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抗凝血静置时间对全血分析中白细胞计数的影响 被引量:1

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摘要 目的确定不同温度下抗凝血静置时间的长短对全血分析中白细胞计数的影响。方法在15℃和25℃室温下各抽取100例静脉血,用EDTA-K2抗凝,于法国ABX-MICROS60血液分析仪立即平行测定3次,然后分别于5min、10min、15min、20min、30min,各测定3次,分别计算其均值,按时间分组,分别利用多样本均数间显著性检验进行统计学分析。结果15℃时,W BC在采血后0~15min内随时间延长其数量不规则递减,组与组之间有显著性差异(P<0.01),直方图小细胞截距也随时间延长不规则下降。15min、20min和30min所测的三组W BC无显著差异(P>0.05)。25℃时,W BC在采血后0~10min内随时间延长其数量不规则递减,组与组之间有显著差异(P<0.01)。10min、15min、20min和30min所测的四组W BC结果无显著差异(P>0.05)。结论经EDTA-K2抗凝的全血标本,在采血10~15min后进行全血细胞分析,可提高结果的准确性。
出处 《江西医学检验》 2005年第4期343-343,310,共2页 Jiangxi Journal of Medical Laboratory Sciences
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