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Neurointervention

Title:		Usefulness of the Pipeline Embolic Device for Large and Giant Carotid Cavernous Aneurysms
Author(s):		Miyachi S; Hiramatsu R; Ohnishi H; Yagi R; Kuroiwa T;
Address:		"Neuroendovascular Therapy Center, Aichi Medical University, Nagakute, Aichi, Japan. Department of Neurosurgery and Neuroendovascular Therapy, Osaka Medical College, Takatsuki, Osaka, Japan. Ohnishi Neurosurgical Hospital, Akashi, Hyogo, Japan"
Journal Title:		Neurointervention
Year:		2017
Volume:		20170905
Issue:		2
Page Number:		83 - 90
DOI:		10.5469/neuroint.2017.12.2.83
ISSN/ISBN:		2093-9043 (Print) 2233-6273 (Electronic) 2093-9043 (Linking)
Abstract:		"PURPOSE: Conventional coil embolization for large carotid cavernous aneurysms (CCAs) has limited utility due to its inability to prevent recurrences and reduce mass effect. Trapping of the parent artery may have a risk of ischemic complications due to intracranial perfusion disorders. We successfully treated 24 patients with large CCAs using a flow diverter (Pipeline embolic device: PED), and this report discusses the safety and efficacy of this method. MATERIALS AND METHODS: Twenty four patients (23 females, mean age 71.5 years old) with large CCAs, including 6 giant CCAs, were treated with a PED over three years. Under sufficient dual anti-platelet management, the PED was deployed over the orifice of the aneurysm. Two patients required multiple telescoping stents. Clinical and radiological states were checked with MRI at 1, 3 and 6 months post-surgically. Angiographic follow-up was performed at 6 months. RESULTS: In all patients, PED was appropriately deployed. Stagnation of contrast with eclipse signs was observed post-angiogram in 21 cases. One patient requiring 5 telescoping stents experienced temporary ischemic symptoms. Fourteen patients experienced improvement of ocular motor impairment deficiency, including 6 patients who recovered. Angiograms at 6 months follow-up showed complete occlusion in 63% (12/19) of patients, and MRI showed reduction of aneurysm volume in 89% (17/19) of patients. CONCLUSION: Flow diverters for large CCAs showed promising clinical and radiological efficacy. They can shrink the aneurysm and improve symptoms without sacrificing the parent artery. It will be necessary to summarize the cases and to verify the long-term results"
Keywords:		Carotid cavernous aneurysm Endovascular treatment Flow diverter Pipeline embolic device;
Notes:		"PubMed-not-MEDLINEMiyachi, Shigeru Hiramatsu, Ryo Ohnishi, Hiroyuki Yagi, Ryokichi Kuroiwa, Toshihiko eng Korea (South) 2017/09/29 Neurointervention. 2017 Sep; 12(2):83-90. doi: 10.5469/neuroint.2017.12.2.83. Epub 2017 Sep 5"