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Research ArticleNeurointervention

Dual-Lumen Balloon Catheters May Improve Liquid Embolization of Vascular Malformations: An Experimental Study in Swine

J.C. Gentric, J. Raymond, A. Batista, I. Salazkin, G. Gevry and T.E. Darsaut
American Journal of Neuroradiology May 2015, 36 (5) 977-981; DOI: https://doi.org/10.3174/ajnr.A4211
J.C. Gentric
aFrom the Department of Radiology (J.C.G., J.R., A.B.), Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada
dEquipe d'Accueil 3878 - Groupe d'Etude de la Thrombose en Bretagne Occidentale (J.C.G.), Université de Bretagne Occidentale, Brest, France.
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J. Raymond
aFrom the Department of Radiology (J.C.G., J.R., A.B.), Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada
bLaboratory of Interventional Neuroradiology (J.R., I.S., G.G.), Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital Research Centre, Montreal, Quebec, Canada
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A. Batista
aFrom the Department of Radiology (J.C.G., J.R., A.B.), Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada
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I. Salazkin
bLaboratory of Interventional Neuroradiology (J.R., I.S., G.G.), Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital Research Centre, Montreal, Quebec, Canada
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G. Gevry
bLaboratory of Interventional Neuroradiology (J.R., I.S., G.G.), Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital Research Centre, Montreal, Quebec, Canada
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T.E. Darsaut
cDivision of Neurosurgery (T.E.D.), Department of Surgery, University of Alberta Hospital, Mackenzie Health Sciences Centre, Edmonton, Alberta, Canada
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Article Figures & Data

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    Fig 1.

    Schematics and radiographs demonstrating the different grades of extent of LEA infiltration through the porcine rete. A and E, Grade I, <50% infiltration of the ipsilateral rete. B and F, Grade II, >50% but <100% infiltration of the ipsilateral rete. C and G, Grade III, complete infiltration through the ipsilateral rete with <50% of the contralateral rete. D and H, Grade IV, complete infiltration through the ipsilateral and >50% of the contralateral rete.

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    Fig 2.

    Microscopic pathology of the rete mirabile. Three different specimens are shown as examples of grade 0, no filling (A); grade I, incomplete filling (B); and grade II, complete filling of the proximal rete (C). (Hematoxylin phloxine saffron stain; original magnification × 50.)

Tables

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  • Summary of LEA injections

    Group and InjectionRefluxExtentDensityTechnical ComplicationsLEA Used
    Group A: dual-lumen balloon catheter
        1a232NoOnyx 18
        2a142NoOnyx 18
        3a142NoPHIL
        4a231NoPHIL
        5a142NoPHIL
        6331NoPHIL
        7a232NoOnyx 18
        8342NoOnyx 18
    Group B: double-microcatheter technique
        9322NoOnyx 18
        10331YesOnyx 18
        11342NoOnyx 18
        12332YesOnyx 18
    Group C: single-microcatheter (controls)
        13311NoOnyx 18
        14331YesPHIL
        15331NoPHIL
        16310NoOnyx 18
        17a241YesPHIL
        18311NoOnyx 18
    • ↵a Denotes a successful injection, defined as an injection with a grade >2 for extent of infiltration without excessive reflux (reflux score of <3).

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American Journal of Neuroradiology: 36 (5)
American Journal of Neuroradiology
Vol. 36, Issue 5
1 May 2015
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Cite this article
J.C. Gentric, J. Raymond, A. Batista, I. Salazkin, G. Gevry, T.E. Darsaut
Dual-Lumen Balloon Catheters May Improve Liquid Embolization of Vascular Malformations: An Experimental Study in Swine
American Journal of Neuroradiology May 2015, 36 (5) 977-981; DOI: 10.3174/ajnr.A4211

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Dual-Lumen Balloon Catheters May Improve Liquid Embolization of Vascular Malformations: An Experimental Study in Swine
J.C. Gentric, J. Raymond, A. Batista, I. Salazkin, G. Gevry, T.E. Darsaut
American Journal of Neuroradiology May 2015, 36 (5) 977-981; DOI: 10.3174/ajnr.A4211
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