Evaluation of lactate as a marker of metabolic stress and cause of secondary damage in acute ischemic stroke or TIA

被引:66
作者
Brouns, Raf [1 ,2 ,3 ]
Sheorajpanday, Rishi [1 ,2 ,3 ]
Wauters, Annick [4 ]
De Surgeloose, Didier [5 ]
Marien, Peter [1 ,2 ,3 ,6 ]
De Deyn, Peter P. [1 ,2 ,3 ]
机构
[1] Univ Antwerp, Inst Born Bunge, Lab Neurochem & Behav, Dept Biomed Sci, B-2610 Antwerp, Belgium
[2] ZNA Middelheim Hosp, Dept Neurol, Antwerp, Belgium
[3] ZNA Middelheim Hosp, Memory Clin, Antwerp, Belgium
[4] ZNA Middelheim Hosp, Dept Biol Clin, Antwerp, Belgium
[5] ZNA Middelheim Hosp, Dept Radiol, Antwerp, Belgium
[6] Vrije Univ Brussel, Dept Linguist, Brussels, Belgium
关键词
Lactate; Stroke; Stroke evolution; Stroke outcome; Cerebrospinal fluid; Metabolic stress; Secondary ischemia;
D O I
10.1016/j.cca.2008.07.016
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Background: Accumulation of lactate in ischemic regions has been documented in acute stroke. We evaluated the relation between lactate levels in blood and cerebrospinal fluid (CSF) and ischemic stroke evolution and outcome. Methods: Lactate was measured in blood of 187 acute ischemic stroke and TIA patients at admission, 24 h. 72 h and 7 days after stroke onset. In a subpopulation of 85 stroke patients and in 51 controls, lactate was measured in CSF. Stroke evolution was evaluated by change in the NIHSS score within the first 72 h and by occurrence of progressing stroke. At 3 months after stroke, outcome was assessed on the basis of mortality rate and the modified Rankin Scale. Results: We found no relation between lactate levels in blood and stroke evolution or outcome. Lactate in CSF was higher in stroke patients than in controls and correlated with stroke evolution and outcome. Multivariate regression analyses showed that CSF lactate levels, age and stroke severity are independent predictors for stroke evolution and outcome. Conclusions: Lactate levels in CSF, but not in blood, are a reliable marker for metabolic crisis in acute ischemic stroke and correlate with the stroke evolution in the subacute phase and with long-term outcome. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:27 / 31
页数:5
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