生化检验标本放置时间对结果的影响
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作者单位：510540 广州友好医院(詹燕华)；广东省茂名市中医院(周世锋)
通讯作者：詹燕华
【摘要】 目的 观察空腹静脉血标本静置时间对常规生化检验结果的影响。方法 随机抽取134例住院患者早晨空腹静脉血标本，每例血标本分别放置于3个试管内，分别在1 h、2 h、3 h分离血清，检测血糖、尿素氮、肌酐、钾、钠、氯、谷丙转氨酶、总胆红素、直接胆红素9个项目。结果 血糖采血后2 h与3 h、氯采血后3 h与1 h检测结果比较差异有统计学意义(P<0.05)。结论 测空腹血糖采血时应注明时间，1 h内分离血清进行检测；氯应在采血后2 h内分离血清进行检测。
【关键词】 空腹血标本； 静置时间； 生化检验
Impact of laying-aside time of blood sample on routine biochemical laboratory results ZHAN Yan-hua, ZHOU Shi-feng. Guangzhou Youhao Hospital, Guangzhou 510540, China
【Abstract】 Objective To observe the impact of laying-aside time of fast venous blood samples on the laboratory results of routine biochemical items.Methods A total of 134 patients were selected randomly and their fasting blood samples were collected into 3 different test tubes. Serum was separated 1 h, 2 h, and 3 h later respectively. Altogether 9 items including blood glucose, urea nitrogen, creat inine, potassium, sodium, chlorine, glutamic-pyruvic transaminase, total bilirubin, and direct bilirubin were detected.Results In terms of the detected blood glucose concentration results, there was statistcal significance between 2 h and 3 h of blood samples laying aside ......
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