| Hemodynamic monitoring of intracranial collateral flow predicts tissue and functional outcome in experimental ischemic stroke. | |
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MedLine Citation:
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PMID: 22193110 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Intracranial collaterals provide residual blood flow to penumbral tissue in acute ischemic stroke and contribute to infarct size variability in humans. In the present study, hemodynamic monitoring of the borderzone territory between the leptomeningeal branches of middle cerebral artery and anterior cerebral artery was compared to lateral middle cerebral artery territory, during common carotid artery occlusion and middle cerebral artery occlusion in rats. The functional performance of intracranial collaterals, shown by perfusion deficit in the territory of leptomeningeal branches either during common carotid artery occlusion or middle cerebral artery occlusion, showed significant variability among animals and consistently predicted infarct size and functional deficit. Our findings indicate that leptomeningeal collateral flow is a strong predictor of stroke severity in rats, similarly to humans. Monitoring of collateral blood flow in experimental stroke is essential for reducing variability in neuroprotection studies and accelerating the development of collateral therapeutics. |
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Authors:
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Matteo Riva; Giovanni B Pappadà; Michalis Papadakis; Elisa Cuccione; Davide Carone; Virginia Rodriguez Menendez; Erik P Sganzerla; Simone Beretta |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-13 |
Journal Detail:
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Title: Experimental neurology Volume: - ISSN: 1090-2430 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370712 Medline TA: Exp Neurol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Inc. |
Affiliation:
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Department of Neuroscience and Biomedical Technologies, University of Milano Bicocca, Monza, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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