Percutaneous transvascular treatment of giant carotid aneurysms

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Abstract
Twelve of 17 patients with cavernous carotid aneurysms had balloon embolization directed through a percutaneous double lumen catheter for progressive pain, ophthalmoplegia, or visual loss. Functional angiography was carried out with systemic heparinization and double-lumen balloon catheters to test tolerance to carotid occlusion. Eleven were successfully treated, though two patients with initial preservation of the ipsilateral carotid artery had unplanned deflation of the balloon, necessitating re-embolization. No serious permanent neurologic complications occurred. All patients had complete resolution of pain, and nine had improvement in the extraocular eye muscle and lid function. Balloon trapping of the cavernous carotid artery, rather than placing the balloon directly into the aneurysm, resulted in involution of the aneurysm and decompression of the involved cranial nerves.

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