Fetal-type posterior cerebral artery: the pitfall of parent artery occlusion for ruptured P2 segment and distal aneurysms

Journal of Neurosurgery
Jing XuJianmin Zhang

Abstract

OBJECT P2 segment and distal aneurysms are rare lesions of the cerebrovascular system. The efficacy and safety of endovascular occlusion for these types of aneurysms remain controversial. The aim of this study was to reveal risk factors for endovascular parent artery occlusion of ruptured P2 segment and distal aneurysms. METHODS Between March 2010 and November 2012, 812 patients with a ruptured intracranial aneurysm were admitted to the authors' hospital. Among them, 11 patients presented with P2 segment and distal posterior cerebral artery (PCA) aneurysms. These patients were subjected to endovascular treatment. Periprocedural data and clinical and angiographic records were studied retrospectively. RESULTS Of the patients with a ruptured PCA aneurysm, 2 of them underwent selective aneurismal coiling, and the remaining patients were treated with simultaneous occlusion of the parent artery. Patients with an adult-type PCA (n = 6), treated with either selective coiling or simultaneous parent artery occlusion, had no serious neurological deficits on follow-up. Four patients with a fetal-type PCA that was also occluded intraoperatively exhibited newly developed permanent paralysis and hemianopsia. However, 1 patient with a fetal-ty...Continue Reading

References

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Citations

Aug 6, 2013·Clinical Neurology and Neurosurgery·Yong Bae KimDong Jun Kim
Aug 16, 2016·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Hideaki MatsumuraAkira Matsumura
Dec 7, 2011·Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association·Nobuo SenbokuyaToru Horikoshi
Dec 12, 2018·Neurologia Medico-chirurgica·Hidehisa NishiUNKNOWN Japanese Registry of Neuroendovascular Therapy (JR-NET) investigators

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Methods Mentioned

BETA
PCA
PCAs

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