A pilot study of microembolic signals in patients with middle cerebral artery stenosis
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摘要Objective. There has been limited data on the frequency of microembolic signals in patients with middle cerebral artery (MCA) stenosis, especially during the acute phase of stroke. Using transcranial Doppler, the authors prospectively monitored the MCA segments distal to stenosis in 4 groups of patients for 30 minutes: (1) symptomatic patients with acute ischemic stroke and MCA stenosis, (2) asymptomatic group patients with asymptomatic MCA stenosis, (3) control patients with acute ischemic stroke of undetermined etiology, and (4) normal people. A total of 60 patients completed the study. There were no microembolic signals in the asymptomatic. control, and normal groups. Among 20 patients in the symptomatic group, microembolic signals were detected in 3 patients (15%). The number of emboli ranged from 1 to 6 per 30 minutes. This is the first report of the presence of microembolic signals in acute stroke patients with MCA stenosis.
著者Wong KS, Gao S, Lam WWM, Chan YL, Kay R
期刊名稱Journal of Neuroimaging
出版年份2001
月份4
日期1
卷號11
期次2
出版社SAGE PUBLICATIONS INC
頁次137 - 140
國際標準期刊號1051-2284
電子國際標準期刊號1552-6569
語言英式英語
關鍵詞cerebral embolism; ethnicity; middle cerebral artery; stenosis; ultrasonics
Web of Science 學科類別Clinical Neurology; CLINICAL NEUROLOGY; Neuroimaging; NEUROIMAGING; Neurosciences & Neurology; Radiology, Nuclear Medicine & Medical Imaging; RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

上次更新時間 2020-28-11 於 01:09