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Usefulness of contrast-enhanced magnetic resonance angiography for follow-up of coil embolization with the enterprise stent for cerebral aneurysms.
MedLine Citation:
PMID:  21926851     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: : The aim of this study was to determine the feasibility and usefulness of contrast-enhanced magnetic resonance angiography (CE-MRA) and 3-dimensional (3D) time-of-flight (TOF) MRA for follow-up of intracranial aneurysms treated using the Enterprise stent.
METHODS: : Five aneurysm cases using the Enterprise stent were prospectively analyzed and were followed up with CE-MRA, 3D TOF MRA, and digital subtraction angiography (DSA). Depictions of parent artery lumen and the aneurysm neck with 3D TOF MRA and CE-MRA were compared with those of DSA.
RESULTS: : In all cases, on 3D TOF MRA, it was difficult to evaluate the parent artery lumen and aneurysm neck owing to the significant artifacts from the stent. Contrast-enhanced MRA sufficiently demonstrated parent artery lumen and aneurysm neck distinctly and as clear as DSA did in all cases.
CONCLUSIONS: : For follow-up after coiling with an Enterprise stent, CE-MRA may be necessary to avoid susceptibility artifacts caused by the stent.
Authors:
Katsutoshi Takayama; Toshiaki Taoka; Hiroyuki Nakagawa; Kaoru Myouchin; Takeshi Wada; Masahiko Sakamoto; Akio Fukusumi; Satoru Iwasaki; Shinichiro Kurokawa; Kimihiko Kichikawa
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of computer assisted tomography     Volume:  35     ISSN:  1532-3145     ISO Abbreviation:  J Comput Assist Tomogr     Publication Date:    2011 Sep-Oct
Date Detail:
Created Date:  2011-09-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703942     Medline TA:  J Comput Assist Tomogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  568-72     Citation Subset:  IM    
Affiliation:
From the *Department of Radiology and Interventional Neuroradiology, Ishinkai Yao General Hospital, Osaka; †Department of Radiology, Nara Medical University, Nara; and ‡Department of Neurosurgery, Ishinkai Yao General Hospital, Osaka, Japan.
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