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目的与方法 :对 83例急性期脑梗死患者的血小板计数及血小板平均体积作了动态观察。结果 :血小板计数与血小板平均体积存在时间变化规律 ,而血小板压积无变化 ;血小板下降与梗死面积间存在显著负相关关系。结论 :血小板计数下降是出于梗死后血小板消耗引起 ,而血小板平均体积增加是继发于血小板计数下降而出现的 ,并非梗死的原因。
PURPOSE AND METHODS: The platelet count and mean platelet volume of 83 patients with acute cerebral infarction were dynamically observed. Results: The change of platelet count and platelet volume had the same time but no change of platelet pressure. There was a significant negative correlation between platelet count and area of infarction. CONCLUSIONS: The decrease in platelet count is due to platelet consumption after infarction, whereas the average increase in platelet count is secondary to a decrease in platelet count and is not the cause of infarction.