Overlapping Stents and Coil Embolization of Ruptured Anterior Cerebral Artery Dissecting Aneurysms in the Acute Phase

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Objective: To report a case of ruptured anterior cerebral artery dissection treated with stent-assisted coil embolization with overlapping stents.

Case Presentation: A 51-year-old woman developed subarachnoid hemorrhage the day after transient left hemiparesis. Angiography revealed a ruptured anterior cerebral artery dissecting aneurysm. We conducted stent-assisted coil embolization with the overlapping stent technique on the day after the hemorrhage. She recovered steadily without rebleeding. Six months after embolization, no recurrence was found on angiography.

Conclusion: Although an acceptable result was achieved in this case, the safety and efficacy of this procedure are unconfirmed. A larger number of cases should be accumulated.