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  • Title: Association of mean platelet volume and platelet count with the development and prognosis of ischemic and hemorrhagic stroke.
    Author: Du J, Wang Q, He B, Liu P, Chen JY, Quan H, Ma X.
    Journal: Int J Lab Hematol; 2016 Jun; 38(3):233-9. PubMed ID: 26992440.
    Abstract:
    INTRODUCTION: Mean platelet volume (MPV) and platelet (PLT) count are the two major parameters that reflect the functions and activities of PLTs. The associations of MPV and PLT count with the occurrence and prognosis of stroke have not been fully clarified. This study aimed to investigate the association of MPV and PLT count with the development and prognosis of first-ever ischemic and hemorrhagic stroke in order to provide evidence for early diagnosis and treatment of both strokes. METHODS: This study included 281 first-ever ischemic stroke and 164 first-ever hemorrhagic stroke patients between 2010 and 2012. All participants received routine blood tests within 2 h after admission and were categorized into good or poor prognosis group based on the Modified Rankin Scale (mRS) score. MPV and PLT counts were transformed into categorical variables and their association with the occurrence and prognosis of both strokes was evaluated by multivariate logistic regression. RESULTS: The risk of ischemic and hemorrhagic stroke in MPV group (>13 fL) was 22.17 and 5.21 times higher compared with normal MPV group. The PLT count was positively correlated with the risk of ischemic stroke, but negatively correlated with the risk of hemorrhagic stroke. MPV and PLT count was not correlated with the prognosis of either stroke. CONCLUSIONS: Increased MPV is an independent risk factor for both strokes. Elevated PLT count increases the risk for ischemic stroke, but decreases the risk for hemorrhagic stroke. However, neither MPV nor PLT count has significant association with the prognosis of either stroke.
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