J Korean Neurol Assoc.  1991 Sep;9(3):309-314.

A Study on Clinical Significance of Carotid Bruit

Affiliations
  • 1Department of Neurology, Seoul National University, Korea.

Abstract

Carotid bruit is a physical sign derived from the turbulence of carotid blood flow and has been rgarded as one of the imponant risk factor of ischemic stroke. To estimate a crude prevalence of carotid bruit in ischemic stroke in Korea at present time, and evaluate the correlation of carotid bruit with carotid stenosis and site of ischemic lesion, we investigated the brain imaging studies (computed tomography and / or magnetic resonance imaging)and cerebral angiographict finding of fifty patiens with caoti bruit.Thirty-nine (3.9 %) ot of nine hundred and ninety-six ischemic stroke patients had bruit around the carotid bifurcation. And the other eleven cases who did not have ischemic stroke were detected to have carotid bruit during the routine neurological examination at the bedside.Th presence of infarction in one side of carotid territory was not significantly differentwhether the bruit was heard or not in that side, but the presece of carotid stenosis in angiographY had a tendency to be significantly different by the audible bruit on that side. Carotid bruit does not necessarily reflect the infarction of that side, but can only be used as a predictor of ipsilateral extracranial carotid occlusive disease in this preliminary study. Further extensive prospective study is needed for the exact prevalence of rate and the clinical usefulss of the carotid bruit in Korea.


MeSH Terms

Angiography
Carotid Stenosis
Humans
Infarction
Korea
Neuroimaging
Neurologic Examination
Prevalence
Risk Factors
Stroke
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