Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/62014
標題: Plasma levels of lipophilic antioxidant vitamins in acute ischemic stroke patients: correlation to inflammation markers and neurological deficits
作者: Chang, C.Y.
胡淼琳
Chen, J.Y.
Ke, D.
Hu, M.L.
關鍵字: acute ischemic stroke patients;antioxidant vitamins;inflammation;markers;acute-phase response;c-reactive protein;liquid-chromatography;beta-carotene;serum retinol;lycopene;profile;trial;scale
Project: Nutrition
期刊/報告no:: Nutrition, Volume 21, Issue 10, Page(s) 987-993.
摘要: 
Objectives: Acute ischemic stroke is a clinical condition accompanied by inflammation and oxidative stress. In this study, we compared levels of plasma lipophilic antioxidants and inflammation markers between patients with stroke and healthy controls and assessed the associations of antioxidants, inflammation markers, and neurologic deficits among patients with stroke. Methods: We measured plasma levels of lipophilic antioxidant vitamins (retinol, lycopene, alpha-carotene, beta-carotene, alpha-tocopherol, and gamma-tocopherol), inflammation markers (high-sensitivity C-reactive protein [hs-CRP], fibrinogen, erythrocyte sedimentation rate, and white blood cell count), and neurologic deficits (indicated by the score of the National Institute of Health Stroke Scale) in 68 patients with acute ischemic stroke within 48 h after stroke onset in comparison with 41 normal controls. Results: Plasma alpha- and beta-carotene concentrations were lower and levels of inflammation markers were higher among patients with acute ischemic stroke compared with normal controls. Levels of alpha- and beta-carotene in patients with stroke were negatively associated with hs-CRP level (R = -0.29 and -0.41, respectively, P < 0.01) and with neurologic deficits (R = -0.28 and -0.27, respectively, P < 0.05). The negative association between neurologic deficits and combined plasma levels of alpha- and beta-carotene remained after adjustment for age and sex (P = 0.04). However, the magnitude of association decreased after adjustment of hs-CRP (P = 0.08). Conclusion: Plasma concentrations of alpha- and beta-carotene are lower in patients with acute ischemic stroke than in healthy controls and are negatively correlated with hs-CRP level and neurologic deficits. The negative association between neurologic deficits and combined plasma alpha- and beta-carotene levels is confounded by hs-CRP. (c) 2005 Elsevier Inc. All rights reserved.
URI: http://hdl.handle.net/11455/62014
ISSN: 0899-9007
DOI: 10.1016/j.nut.2005.02.010
Appears in Collections:食品暨應用生物科技學系

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