| Vascular function and multiple sclerosis. | |
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MedLine Citation:
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PMID: 21544565 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Multiple sclerosis (MS) is a debilitating disease with an assumed autoimmune etiology which may lead to elevated oxidative stress, vascular dysfunction, and subsequent predisposition to cardiovascular disease. Therefore, the primary aim of this study was to evaluate vascular function and the potential role of oxidative stress in patients diagnosed with MS compared to healthy controls (C). Fourteen patients with relapsing-remitting MS (47 ± 3 years) and 13 age- and activity-matched controls (44 ± 5 years) underwent brachial artery flow-mediated dilation (FMD) and reactive hyperemia testing using ultrasound Doppler. Venous blood was analyzed for C-reactive protein (CRP), lipid hydroperoxides (LH), the ferric reducing ability of plasma (FRAP), superoxide dismutase (SOD), and catalase activity. CRP [1.8 ± 0.5 mg/L (MS), 1.0 ± 0.5 mg/L (C)] and LH [1.2 ± 0.2 μmol/L (MS), 1.1 ± 0.1 μmol/L (C)] were not different between MS patients and controls. FMD [8.0 ± 1.2% (MS) and 9.2 ± 1.6% (C)] and reactive hyperemia [380 ± 61 mL (MS) and 402 ± 69 mL (C)] were also not different between groups. Vascular function, as assessed by both FMD and reactive hyperemia, was not impaired in patients with MS compared to controls. Further, there was no evidence of elevated systemic inflammation or oxidative stress in these patients, who were currently all in remission. These findings suggest that impaired vascular function, elevated inflammation and oxidative stress are not an obligatory accompaniment to MS. |
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Authors:
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Anette S Fjeldstad; John McDaniel; Melissa A H Witman; Steve J Ives; Jia Zhao; John W Rose; James Hannon; D Walter Wray; Russell S Richardson |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-5 |
Journal Detail:
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Title: Journal of neurology Volume: - ISSN: 1432-1459 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0423161 Medline TA: J Neurol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Division of Geriatrics, Department of Internal Medicine, George E. Whalen VA Medical Center, University of Utah, 500 Foothill Drive, Salt Lake City, UT, 84148, USA, a.fjeldstad@utah.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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