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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

Research ArticleNeurointervention

Anatomically Shaped Internal Carotid Artery Aneurysm in Vitro Model for Flow Analysis to Evaluate Stent Effect

Krisztina Baráth, Francis Cassot, Daniel A. Rüfenacht and Jean H. D. Fasel
American Journal of Neuroradiology November 2004, 25 (10) 1750-1759;
Krisztina Baráth
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Francis Cassot
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Daniel A. Rüfenacht
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Jean H. D. Fasel
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Figures

  • Fig 1.
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    Fig 1.

    Elastic anatomic model with physiological curves of internal carotid artery and with aneurysm located on supraclinoid segment. Arrows show increased flow intensity at these points, caused by centrifugal effect of fluid.

  • Fig 2.
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    Fig 2.

    Lateral cross-section view of aneurysm model with implanted stent across neck.

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    Fig 3.

    Experimental setup.

  • Fig 4.
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    Fig 4.

    Gallery of images of non-stented aneurysm obtained every 0.04 s.

    A, Native images.

    B, Subsequent subtraction images.

  • Fig 5.
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    Fig 5.

    Gallery of images of stented aneurysm obtained every 0.04 s.

    A, Native images.

    B, Subsequent subtraction images.

  • Fig 6.
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    Fig 6.

    Trajectories of subsequent subtracted vortex advancement (SVC path line). Arrow shows flow unsteadiness due to effect of next vortex entering into cavity.

    A, Non-stented model.

    B, Stented model.

  • Fig 7.
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    Fig 7.

    Graphs show SVC velocity and position values.

    A, Direct velocity. Velocity of vortices in function of time shows pulsatile characteristics of flow.

    B, Indirect velocity. Trajectory length of vortex advancement (SVC position values) in function of time represents velocity of vortices.

    C, Trajectory length in function of power of time.

  • Fig 8.
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    Fig 8.

    Images of models obtained every 0.12 s.

    A, Non-stented model.

    B, Stented model.

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American Journal of Neuroradiology: 25 (10)
American Journal of Neuroradiology
Vol. 25, Issue 10
1 Nov 2004
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Anatomically Shaped Internal Carotid Artery Aneurysm in Vitro Model for Flow Analysis to Evaluate Stent Effect
Krisztina Baráth, Francis Cassot, Daniel A. Rüfenacht, Jean H. D. Fasel
American Journal of Neuroradiology Nov 2004, 25 (10) 1750-1759;
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Cite this article
Krisztina Baráth, Francis Cassot, Daniel A. Rüfenacht, Jean H. D. Fasel
Anatomically Shaped Internal Carotid Artery Aneurysm in Vitro Model for Flow Analysis to Evaluate Stent Effect
American Journal of Neuroradiology Nov 2004, 25 (10) 1750-1759;

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