| Cerebral microembolism detected by transcranial Doppler during cardiac procedures. | |
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MedLine Citation:
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PMID: 11022086 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND AND PURPOSE: Cerebral embolism with clinical sequelae may rarely complicate cardioversion and cardiac catheterization. Transcranial Doppler sonography has recently been introduced to monitor microemboli entering the middle cerebral artery in cardiac and carotid surgery. We therefore used this technique to evaluate the risk of asymptomatic embolism during common cardiac procedures. METHODS: Patients were monitored by transcranial Doppler while undergoing direct current cardioversion (n=15) and cardiac catheterization (n=17). RESULTS: Microemboli were detected in all patients having cardiac catheterization but in only 1 patient after cardioversion. CONCLUSIONS: Microembolism occurred frequently during cardiac catheterization and rarely during cardioversion. It is not yet known whether this has clinical relevance. |
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Authors:
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J Stygall; R Kong; J M Walker; S M Hardman; M J Harrison; S P Newman |
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Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: Stroke; a journal of cerebral circulation Volume: 31 ISSN: 1524-4628 ISO Abbreviation: Stroke Publication Date: 2000 Oct |
Date Detail:
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Created Date: 2000-10-13 Completed Date: 2000-10-26 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: 2508-10 Citation Subset: IM |
Affiliation:
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Departments of Neurological Studies, Department of Cardiovascular Medicine, University College London Hospitals and Medical School, London, United Kingdom. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Electric Countershock
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adverse effects* Heart Catheterization / adverse effects* Humans Intracranial Embolism / etiology, ultrasonography* Middle Cerebral Artery / ultrasonography Monitoring, Intraoperative Risk Assessment Sensitivity and Specificity Ultrasonography, Doppler, Transcranial |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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