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J Neuroophthalmol. 2009 Mar;29(1):9-12. doi: 10.1097/WNO.0b013e318199ce83.

Successful transarterial embolization of a Barrow type D dural carotid-cavernous fistula with ethylene vinyl alcohol copolymer (Onyx).

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Department of Radiology, Division of Interventional Neuroradiology (DG), Johns Hopkins University, Baltimore, Maryland 21287, USA.


Endovascular occlusion via the transvenous route is the favored treatment method for dural carotid-cavernous fistulas (CCFs). Ethylene vinyl alcohol copolymer (Onyx), recently approved for treatment of arteriovenous malformations, has advantages over conventional liquid embolic agents in its nonadhesive nature, which allows for longer injections with decreased risk of catheter retention. We report the use of Onyx in the successful transarterial embolization of a dural CCF fed by arterial branches of the internal and external carotid arteries (Barrow type D) after multiple failed attempts to access the cavernous sinus transvenously. Transarterial Onyx embolization could be a valuable option in transarterial treatment of CCFs when venous access is difficult.

[Indexed for MEDLINE]

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