| Risk Factors and Complications Associated with Difficult Retrieval of Embolic Protection Devices in Carotid Artery Stenting. | |
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MedLine Citation:
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PMID: 21387123 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: This study was designed to investigate the risk factors and complications of difficult retrieval (DR) of embolic protection devices (EPDs) in carotid artery stenting (CAS). METHODS: A total of 195 consecutive patients who underwent CAS between December 2007 and March 2010 in a general hospital were enrolled and divided into two groups: with DR and without DR. The risk factors of DR were analyzed with univariate and multivariate analyses. The complications of DR were recorded and analyzed. RESULTS: A total of 30 (15.4%) patients with DR of EPDs were observed, of whom EPDs were successfully retrieved in 29, and in 1 was it taken out by surgical treatment. The retrieval time was significantly longer in patients with DR (490.5 ± 143.9 s) than in patients without DR (157.2 ± 15.7 s, p = 0.000). Vasospasm was observed more frequently in patients with DR than in patients without DR (55.2% vs. 14.5%, p = 0.000). Intracranial compilations were more frequent in patients with DR than in those without DR (17.2% vs. 0.6%, p = 0.000). Calcified plaques, degree of residual stenosis, types of the stents, and tortuosity index (TI > 80°) were all associated with DR. A logistic regression analysis indicated that calcified plaques (odds ratio (OR) = 6.5; p = 0.000) and TI > 80° (OR = 18.8; p = 0.000) were independent predictors of DR. CONCLUSIONS: Calcified plaques and TI > 80° may be related to DR in patients with CAS. DR may lengthen the retrieving time and increase the complications of the procedure. |
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Authors:
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Xuegan Lian; Wenhua Liu; Min Li; Min Lin; Shuanggen Zhu; Wen Sun; Qin Yin; Gelin Xu; Renliang Zhang; Xinfeng Liu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-9 |
Journal Detail:
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Title: Cardiovascular and interventional radiology Volume: - ISSN: 1432-086X ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8003538 Medline TA: Cardiovasc Intervent Radiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Neurology, Jinling Hospital, Second Military Medical University, 305# East Zhongshan Road, Nanjing, 210002, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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