| Focal Cerebral Ischemia After Surgery in the "Beach Chair" Position: The Role of a Congenital Variation of Circle of Willis Anatomy. | |
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MedLine Citation:
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PMID: 22052983 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A 50-year-old man underwent shoulder surgery in the beach chair position. His mean arterial blood pressure at arm level was approximately 65 mm Hg. Postoperatively, there was delayed awakening and a right hemiparesis. Radiologic evaluation revealed a congenital asymmetry of the circle of Willis that resulted in limited collateral flow to the left anterior and middle cerebral artery distributions. Similar anatomical variations are relatively common in the general population and may render some patients relatively and unpredictably more vulnerable to hypotension. |
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Authors:
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John C Drummond; Roland R Lee; James P Howell |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-3 |
Journal Detail:
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Title: Anesthesia and analgesia Volume: - ISSN: 1526-7598 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 1310650 Medline TA: Anesth Analg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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From the Departments of *Anesthesiology and. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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