org/10.1111/j.1467-8659.2011.01953.x
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    System hosted at  Graz University of Technology.
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