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Evaluation of Postoperative Status after Clipping Surgery in Patients with Cerebral Aneurysm on 3-Dimensional-CT Angiography with Elimination of Clips.
MedLine Citation:
PMID:  19888935     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND AND PURPOSE: The use of 3-dimensional computed tomography angiography (3D-CTA) for clipped aneurysms is limited. Usefulness of 3D-CTA with elimination of bone and clips was evaluated in patients with clipped cerebral aneurysms.
METHODS: Forty-three clipped cerebral aneurysms were included. As review of digital subtraction angiography after surgery is the current gold standard, the presence or absence of remnant necks on 3D-CTA with elimination of bone and clips was compared with that on conventional CTA, using receiver operating characteristic analysis (5, definitely absent; 1, definitely present).
RESULTS: In the ROC analysis, the Az (.949) in CTA with clip elimination significantly (P < .05) differed from that (.751) of conventional 3D-CTA. If a score of 1 or 2 is considered to represent positive detection of remnant necks, then the sensitivity of 3D-CTA with clip elimination and of conventional 3D-CTA is 73% and 36%, respectively. If a score of 5 or 4 is considered to represent negative detection of remnant necks, then the specificity of 3D-CTA with clip elimination and of conventional 3D-CTA is 88% and 78%, respectively.
CONCLUSIONS: 3D-CTA with elimination of bone and clips can improve the accuracy of detection of remnant necks after clipping surgery for cerebral aneurysms.
Noriaki Tomura; Ikuo Sakuma; Takahiro Otani; Toshiaki Nisii; Makoto Sugawara; Makoto Koga; Satoshi Takahashi; Toshiharu Yanagisawa; Kazuo Mizoi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of neuroimaging : official journal of the American Society of Neuroimaging     Volume:  21     ISSN:  1552-6569     ISO Abbreviation:  J Neuroimaging     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9102705     Medline TA:  J Neuroimaging     Country:  United States    
Other Details:
Languages:  eng     Pagination:  10-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2009 by the American Society of Neuroimaging.
From the Department of Radiology (NT, IS, TO, TN, MS, MK, ST) and Neurosurgery (TY, KM), Akita University School of Medicine, Hondo, Akita City, Akita, Japan.
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