Document Detail


Stroke severity in concomitant cardiac sources of embolism in patients with atrial fibrillation.
MedLine Citation:
PMID:  20832823     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Atrial fibrillation (AF), which is the most common etiology of cardioembolic stroke, may be accompanied by other cardiac sources of embolism. The heterogeneity and multiplicity of the cardiac sources of embolism may influence stroke severity via formation of thrombi with heterogenous compositions, ages, and sizes. We investigated among stroke patients with AF whether stroke severity is different between patients with concomitant potential cardiac sources of embolism and those without.
METHODS: The subjects for this study were consecutive patients with cerebral infarction and AF who underwent transesophageal echocardiography during a 10-year period. The definitions and determination of high- and medium-risk potential cardiac sources of embolism were based on the Trial of Org 10172 in Acute Stroke Treatment classification. Initial stroke severity and infarct sizes were compared between patients with concomitant potential cardiac sources of embolism and those without.
RESULTS: Of the 266 patients enrolled, 181 (68.0%) had one or more concomitant potential cardiac sources of embolism. Left atrial thrombus and spontaneous echo contrast were most common. Patients with concomitant potential cardiac sources of embolism had a higher median score on the initial National Institute of Health Stroke Scale (6 vs. 3, p=0.005) and a larger infarction diameter (45.4±31.3 mm vs. 35.5±26.6 mm, p=0.002) than those without. Occlusion of the symptomatic arteries was more frequently detected in patients with concomitant potential cardiac sources of embolism.
CONCLUSIONS: Stroke patients with AF frequently had concomitant potential cardiac sources of embolism, and strokes were more severe in them.
Authors:
Young Dae Kim; Bosuk Park; Myoung Jin Cha; Chung Mo Nam; Hyo Suk Nam; Jong Won Ha; Namsik Chung; Ji Hoe Heo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-15
Journal Detail:
Title:  Journal of the neurological sciences     Volume:  298     ISSN:  1878-5883     ISO Abbreviation:  J. Neurol. Sci.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-18     Completed Date:  2011-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375403     Medline TA:  J Neurol Sci     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  23-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier B.V. All rights reserved.
Affiliation:
Department of Neurology, Severance Hospital Integrative Research Institute for Cerebral and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Atrial Fibrillation / complications*,  pathology*,  ultrasonography
Cerebral Angiography
Cerebral Infarction / pathology
Echocardiography, Transesophageal
Embolism / complications*,  pathology*,  ultrasonography
Female
Heart Diseases / complications*,  pathology*,  ultrasonography
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Registries
Retrospective Studies
Risk Assessment
Risk Factors
Sex Characteristics
Stroke / complications*,  pathology*,  ultrasonography
Comments/Corrections
Comment In:
J Neurol Sci. 2010 Nov 15;298(1-2):21-2   [PMID:  20810129 ]

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