Noninvasive Detection of Internal Carotid Arterv Occlusion

Bodily, K. C.; Phillips, D. J.; Thiele, B. L.; Strandness, D. E.
August 1981
Angiology;Aug1981, Vol. 32 Issue 8, p517
Academic Journal
This article focuses on noninvasive detection of internal carotid artery occlusion. With total occlusion of the internal carotid artery, flow in the common carotid assumes the pattern observed in the external carotid, which supplies a relatively high-resistance vascular bed. Occlusion of the internal carotid artery is not amenable to direct surgical correction. With the advent of new noninvasive diagnostic techniques, such as ultrasonic arteriography and duplex scanning, it has been possible to identify hemodynamically significant stenoses of the carotid bifurcation with a high degree of accuracy. This article describes the features of the Doppler velocity spectrum obtained from the common carotid artery when the internal carotid artery is occluded.


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