Why the study?
Does B-mode, real-time ultrasonic imaging accurately detect atherosclerotic occlusive vascular disease compared to carotid angiography in patients evaluated for carotid disease?
Population
50 patients evaluated for atherosclerotic occlusive vascular disease in the carotid bifurcation region
Comparison
B-mode, real-time ultrasonic imaging vs Carotid angiography (reference standard)
Design
Cohort
Authors
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Ultrasound's low sensitivity for ulceration and occlusion warrants confirmatory angiography; leaves open its screening role for >50% stenosis in prospective cohorts.
Does B-mode, real-time ultrasonic imaging accurately detect atherosclerotic occlusive vascular disease compared to carotid angiography in patients evaluated for carotid disease?
B-mode ultrasound has moderate sensitivity for detecting >50% stenosis and surgical disease, but low sensitivity for plaque ulceration and complete occlusion compared to angiography.
David C. Anderson (1983) studied this question.
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