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"Hyperechogenic Rim" Sign in Internal Carotid Artery Thrombus
Arch Neurol. 2004;61:773-774.
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Adherent internal carotid artery (ICA) thrombi constitute a rare entity in patients with stroke. Management, whether surgical (thrombectomy) or conservative (anticoagulation), still relies on the experience and personal beliefs of the treating physician. We describe 2 patients who were treated with intravenous heparin sodium. In these patients, serial carotid ultrasound examination findings demonstrated changes in the consistency of the thrombi and, in particular, demonstrated the appearance of a hyperintense rim surrounding the thrombi a few days after the introduction of anticoagulation therapy. After the appearance of this rim, thrombi were completely dissolved within the following 3 to 5 days.
Patient 1 was a 59-year-old man with hypertension who was a smoker. The patient had awakened with Broca dysphasia and a right faciobrachial sensorimotor deficit (National Institutes of Health [NIH] Stroke Scale score of 6). Cranial computed tomography (CT) with perfusion 5 hours later showed acute left frontoparietal ischemia. Color Doppler . . . [Full Text of this Article]
Theodoros Karapanayiotides, MD;
Bartlomiej Piechowski-Jozwiak, MD;
Patrick Michel, MD;
Julien Bogousslavsky, MD;
Gérald Devuyst, MD
Department of Neurology, BH-07/307
Centre Hospitalier Universitaire Vaudois
46, rue du Bugnon
1011 Lausanne
Switzerland
(e-mail: gerald.devuyst@chuv.hospvd.ch)
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
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Devuyst et al.
Circulation 2005;111:2776-2782.
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