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 ORIGINAL ARTICLE
Year : 2011  |  Volume : 59  |  Issue : 1  |  Page : 6--11

Characteristics and endovascular treatment of aneurysms of posterior cerebral artery


1 The Affiliated Hospital of Inner Mongolia National University, Tongliao, Inner Mongolia, China
2 The Affiliated Hospital of Inner Mongolia National University, Tongliao, Inner Mongolia;The Third Hospital of Jilin University, Changchun, Jilin, China
3 The First Hospital of Jilin University, Changchun, Jilin, China

Correspondence Address:
Zhigang Sun
1742 HuoLinHe St, TongLiao, Inner Mongolia, 028007
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.76849

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Background : Aneurysms of the posterior cerebral artery (PCA) are a distinct rarity and present with some peculiar morphologic features and specific clinical findings. These aneurysms can be managed endovascularly with good results. Objective : To evaluate the clinical features and endovascular management of PCA aneurysms. Material and Methods : Between 2000 and 2008, we treated 24 patients (14 male and 10 female; mean age: 36 years) with PCA aneurysms. Clinical presentations, radiologic images, and endovascular management were reviewed. Results : There were 11 saccular aneurysms, including 4 giant or large aneurysms, and 13 dissecting aneurysms, including 11 giant or large aneurysms. Of the 24 patients, 13 presented with hemorrhage and 6 with neurologic deficits. Five patients presented with headaches without any neurologic deficits. Parent vessel occlusion was performed in 12 patients, selective coil embolization was performed in 11 patients, and 1 patient conservatively. Eighteen patients had a good recovery, 5 had a moderate disability (one with 1 visual deficit after the treatment) related to hemorrhage, vasospasm, or infarction before aneurysm trapping, and 1 patient died because of rebleeding. The conservatively treated patient made a good recovery. Conclusion : PCA aneurysms have specific clinical characteristics compared with aneurysms located elsewhere. Endovascular technique can achieve good outcomes despite the aneurysmal site and size.






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