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The extent of carotid atherosclerosis evaluated by B-mode real-time ultrasound and the presence of bruits established by carotid phonoangiography were determined in 1,107 patients.Unilateral bruit was associated with increased atherosclerosis compared with no bruit(p=0. 0001).However,there was no association between laterality of the bruit and the degree of atherosclerosis(p=0.66).There was marginal evidence that patients with bilateral bruits had more severe atherosclerosis than patients with unilateral bruit(p=0.046).The relation between bruit and other atherosclerosis categorized by B-mode ultrasound was not sufficient to reliably predict the presence or absence of disease in an individual patient,though the presence of a bruit should be viewed as a risk factor for,or an indicator of,increased risk of systemic atherosclerosis. |
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