• J Stroke Cerebrovasc Dis · Mar 2017

    Neutrophil-to-Lymphocyte Ratio Is a Prognostic Marker in Acute Ischemic Stroke.

    • Jie Xue, Wensi Huang, Xiaoli Chen, Qian Li, Zhengyi Cai, Tieer Yu, and Bei Shao.
    • Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
    • J Stroke Cerebrovasc Dis. 2017 Mar 1; 26 (3): 650-657.

    BackgroundNeutrophil-to-lymphocyte ratio is an independent predictor of mortality in patients with acute ischemic stroke. However, it is uncertain whether neutrophil-to-lymphocyte ratio is related with functional outcome and recurrent ischemic stroke. In this study, we aimed to investigate the relationship of neutrophil-to-lymphocyte ratio with stroke severity, functional outcome, and recurrent ischemic stroke after acute ischemic stroke.MethodsA total of 280 patients with acute ischemic stroke were included in the study. Patients were divided into 3 groups according to the neutrophil-to-lymphocyte ratio value (<2, 2-3, >3). Demographic, clinical, and laboratory data were collected for all patients. We evaluated the association between neutrophil-to-lymphocyte ratio and (1) stroke severity on admission, (2) functional outcome at 3 months, and (3) recurrent ischemic stroke. Regression analyses were performed, adjusting for confounders.ResultsAfter adjustment for potential confounders, neutrophil-to-lymphocyte ratio was associated with an increased risk of stroke severity on admission (odds ratio [OR] 1.364, 95% confidence interval [CI] 1.101-1.690, P = .005) and primary unfavorable outcome (OR 1.455, 95% CI 1.083-1.956, P = .013). After a median of 1.13 years (interquartile range.91-1.42) of follow-up, neutrophil-to-lymphocyte ratio was associated with recurrent ischemic stroke after adjustment (hazard ratio 1.499, 95% CI 1.161-1.935, P = .002).ConclusionsOur study suggests that neutrophil-to-lymphocyte ratio is associated with stroke severity on admission, primary unfavorable functional outcome, and recurrent ischemic stroke in patients with acute ischemic stroke.Copyright © 2017 National Stroke Association. Published by Elsevier Inc. All rights reserved.

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