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Cure of a direct carotid cavernous fistula by endovascular stent deployment

, : Cure of a direct carotid cavernous fistula by endovascular stent deployment. Cerebrovascular Diseases 12(3): 272-275

A 53-year-old woman underwent surgical thrombendarterectomy for treatment of artherosclerotic stenoses of her left internal carotid artery (ICA). A Fogarty catheter was used during this operation. The postoperative course was complicated by the development of a sixth cranial nerve palsy, protrusio, chemosis and ciliar injection of both eyes. Digital subtraction angiography showed a direct fistula between the cavernous segment of the left ICA and the cavernous sinus, with early and retrograde opacification of both superior ophthalmic veins. Endovascular occlusion of the fistula was achieved with preservation of the ICA by stent deployment over the rupture site of the ICA, as two detachable balloons could not obliterate the fistula while preserving the ICA patent. Follow-up angiography 7 months after the endovascular treatment confirmed persisting occlusion of the fistula with a patent ICA. Highly flexible porous coronary stents can easily be introduced into tortuous vessels, including the distal ICA. The haemodynamic effects achieved by stent deployment together with two balloons detached in the cavernous sinus may be sufficient to interrupt a direct carotid cavernous fistula.


PMID: 11641595

DOI: 47715

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