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  • Title: [Transarterial NBCA embolization with transvenous partial outflow obstruction for superior petrosal sinus dural arteriovenous fistula: a case report].
    Author: Ishihara H, Ishihara S, Kanazawa R, Kohyama S, Yamane F, Ogawa M, Sato A, Tanahashi N.
    Journal: No Shinkei Geka; 2007 Dec; 35(12):1157-62. PubMed ID: 18080515.
    Abstract:
    We encountered a case of superior petrosal sinus dural arteriovenous fistula (SPS DAVF) which was treated by a combination of a transvenous and a transarterial approach after the failure of the transvenous approach alone. A 69-year-old man presented with a complaint of progressive left bulbar conjunctival conjestion, exophthalmos, and impaired vision. Cerebral angiography revealed a left SPS DAVF fed by the left middle meningeal artery, the meningeal branches of the left internal carotid artery and the left posterior meningeal artery. Venous drainage proceeded through the cavernous sinus (CS) toward the left superior ophthalmic vein (SOV). Transvenous embolization via the SOV was indicated because the left ipsilateral inferior petrosal sinus contributed to the normal venous return. However the microcatheter to the CS couldn't go through the tortuous SOV. Next a transarterial NBCA (n-butyl-cyanoacrylate) embolization of the affected sinuses was performed under arterial flow control with balloons and the partial coil embolization of the origin of the SOV. The coils in the SOV trapped NBCA and the sinuses were filled slowly with NBCA. The postoperative angiogram confirmed complete obliteration of the DAVF and the patient's ocular symptoms disappeared. DAVF is usually difficult to treat by transarterial embolization with NBCA because of its multiple feeders and high flow drainage. We should therefore carefully observe its structure and the blood flow change with 3D-DSA and the selective angiography while embolizing the DAVE.
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