Balloon-Assisted Technique for Trapped Microcatheter Retrieval following Onyx Embolization A Case Report

During embolization of a large frontal arteriovenous malformation (AVM), Onyx-18 (eV3) was injected into an M3 branch of the middle cerebral artery via a Marathon microcatheter (eV3). After 40 minutes of embolization, the microcatheter could not be retracted due to fixation within the Onyx cast desp...

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Published inInterventional neuroradiology Vol. 15; no. 4; pp. 453 - 455
Main Authors Santillan, A., Zink, W., Knopman, J., Riina, H., Gobin, Y.P.
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.12.2009
Centauro S.r.l
Subjects
Original
arteriovenous malformation
AVM
balloon
Onyx
microcatheter retrieval
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Summary:During embolization of a large frontal arteriovenous malformation (AVM), Onyx-18 (eV3) was injected into an M3 branch of the middle cerebral artery via a Marathon microcatheter (eV3). After 40 minutes of embolization, the microcatheter could not be retracted due to fixation within the Onyx cast despite prolonged, robust attempts. A balloon microcatheter (HyperformTM, eV3) was advanced distally and inflated to provide distal counter tension, allowing microcatheter retrieval with minimal traction on the vasculature.
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Walter E Zink, PhD, M.D. - Department of Radiology - New York Presbyterian Hospital - Cornell - New York, USA - E-mail: waz2002@nyp.org
ISSN:1591-0199
2385-2011
DOI:10.1177/159101990901500414