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血标本放置时间对全血细胞计数的影响 被引量:8

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摘要 为探讨血标本放置时间对全血细胞的影响,测定201例健康人静脉血放置0、5、10、30、20、60 min时全血中红细胞(RBC)、血红蛋白(HGB)、平均红细胞体积(MCV)、白细胞(WBC)、血小板(PLT)的值,比较放置不同时间所测平均值的差异.结果 ,WBC在采血后0~30 min内随时间延长其数量不规则递减(P<0.05),直方图小细胞群截距也随时间延长不规则下降;PLT随时间延长其数量呈不规则增多(P<0.05),直方图逐渐变得平滑,尾部逐渐降低;WBC与PLT放置30min和60min测定,其数量无变化(P>0.05).认为经EDTA-K2抗凝的全血标本,在采血30min后进行全血细胞分析,可提高结果的准确性.
出处 《宁夏医学院学报》 2007年第2期197-198,共2页 Journal of Ningxia Medical College
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