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Atherosclerotic plaque locations may be related to different ischemic lesion patterns

Title
Atherosclerotic plaque locations may be related to different ischemic lesion patterns
Authors
Woo H.G.Heo S.H.Kim E.J.Chang D.-I.Song T.J.Kim B.J.
Ewha Authors
송태진
SCOPUS Author ID
송태진scopus
Issue Date
2020
Journal Title
BMC neurology
ISSN
1471-2377JCR Link
Citation
BMC neurology vol. 20, no. 1, pp. 288
Keywords
AtherosclerosisHemodynamicsIschemic stroke
Publisher
NLM (Medline)
Indexed
SCIE; SCOPUS scopus
Document Type
Article
Abstract
BACKGROUND: Atherosclerosis of the internal carotid artery (ICA) is an important cause of ischemic stroke. Artery-to-artery embolism is the major stroke mechanism in patients with atherosclerotic carotid disease. This study hypothesized that the atherosclerotic ICA geometry and plaque location would be associated with lesion pattern in patients with acute ischemic stroke. METHODS: Ischemic stroke patients with symptomatic proximal ICA disease (> 50% diameter stenosis) were enrolled. The carotid plaque location was divided into high-apical and low-body types. The geometric parameters of the ICA (angles between arteries) were measured, and ischemic lesion patterns were classified according to the number, location, and size of the lesions. Factors associated with plaque location and lesion pattern, dichotomized by size, were investigated. RESULTS: Of the 93 acute ischemic stroke patients enrolled, 31 had high-apical and 62 had low-body plaques. Hyperlipidemia was more prevalent and the common carotid artery (CCA)-ICA angle was wider (167.7 ± 10.4° vs 162.3 ± 9.8°, p = 0.019) in patients with low-body than high-apical plaques. Low-body plaques were more frequently associated with small scattered or cortical lesions (54.8% vs. 32.3%, p = 0.040), whereas high-apical plaques were more frequently associated with large lesions having additional lesions (38.7% vs. 11.3%, p = 0.002). The presence of low-body plaques (odds ratio: 3.106, 95% confidence interval: 1.105-8.728, p = 0.032) was independently associated with the small lesion-only pattern. CONCLUSIONS: Low-body plaques are more frequently associated with small scattered lesions, whereas high-apical plaques are more frequently associated with large lesions having additional lesions. A wide CCA-ICA angle is associated with low-body plaque of the carotid artery.
DOI
10.1186/s12883-020-01868-0
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의과대학 > 의학과 > Journal papers
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