Title
Dimethylarginine levels in cerebrospinal fluid of hyperacute ischemic stroke patients are associated with stroke severity
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences . Biomedical Sciences
Publication type
article
Publication
New York ,
Subject
Human medicine
Source (journal)
Neurochemical research. - New York
Volume/pages
34(2009) :9 , p. 1642-1649
ISSN
0364-3190
ISI
000268280800015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We hypothesise that asymmetric and symmetric dimethylarginine (ADMA, SDMA) are released in cerebrospinal fluid (CSF) due to ischemia-induced proteolysis and that CSF dimethylarginines are related to stroke severity. ADMA and SDMA were measured in CSF of 88 patients with ischemic stroke or TIA within 24 h after stroke onset (mean 8.6 h) and in 24 controls. Stroke severity was assessed by the National Institutes of Health Stroke Scale (NIHSS) score at admission. Outcome was evaluated by institutionalization due to stroke and the modified Rankin scale. Dimethylarginine levels were higher in patients with stroke than in TIA patients, who had higher levels than controls and correlated with the NIHSS. Logistic regression analysis confirmed that dimethylarginines were independently associated with stroke severity. The SDMA/ADMA ratio did not differ significantly between controls and stroke patients. CSF dimethylarginine levels are increased in hyperacute ischemic stroke and are associated with stroke severity.
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