Why the study?
Does auscultation for carotid bruits accurately detect hemodynamically significant carotid stenosis in stroke-free adults?
Population
686 stroke-free subjects from a prospective multiethnic community-based cohort, mean age 68.2 +/- 9.4 years.
Comparison
Auscultation for carotid bruits vs Carotid duplex ultrasound (gold standard)
Design
Cohort
Authors
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May miss significant stenosis in asymptomatic adults; leaves open optimal screening strategies versus routine imaging.
Does auscultation for carotid bruits accurately detect hemodynamically significant carotid stenosis in stroke-free adults?
Auscultation for carotid bruits has a high false-negative rate (44%) and is insufficient to exclude hemodynamically significant carotid stenosis in asymptomatic patients.
Ratchford et al. (2009) studied this question.
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