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題 名 | Clinical Findings of Intracranial Vertebral Artery Disease Using Magnetic Resonance Angiography=利用磁核共振血管攝影探討顱內椎動脈疾病之臨床發現 |
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作 者 | 劉祿翰; 陳啟昌; 張鳴宏; | 書刊名 | Acta Neurologica Taiwanica |
卷 期 | 13:3 2004.09[民93.09] |
頁 次 | 頁120-125 |
分類號 | 415.945 |
關鍵詞 | 磁核共振; 血管攝影; 顱內椎動脈疾病; Clinical findings; Intracranial vertebral artery; Magnetic resonance angiography; |
語 文 | 英文(English) |
英文摘要 | The vertebral artery lesion has a variety of clinical characteristics. We sought to clarify the clinical patterns and the location of the intracranial vertebral artery (ICVA) diseases according to analyses of images obtained using magnetic resonance angiography (MRA). We studied vascular lesions, risk factors, symptoms, signs, and outcomes in 35 patients with ICVA disease (3 had bilateral occlusion; 9, unilateral occlusion; 6, bilateral stenosis; and 17, unilateral stenosis). The most common site of unilateral and bilateral lesions was the distal ICVA after the origin of posterior inferior cerebellar artery (PICA). We found accompanying basilar artery disease in 28.6% of patients with unilateral and bilateral ICVA disease. The majority of the ICVA lesions were associated with internal carotid arteries disease (48.8%). The common vascular risk factors were hypertension (71%), diabetes mellitus (34%), hyperlipidemia (31%), smoking (29%), and coronary artery disease (23%). Eighteen patients (51.4%) had transient ischemic attacks (TIAs) only, 10 patients (28.6%) had TIAs before stroke, and 5 patients (14.3%) had strokes without TIAs. Most patients (80%) with TIAs, with or without stroke, had multiple episodes. Vertigo or dizziness, ataxia, limbs weakness and abnormal gait were the common symptoms and signs. At 6 months follow-up, 66.7% patients had no symptoms or only slight symptoms that caused no disability. Our data showed(1)the usual location of ICVA disease (occlusion or severe stenosis) was distal to PICA, especially near the vertebrobasilar junction;(2)the risk factors were hypertension, diabetes mellitus, hyperlipidemia, smoking, and coronary artery disease;(3)patients with ICVA disease had a high frequency of accompanying internal carotid, middle cerebral, or basilar artery disease;(4)vertigo or dizziness, and ataxia were the common symptoms and signs;(5)TIA was the most common clinical pattern;(6)the outcome was favorable, except in cases with bilateral ICVA occlusion. |
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