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Research ArticleInterventionalT
Open Access

A Novel Method of Thrombus Preparation for Use in a Swine Model for Evaluation of Thrombectomy Devices

I. Kan, I. Yuki, Y. Murayama, F.A. Viñuela, R.H. Kim, H.V. Vinters and F. Viñuela
American Journal of Neuroradiology October 2010, 31 (9) 1741-1743; DOI: https://doi.org/10.3174/ajnr.A1991
I. Kan
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I. Yuki
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Y. Murayama
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F.A. Viñuela
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R.H. Kim
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H.V. Vinters
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F. Viñuela
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    Fig 1.

    Photographs showing a manual elongation test of a thrombin-induced thrombus (A and B) and a new experimental thrombus (C and D). Note that most of the thrombin-induced thrombus was torn before it attained a doubling of its length (A and B), whereas the new experimental thrombi were more elastic and solid and most of them tolerated stretching to 3 times the length of the original size (C and D).

  • Fig 2.
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    Fig 2.

    Photomicrographs of 3 different types of thrombus. A, Thrombin-induced thrombus was replete with erythrocytes and lacked a layered structure. B, Most thromboemboli recovered from patients with stroke showed a layered structure, including fibrin-rich (F) and erythrocyte-rich (E) layers. C, New experimental thrombus presented a layered pattern similar to that observed in the thromboemboli recovered from patients with stroke (B). C indicates a cellular component; E, an erythrocyte-rich component; F, a fibrin-rich component (hematoxylin-eosin, original magnification ×40).

  • Fig 3.
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    Fig 3.

    Representative angiograms after deployment of the new experimental thrombus (lateral view, right common carotid artery injection). A, Complete occlusion of an internal maxillary artery was confirmed with a digital subtraction image. B, Nonsubtracted image showed sufficient radiopacity of the injected thrombus.

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American Journal of Neuroradiology: 31 (9)
American Journal of Neuroradiology
Vol. 31, Issue 9
1 Oct 2010
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A Novel Method of Thrombus Preparation for Use in a Swine Model for Evaluation of Thrombectomy Devices
I. Kan, I. Yuki, Y. Murayama, F.A. Viñuela, R.H. Kim, H.V. Vinters, F. Viñuela
American Journal of Neuroradiology Oct 2010, 31 (9) 1741-1743; DOI: 10.3174/ajnr.A1991

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A Novel Method of Thrombus Preparation for Use in a Swine Model for Evaluation of Thrombectomy Devices
I. Kan, I. Yuki, Y. Murayama, F.A. Viñuela, R.H. Kim, H.V. Vinters, F. Viñuela
American Journal of Neuroradiology Oct 2010, 31 (9) 1741-1743; DOI: 10.3174/ajnr.A1991
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  • The Mechanical Characterisation of Bovine Embolus Analogues Under Various Loading Conditions
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  • Characterization of Arterial Thrombus Composition by Magnetic Resonance Imaging in a Swine Stroke Model
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  • Preclinical Evaluation of the NeVaTM Stent Retriever: Safety and Efficacy in the Swine Thrombectomy Model
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