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Endovascular intervention has quickly evolved to become the first treatment option for most dural arteriovenous fistulas (DAVFs) [1].Agents used for DAVF embolization include, Onyx, polyvinyl alcohol particles, coils, and N-butyl cyanoacrylate.Among them, Onyx has many advantages for use in endovascular treatment.Its slow solidification allows for a more prolonged and controlled injection that enables a larger number of feeding vessels to be penetrated.For this reason, treatment of DAVFs with cortical venous reflux (CVR) now includes transarterial Onyx-based embolizations [2].Since it is considered a relatively controllable agent, Onyx is now considered a primary option.Regarding Onyx embolization of DAVF, optimal wedging of the microcatheter and flow control technique is important.Proper penetration of Onyx depends on wedging the microcatheter and generating a sufficient plug around the distal end of the catheter.For safe reflux and proper penetration of Onyx, various devices such as balloons have been used.Herein, we report the case of a 77year-old man with DAVF who underwent Onyx embolization using a new dual lumen balloon catheter (Scepter C; Microvention, Tustin, California, USA) to control blood flow. CASE REPORTA 77-year-old man presented with gait disturbance that had persisted for 1 month.He had a history of dementia and depression for which he had received medication.Brain magnetic resonance imaging (MRI) revealed atrophy and venous congestion.Computed
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Kim et al. (2013) studied this question.
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