Distinguishing Critical Stenosis from Occlusion of the Internal Carotid Artery by Carotid Duplex in a Patient with Acute Ischemic Stroke
Journal
Journal of Medical Ultrasound
Journal Volume
20
Journal Issue
1
Pages
58-60
Date Issued
2012
Abstract
Accurate distinction of internal carotid artery (ICA) severe stenosis from occlusion in patients with acute stroke is crucial because carotid revascularization may reduce the risk of recurrent stroke. We report a 68-year-old man who had acute onset of right hemiparesis and hemiparesthesia. Head magnetic resonance imaging (MRI) on the first day and computed tomography (CT) angiography the next day showed total occlusion or pseudo-occlusion of the left ICA. However, carotid ultrasonography at around the same time clearly demonstrated focal severe stenosis of the left ICA orifice and catheter carotid angiography later confirmed the findings. The patient received angioplasty and stenting of the left ICA 3 weeks after stroke, and his follow-up course was uneventful. The case report highlights the value of carotid ultrasonography in distinguishing critical stenosis from occlusion of the carotid artery in patients with acute ischemic stroke. ? 2012.
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Other Subjects
antithrombocytic agent; hydroxymethylglutaryl coenzyme A reductase inhibitor; aged; anterior cerebral artery; arm weakness; artery perfusion; article; brain infarction; brain ischemia; carotid arteriography; carotid artery stenting; case report; cerebrovascular surgery; computed tomographic angiography; disease association; disease severity; dyslipidemia; echography; facial nerve paralysis; follow up; hemiparesis; human; internal carotid artery occlusion; limb weakness; male; middle cerebral artery; neuroimaging; nuclear magnetic resonance imaging; paresthesia; rehydration; vascular resistance
Type
journal article
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Distinguishing Critical Stenosis from Occlusion of the Internal Carotid Artery by Carotid Duplex in a Patient with Acute Ischemic Stroke.pdf
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