Key result
Doppler ultrasound scanning of the carotid bifurcation correlated with carotid arteriography in 100% of occlusions and 70% to 85% of stenoses.
Why the study?
Does Doppler ultrasound scanning correlate with carotid arteriography in evaluating carotid bifurcations in patients?
Observational (n=86)
Does Doppler ultrasound scanning correlate with carotid arteriography in evaluating carotid bifurcations in patients?
Doppler ultrasound scanning shows high correlation with carotid arteriography, particularly for identifying carotid occlusions.
May support noninvasive carotid assessment; leaves open prospective validation before clinical adoption.
The results of Doppler scanning of 146 carotid bifurcations in 86 patients were correlated with carotid arteriography. The correlations for normal carotid arteries ranged from 63% to 98%; the correlation for occlusions of carotid arteries was 100%. The Doppler scan correlated in 70% to 85% of stenoses of the internal or external carotid arteries near their origins. The technique may be performed by a well-trained technician or physician.
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Blackwell et al. (1977) conducted an observational in Carotid artery disease (n=86). Doppler ultrasound scanning vs. Carotid arteriography was evaluated on Correlation with carotid arteriography. Doppler ultrasound scanning of the carotid bifurcation correlated with carotid arteriography in 100% of occlusions and 70% to 85% of stenoses.
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