Abstract
Objective To summarize the preliminary experience and effectiveness of treatment for traumatic carotid cavernous fistulas with ethylene vinyl alcohol copolymer(Onyx).Methods In 6 cases of 7traumatic carotid cavernous fistula,we covered the fistulas with balloons,and selected the cavernous sinus through the fistula,then embolized the fistulas with pure Onyx or combination of coils or detachable balloons.Results One cases with bilateral TCCFs received secondary treatment considering the great change of cerebral blood flow after primary treatment of one - side fistula.Angiographic control revealed to 6 fistulas obliteration after primary treatment and all the cases had good patency of the internal carotid arteries.Clinical examination showed varying resolution of signs and symptoms of carotid cavernous fistulas,and the postoperative visual acuity of 4 patients were recovered totally.There was no recurrent fistulas in 2 -7months follow - up by DSA or MRA in 3 cases.Conclusions Transarterial embolization of complicated traumatic carotid cavernous fistulas with Onyx,assisted by balloons,proves to be more effective and safer than that with detachable balloons. Key words: Traumatic carotid cavernous fistulas; Embolization; Onyx
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