Patterns of cerebrovascular symptomatology associated with carotid atheroma.
Eur J Neurol
; 7(5): 499-508, 2000 Sep.
Article
em En
| MEDLINE
| ID: mdl-11054134
ABSTRACT
The aim of this study was to identify ultrasonic tissue characteristics and stenosis of carotid plaques that correspond to amaurosis fugax, hemispheric transient ischaemic attack, and stroke. At total of 146 symptomatic carotid plaques (136 patients) associated with amaurosis fugax, hemispheric transient ischaemic attack, stroke, and having 50-99% stenosis on duplex, were studied. These plaques were imaged on duplex, captured in a computer and their grey scale median was evaluated to distinguish the dark (low grey scale median) from the bright (high grey scale median) plaques. Stenosis was assessed on duplex. The amaurosis fugax group corresponded to carotid plaques with low grey scale median and severe stenosis, as contrasted with the other two groups (hemispheric transient ischaemic attack and stroke) (P < 0.05). These results suggested that amaurosis fugax was dependent only on the instability of carotid plaques, whereas hemispheric transient ischaemic attack and stroke were both dependent on carotid plaques and other pathogenetic factors.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Doenças das Artérias Carótidas
/
Artéria Carótida Primitiva
Tipo de estudo:
Diagnostic_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adult
/
Aged
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Female
/
Humans
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Male
/
Middle aged
Idioma:
En
Revista:
Eur J Neurol
Assunto da revista:
NEUROLOGIA
Ano de publicação:
2000
Tipo de documento:
Article
País de afiliação:
Reino Unido