Document Detail

Safety of Protected Carotid Artery Stenting in Patients with Severe Carotid Artery Stenosis and Carotid Intraplaque Hemorrhage.
MedLine Citation:
PMID:  22241385     Owner:  NLM     Status:  Publisher    
BACKGROUND AND PURPOSE:Carotid IPH can be detected with MR imaging. The aim of this study was to determine the safety of CAS using an emboli protection device in patients with severe carotid artery stenosis and MR imaging-depicted carotid IPH.MATERIALS AND METHODS:We retrospectively reviewed a prospective data base that included 91 consecutive patients with severe carotid stenosis and high-risk features who were treated with CAS by using an emboli protection device. Seventy-eight of the included patients underwent prestenting 3D TOF MRA. IPH was defined as the presence of high signal intensity within the carotid plaque, greater than 150% of the signal intensity of the adjacent neck muscle on TOF source images. The primary outcome measure was the combined incidence of stroke, MI, and death within 30 days of CAS. Associations between IPH and the primary outcome were investigated.RESULTS:IPH was detected on TOF MRA in 30 patients. Symptomatic patients were more common in the IPH group than in the non-IPH group (66.7% vs 41.7%; P = .032). Overall, 30-day stroke, MI, or death rates were 6.6%. There was no significant difference in the primary outcome between the IPH and non-IPH groups (10% and 6.25%, respectively; hazard ratio for IPH, 1.151; 95% CI, 0.035 to 37.500; P = .937). A logistic regression showed there was no independent variable associated with the primary outcome.CONCLUSIONS:The results of this study indicate that protected CAS seems to be safe in patients with severe carotid stenosis and IPH.
W Yoon; S K Kim; M S Park; H J Chae; H K Kang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-12
Journal Detail:
Title:  AJNR. American journal of neuroradiology     Volume:  -     ISSN:  1936-959X     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003708     Medline TA:  AJNR Am J Neuroradiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Departments of Radiology, Neurology, and Occupational and Environmental Medicine, Chonnam National University Medical School, Chonnam National University Hospital, Gwangju, Republic of Korea.
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