Abstract
The main purpose of this study was to investigate the dynamic changes of neutrophils-lymphocytes ratios (NLRs) in patients with acute ischemic stroke (AIS) and their relationships with 3-month prognostic outcomes. Two hundred ninety-one patients with AIS were included in this study, followed up for 3months. At admission, 1 and 7days after recombinant tissue plasminogen activator (r-tPA) injection, blood samples were obtained. Outcome events included excellent outcome, good outcome, and death defined as modified Rankin Scale (mRS) scores of 0-1, 0-2, and 6 respectively. NLRs measured in admission and 7days after r-tPA treatment were associated with prognosis outcome after 3months. Twenty-four-hour NLR is an excellent indicator in forecasting (excellent outcome's the areas under the curve (AUC) = 0.725; good outcome AUC = 0.742; death AUC = 0.759). In addition, we were surprised to find that dynamic increase in NLR within 24h is significantly related to excellent and good outcomes. Twenty-four-hour NLR is related to the severity of AIS and poor prognosis, which can help early risk stratification. We can predict the prognosis of AIS more accurately. Compared with previous studies, our study has shown the dynamic changes of NLR and its relationship with NIHSS and multiple prognostic.
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