alexa Neutrophil to lymphocyte ratio predicts poor prognosis in ischemic cerebrovascular disease.


Journal of Nephrology & Therapeutics

Author(s): Celikbilek A, Ismailogullari S, Zararsiz G

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Abstract BACKGROUND: Inflammation plays a role in the pathogenesis of carotid atherosclerosis. Although previous data demonstrated an association between inflammatory biomarkers and stroke, there is no publication reporting the relation of neutrophil to lymphocyte (N/L) ratio with ischemic stroke. We aimed to analyze the predictive ability of N/L ratio in acute ischemic cerebrovascular disease. METHODS: A total of 190 patients including 70 patients with first-ever atherothrombotic acute ischemic stroke (AAIS), 50 patients with transient ischemic attack, and 70 healthy subjects were enrolled in this study. We analyzed the values of white blood cell (WBC), N/L ratio, C-reactive protein (CRP), gamma-glutamyltransferase (GGT), homocysteine (HCY), mean platelet volume (MPV) in patients with ischemic group and compared those with control individuals. RESULTS: WBC, CRP, HCY, N/L ratio were found to increase significantly in AAIS patients than the controls (P < 0.001). With respect to mortality, there were no significant differences between the values of CRP, GGT, HCY, and MPV in patients with AAIS. However, WBC and N/L ratio values were found to increase significantly in dead patients (P = 0.024 and P = 0.029, respectively). A comparison of receiver operating characteristic curves among WBC, CRP, GGT, HCY, MPV, and N/L ratio variables was made. No significant differences were obtained between area under curve values (P > 0.05). A cut-off value of 4.1 for N/L ratio was detected in predicting mortality with a sensitivity of 66.7\% and a specificity of 74.1\% (κ = 0.299, P = 0.006). CONCLUSIONS: These findings support the role of N/L ratio as a simple inexpensive and readily available marker of prognosis in acute ischemic stroke. © 2013 Wiley Periodicals, Inc. This article was published in J Clin Lab Anal and referenced in Journal of Nephrology & Therapeutics

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