Abstract
In this paper, we reviewed our cases of dural arteriovenous fistulae (dural AVFs) and analyzed periprocedural complications. In 157 procedures, we encountered 14 complications. Overall, complication rate of 9% was seen.We divided these complications into five subgroups such as cranial nerve palsy, coil-related trouble, thromboembolic complication, vessel perforation, and radiation-related trouble. There were five transient abducent nerve palsies in cases with cavernous sinus dural AVFs. There were two cases of coil unraveling and two cases of coil migration. In two cases, direct puncture of the internal jugular vein was performed to retrieve the unraveled coil by using dual microcatheter and guidewire snare technique. We encountered two thromboembolic complications. In one case, venous infarction was recognized after polyvinyl alcohol particle embolization. In two cases of vessel perforations, there were no new neurological deficits except one case with transient Gerstmann syndrome. In endovascular treatment of dural AVF, serious complications are rare and can be prevented if maximum attention is paid during the procedure.
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