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Evaluation of Carotid Bifurcation DiseaseThe Role of Common Carotid Artery Velocity Patterns
Paul J. Breslau, MD;
Gary Fell, MD, FRACS;
David J. Phillips, PhD;
Brian L. Thiele, MD, FRACS;
Donald E. Strandness, Jr, MD
Arch Surg. 1982;117(1):58-60.
Abstract
• We evaluated duplex ultrasonographic velocity patterns from the common carotid artery in 156 patients with arteriographically verified internal carotid artery disease. Flow to zero during diastole in the common carotid was found in three groups of patients: (1) those with flow to zero in both common carotids not related to disease of the carotid bulb; (2) those with a tight (90% to 99%) stenosis in the internal carotid; and (3) those with total occlusion of the internal carotid. Although such flow to zero is commonly observed with total occlusion of the internal carotid artery, it may also be seen with high-grade stenosis. Thus, when found, it is essential to ascertain if flow is indeed present in the internal carotid artery; understanding changes in velocity patterns of the common carotid has improved our overall accuracy in detecting extracranial carotid artery disease.
(Arch Surg 1982;117:58-60)
Author Affiliations
From the Department of Surgery, University of Washington School of Medicine, Seattle.
Footnotes
Accepted for publication May 12, 1981.
Reprint requests to Department of Surgery, RF-25, University of Washington School of Medicine, Seattle, WA 98195 (Dr Strandness).
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