Document Detail

Ultrasonographic and perioperative macroscopic findings in acute carotid artery occlusion.
MedLine Citation:
PMID:  19889047     Owner:  NLM     Status:  In-Process    
BACKGROUND AND PURPOSE: acute ischemic stroke (AIS) may occur both in the acute and chronic internal carotid artery occlusion (ICAo). Thus, it is important to assess the ICAo character when considering the recanalization method. The aim was to assess the agreement between the ultrasonographic (US) and perioperative macroscopic (PM) finding in AIS patients with acute ICAo, undergoing an emergent carotid endarterectomy.
METHODS: in a retrospective, hospital-based study, the set consisted of 47 patients (36 males; age 49-79, mean 63.7 ± 8.5 years). ICAo character was classified as an acute thromboembolus either isolated or in combination with atherosclerotic plaque using the US (B-mode) and the PM evaluation. Cohen's Kappa and AC(1) coefficient were applied to assess the methods agreement.
RESULTS: an acute ICAo character diagnosed by US was confirmed by the PM evaluation in all cases. US and PM findings were consistent in 41 cases. The agreement between both methods in the classification of acute ICAo was 87.2% [95% confidence interval (CI): 77.7-96.8%], κ= .589 (95% CI: .293-.885) (P < .0001), AC(1) = .815.
CONCLUSIONS: US is a reliable method in the diagnostics of the acute character of ICAo and it has a good agreement with PM finding regarding a differentiation of atherosclerotic plaque and fresh thromboembolus.
Roman Herzig; David Skoloudík; Michal Král; Daniel Saňák; Martin Roubec; Ondřej Skoda; Petr Bachleda; Petr Utíkal; Pavel Havránek; Tomáš Hrbáč; Milan Fučík; Jana Dvořáčková; Jana Zapletalová; Petr Hluštík; Michal Bar; Petr Kaňovský
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
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:  5-9     Citation Subset:  IM    
Stroke Center, Department of Neurology, Faculty of Medicine and Dentistry, Palacký University and University Hospital, Olomouc, Czech Republic.
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