A Case of Horizontal Stent-assisted Coiling for an Aneurysm Arising from Fenestration of the Vertebral Artery: A Technical Case Report

Le résumé fourni par la source

Horizontal stenting protects the aneurysm neck with stent deployment across the aneurysm neck via the circle of Willis. A saccular aneurysm associated with intracranial arterial fenestration is very rare. Herein, we describe the first case of an unruptured aneurysm related to intracranial arterial fenestration treated with horizontal stenting. A 23-year-old woman presented with a 7-mm broad-necked aneurysm at the fenestration of the right intracranial vertebral artery (VA), which was incidentally found on magnetic resonance imaging. The patient underwent endovascular treatment with horizontal stenting via the vertebrobasilar junction from the contralateral left VA, followed by coil embolization using a jailed microcatheter from the ipsilateral right VA. The procedure was finished with sufficient embolization, and no complications occurred. Horizontal stent delivery via the vertebrobasilar junction for coil embolization of a broad-necked aneurysm arising from the fenestration of the VA is a safe and effective therapeutic strategy.

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