Lancet Gastroen Hepatol:直肠拭子用于儿童肠道致病菌鉴定

2017-07-14 zhangfan MedSci原创

研究认为,相比于粪便样本检查,直肠拭子检查是一种快速可靠的肠道致病菌鉴定方法

肠道致病菌检测传统上依靠腹泻粪便样本,样本收集不方便并且由于检测时效因素容易发生样品污染以及诊断延误。近日研究人员在儿科腹泻或呕吐患儿中比较了直肠拭子或粪便样本对肠道致病菌检测的差异。

研究招募了18岁以下的, 24小时内至少有三次呕吐或腹泻症状且症状少于7天的儿童患者。研究人员对所有参与者进行直肠拭子检查并收集粪便样本。标本检测方法包括Luminex xTAG胃肠道病原体测试,5种病毒测试和细菌培养。主要终点是比较二种检测方法的结果差异

研究招募1519名参与者,其中1147人(76%)进行粪便样本采集,1514人(>99%)进行直肠拭子样本采集。研究发现871个(76%)粪便验本以及1024个(68%)直肠拭子样本病原体检测阳性,粪便样本相对于拭子标本,对于腹泻症状儿童检查的阳性检出率比值比为1.24(95% CI 1.11-1.38),对于无腹泻症状儿童检查的阳性检出率比值比为1.76(1.47-2.11)。广义估计方程显示腹泻症状、标本类型(P = 0.0011)与采集地点(P = 0.0078)相互影响。全队列分析显示,粪便样本的病原体检出率为57%(871/1519),直肠拭子样本病原体检出率为67% (1024/1519),粪便样本相对于直肠拭子未调整的比值比为0.65(95% CI 0.59-0.72)。

研究认为,相比于粪便样本检查,直肠拭子检查是一种快速可靠的肠道致病菌鉴定方法。

原始出处:


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    2017-09-03 howi
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    2018-06-10 许安
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    2017-07-16 gwc384
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    2017-07-15 清风拂面

    学习了,谢谢分享

    0

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    2017-07-14 雾夜芭蕾

    直肠式子用于儿童肠道致病菌坚定

    0

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