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J Cerebrovasc Endovasc Neurosurg. 2012 Mar;14(1):22-8. doi: 10.7461/jcen.2012.14.1.22. Epub 2012 Mar 31.

Clinical analysis of giant intracranial aneurysms with endovascular embolization.

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Department of Neurosurgery, College of medicine, Chosun University, Gwangju, Korea.



The purpose of this study was to perform a clinical analysis of nine patients with giant aneurysms managed with endovascular embolization.


From March 2000 to September 2009, nine cases of giant intracranial aneurysms were treated (five unruptured and four ruptured). The nine patients included two males and seven females who were 47 to 72 years old (mean, 59.2 years old). The types of giant intracranial aneurysms were eight internal carotid artery aneurysms and one vertebral artery aneurysm. Treatment for each aneurysm was chosen based on anatomic relationships, aneurysmal factors, and the patients' clinical state. Three patients underwent endovascular coiling with stent and six initially underwent endovascular coiling alone. Medical records, operation records, postoperative angiographies, and follow-up angiographies were reviewed retrospectively.


Eight out of nine patients showed good clinical outcomes. (six were excellent and two were good) after a mean follow-up period of 27.9 months. Six (67%) of the nine patients had a near-complete occlusions on the post-operative angiogram (mean, 13.5 months after the procedure). Occlusion rates of 90% or higher were obtained for eight (89%) of all the patients. One patient died due to multiple organ failure. Stents were ultimately required at some point for managing four aneurysms. Two patients needed additional procedures because of aneurysm regrowth.


Endovascular treatment could be an alternative option for managing giant aneurysms adjuvant to surgical intervention.


Giant intracranial aneurysm; endovascular coiling

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