Coil embolisation for ruptured vertebral artery dissection distal to the origin of the posterior inferior cerebellar artery

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Abstract
Although many surgical or endovascular treatments for ruptured vertebral artery dissection have been reported, the best treatment is controversial. We treated five cases of ruptured vertebral artery dissection distal to the origin of the posterior inferior cerebellar artery (PICA), using retrievable platinum coils packed in the dissection site and the immediately proximal vertebral artery. All patients had a contralateral vertebral artery of the same calibre or larger. All dissections were occluded completely, together with the portion of the vertebral artery distal to the PICA origin. No complications related to the procedure were seen. The purpose of the treatment is to isolate the dissection from the cerebral circulation. Occlusion of the rupture site, preserving perforating arteries arising from the vertebral artery, would be ideal. Short-segment occlusion by retrievable platinum coils is close to the ideal.

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