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 REVIEW ARTICLE
Year : 2017  |  Volume : 65  |  Issue : 1  |  Page : 35--38

A systematic review of pipeline embolization device for giant intracranial aneurysms


Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China

Correspondence Address:
Youxiang Li
Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Tiantan, Xili, 6, Dongcheng, Beijing - 100050
People's Republic of China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.198200

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The experience with respect to the treatment of giant intracranial aneurysms with flow-diversion devices is limited. The aim of the present systematic review was to evaluate the effect of the pipeline embolization device (PED) on giant intracranial aneurysms. Eligible related articles were identified by searching the PubMed, Web of Science, Springer, ScienceDirect, and OVID databases using “giant aneurysm” and “pipeline” as the search items. The date of the last search was November 20, 2015. This systematic review adopted the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. In a total of 9 eligible studies with 200 patients and 215 aneurysms, 40 (18.6%) giant (aneurysm diameter >25mm) intracranial aneurysms treated with PED were analyzed. During a 6 to 34 month follow-up, complete occlusion was achieved in 23 (57.5%) cases. Seven patients (17.5%) developed intracranial hemorrhage, 5 developed ischemic attack (12.5%), and 13 (32.5%) developed a mass effect after PED treatment. The complication rate was 77.8% in PED for giant vertebrobasilar artery aneurysms. The cumulative mortality rate for giant paraclinoid carotid artery and middle cerebral artery aneurysms was 13.3% and increased up to 50% for giant vertebrobasilar artery aneurysms. The complete obliteration rate of PED for giant intracranial aneurysms was approximately 60%. Mass effect is the most mechanism of complications. Complication and mortality rates associated with PED for giant vertebrobasilar artery aneurysms are still extremely high.






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Online since 20th March '04
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