Abstract
Continuous wave (CW) Doppler examinations have been performed for more than 10 years for peripheral circulation to assess atherosclerosis patients. By means of the audio signal and velocity curve (analogue tracing) it is possible to detect stenoses >60% by area [1, 8, 13, 15, 20]. Real time 2-D echography provides good visualization of the vessel walls and shows most of the atheromatous buildup; however, using this technique, it is sometimes difficult to estimate the extent of stenosis. This is especially the case of the hypoechogenic plaque, where limits are not well defined, or of calcified plaque, behind which the lumen and the vessel wall is masked by acoustic shadow [2,9,10,14,15,16].
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© 1987 Martinus Nijhoff Publishers, Dordrecht
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Arbeille, P., Lapierre, F., Patat, F., Berson, M., Besse, D., Pourcelot, L. (1987). Quantification of carotid stenosis using continuous wave Doppler and spectral analysis. In: Spencer, M.P. (eds) Ultrasonic Diagnosis of Cerebrovascular Disease. Developments in Cardiovascular Medicine, vol 61. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4305-6_12
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DOI: https://doi.org/10.1007/978-94-009-4305-6_12
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