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Research ArticleNeurointervention

Transarterial Treatment with Onyx of Intracranial Dural Arteriovenous Fistula with Cortical Drainage in 17 Patients

S. Maimon, E. Nossek, I. Strauss, D. Blumenthal, V. Frolov and Z. Ram
American Journal of Neuroradiology October 2011, DOI: https://doi.org/10.3174/ajnr.A2728
S. Maimon
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E. Nossek
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I. Strauss
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D. Blumenthal
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V. Frolov
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Z. Ram
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Abstract

BACKGROUND AND PURPOSE: Intracranial DAVFs with cortical venous drainage have a high tendency to bleed. Complete closure of these lesions is essential to prevent clinically deleterious events. We describe our experience using Onyx in an arterial approach for treatment of DAVFs in 17 patients.

MATERIALS AND METHODS: Between 2006 and 2010, we used Onyx for performing transarterial embolization in 17 patients with intracranial DAVFs and cortical venous drainage. Clinical assessment was performed before and after every treatment at discharge and at follow-up. Fourteen patients underwent follow-up MR imaging and MRA, 8 of them also underwent follow-up diagnostic angiography.

RESULTS: Fifteen patients (88%) underwent 1 procedure. Complete obliteration by embolization with Onyx was achieved in 16 patients (94% acute obliteration). The mean amount of Onyx injected was 2.3 mL (range, 0.4–4.8 mL). The sole technical complication was an embolus to a branch of the MCA, which was resolved by intra-arterial tPA injection. A clinical complication of transient trochlear nerve palsy in the same patient due to mass effect of Onyx resolved spontaneously within 3 months.

CONCLUSIONS: Intra-arterial embolization of cranial DAVFs with cortical venous drainage by using Onyx results in a high rate of complete obliteration (94%) with low morbidity (6%). Follow-up DSA in 8 patients revealed no evidence of reopening.

Footnotes

  • Drs Maimon and Nossek contributed equally to this work.

  • CVD
    cortical venous drainage
    DAVF
    dural arteriovenous fistula
    DMSO
    dimethyl-sulfoxide
    EVOH
    ethylene-vinyl alcohol copolymer
    n-BCA
    n-butyl 2-cyanoacrylate

  • © 2012 American Society of Neuroradiology
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Cite this article
S. Maimon, E. Nossek, I. Strauss, D. Blumenthal, V. Frolov, Z. Ram
Transarterial Treatment with Onyx of Intracranial Dural Arteriovenous Fistula with Cortical Drainage in 17 Patients
American Journal of Neuroradiology Oct 2011, DOI: 10.3174/ajnr.A2728

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Transarterial Treatment with Onyx of Intracranial Dural Arteriovenous Fistula with Cortical Drainage in 17 Patients
S. Maimon, E. Nossek, I. Strauss, D. Blumenthal, V. Frolov, Z. Ram
American Journal of Neuroradiology Oct 2011, DOI: 10.3174/ajnr.A2728
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    Spiros L Blackburn, Yasha Kadkhodayan, Wilson Z Ray, Gregory J Zipfel, DeWitte T Cross, Christopher J Moran, Colin P Derdeyn
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  • A hemorrhagic complication after Onyx embolization of a tentorial dural arteriovenous fistula: A caution about subdural extension with pial arterial supply
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  • Efficacy and Limitations of Transarterial Acrylic Glue Embolization for Intracranial Dural Arteriovenous Fistulas
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