| Thrombotic occlusion of the middle cerebral artery. | |
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MedLine Citation:
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PMID: 1448827 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND AND PURPOSE: Epidemiological study of middle cerebral artery occlusion is important because the indication for extracranial-intracranial arterial bypass remains in dispute. To help clarify this issue, we investigated the prognosis of thrombotic middle cerebral artery occlusion in Japanese patients. METHODS: We studied 40 patients with thrombotic middle cerebral artery occlusion who were selected on the basis of clinical features, computed tomographic findings, and angiographic findings. Patients with causes of embolism (i.e., cardiomyopathy, valvular heart disease, cardiac arrhythmia, and carotid ulceration) were excluded. The 40 patients were classified into three groups according to the site of middle cerebral artery occlusion: there were 13 patients with occlusion of the proximal portion of the M1 segment, 13 with distal M1 segment occlusion, and 14 with occlusion of the M2 segment. RESULTS: Good collateral circulation was associated with improved outcomes both clinically and by computed tomography in patients with occlusion of the proximal and distal portions of the M1 segment but not in those with M2 occlusion. CONCLUSIONS: It is reasonable to assume that not only collateral circulation but also the site of occlusion plays an important role in the outcome of middle cerebral artery occlusion. Our finding that good collateral circulation improves the outcome for thrombotic occlusion of the proximal and distal M1 segments supports the possible benefits of such surgery. |
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Authors:
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S Ueda; K Fujitsu; S Inomori; T Kuwabara |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Stroke; a journal of cerebral circulation Volume: 23 ISSN: 0039-2499 ISO Abbreviation: Stroke Publication Date: 1992 Dec |
Date Detail:
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Created Date: 1992-12-29 Completed Date: 1992-12-29 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0235266 Medline TA: Stroke Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1761-6 Citation Subset: IM |
Affiliation:
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Department of Neurosurgery, Yokohama City University, School of Medicine, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Cerebral Angiography Cerebral Arteries* Cerebrovascular Circulation Collateral Circulation Contrast Media Female Hemiplegia / etiology, physiopathology Humans Intracranial Embolism and Thrombosis* / complications, physiopathology, radiography Male Middle Aged Prognosis Tomography, X-Ray Computed |
| Chemical | |
Reg. No./Substance:
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0/Contrast Media |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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