Why the study?
How does the measurement variability of carotid B-mode ultrasonography compare to angiography for assessing carotid atherosclerosis?
How does the measurement variability of carotid B-mode ultrasonography compare to angiography for assessing carotid atherosclerosis?
Angiography provides more reproducible measurements of carotid atherosclerosis than B-mode ultrasonography, particularly for between-reader agreement on ulceration.
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B-mode ultrasonography shows poor inter-reader agreement for carotid ulceration; this Level 4 evidence leaves open its reliability versus angiography in practice.
O’Leary et al. (1987) studied this question.
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