| Aspirin resistance is more common in lacunar strokes than embolic strokes and is related to stroke severity. | |
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MedLine Citation:
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PMID: 18319729 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to investigate the relationship between aspirin resistance, ischaemic stroke subtype, stroke severity, and inflammatory cytokines. Aspirin resistance was assessed by thrombelastography in 45 people with ischaemic stroke and 25 controls. Plasma interleukin (IL)-6 was measured. Stroke severity was assessed using the modified Rankin scale and National Institute of Health Stroke Score within 72 h of stroke. Aspirin resistance was more common in the stroke than the control group (67% versus 40%, P=0.028), and within the stroke group the aspirin-resistant group had a higher Rankin score (4.0 versus 2.0, P=0.013). Aspirin resistance was greater in lacunar than embolic strokes (platelet activation 79% versus 59%, P=0.020). The stroke aspirin-resistant group had higher levels of IL-6 than the stroke aspirin-sensitive group (2.4+/-1 versus 1.8+/-0.9 ng/mL, P=0.037). Using multivariate analysis, we examined the interrelationships between aspirin resistance, IL-6, and stroke severity. These analyses showed that IL-6 was independently associated with stroke severity as the outcome (B=3.738, P=0.036), and aspirin resistance was independently associated with IL-6 (B=0.765, P=0.005) as the outcome. In conclusion, aspirin resistance is related to stroke severity and aspirin resistance is more common in lacunar strokes than embolic strokes. |
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Authors:
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Nicola A Englyst; Gill Horsfield; Joseph Kwan; Christopher D Byrne |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2008-03-05 |
Journal Detail:
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Title: Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism Volume: 28 ISSN: 0271-678X ISO Abbreviation: J. Cereb. Blood Flow Metab. Publication Date: 2008 Jun |
Date Detail:
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Created Date: 2008-05-23 Completed Date: 2008-07-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8112566 Medline TA: J Cereb Blood Flow Metab Country: United States |
Other Details:
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Languages: eng Pagination: 1196-203 Citation Subset: IM |
Affiliation:
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Endocrinology and Metabolism Unit, Developmental Origins of Health and Disease Division, University of Southampton, Southampton, UK. nae@soton.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aspirin / pharmacology* Brain Infarction / pathology* Drug Resistance / drug effects* Embolism / blood, pathology* Female Humans Interleukin-6 / blood Male Platelet Activation / drug effects Stroke / blood, pathology* |
| Chemical | |
Reg. No./Substance:
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0/Interleukin-6; 50-78-2/Aspirin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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