Clinica Chimica Acta:两种半定量免疫检测方法在急诊科、住院和康复患者中的SARS-CoV-2抗体特性如何?

2020-07-19 MedSci原创 MedSci原创

在当前COVID-19大流行中,迫切需要对血清学检测进行综合性能评估和临床效用评估,以了解免疫系统对SARS-CoV-2的反应。

在当前COVID-19大流行中,迫切需要对血清学检测进行综合性能评估和临床效用评估,以了解免疫系统对SARS-CoV-2的反应。

本研究通过循环增强荧光法(CEFA)和微球免疫法(MIA)分别测定抗SARS-CoV-2的IgM/IgG和总抗体。独立的性能评价包括不精确性、重复性、特异性和交叉反应性(CEFA n = 320, MIA n = 364)。用这两种方法评估了87名初次急诊病人、28名住院病人(106个系列样本)和145名恢复期病人的临床效用。共评估916例患者和994例样本。

302个样本CEFA与MIA的一致性为90.4%-94.5% (Kappa: 0.81-0.89)。CEFA和MIA在ED患者中分别检测到26.2%和26.3%的SARS-CoV-2抗体。随着时间的推移,出现症状后21天的检出率达到100%。通过CEFA和MIA测量的纵向抗体动力学变化有很好的相关性,并表现出三种类型的血清转化。恢复期血清显示出广泛的抗体水平。

研究结果表明,严格验证的CEFA和MIA检测方法对于检测SARS-CoV-2抗体是可靠的,并且在评估住院和恢复期患者的免疫反应时显示了良好的临床应用前景,但对患者初次ED访视的早期筛查没有帮助。

原始出处:

He S.YangSabrina E.Racine-BrzostekSARS-CoV-2 antibody characterization in emergency department, hospitalized and convalescent patients by two semi-quantitative immunoassays

 

评论区 (6)
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    2020-12-19 windight

    #CTA#

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    2020-08-21 晓辰
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    2021-02-07 hukaixun

    #SARS-CoV#

    0

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    2020-07-21 tigerlr98
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    2020-07-21 小刀医生

    #SARS#

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1849980, encodeId=afb71849980ae, content=<a href='/topic/show?id=61815385aa' target=_blank style='color:#2F92EE;'>#CTA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5385, encryptionId=61815385aa, topicName=CTA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ec9955, createdName=windight, createdTime=Sat Dec 19 14:21:32 CST 2020, time=2020-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1685495, encodeId=85561685495f8, content=<a href='/topic/show?id=7c3b1590400' target=_blank style='color:#2F92EE;'>#SARS-CoV-2抗体#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=119, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15904, encryptionId=7c3b1590400, topicName=SARS-CoV-2抗体)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=499e28204717, createdName=晓辰, createdTime=Fri Aug 21 01:21:32 CST 2020, time=2020-08-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937938, encodeId=de80193e9380b, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15902, encryptionId=02de15902d3, topicName=SARS-CoV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6ab940, createdName=hukaixun, createdTime=Sun Feb 07 02:21:32 CST 2021, time=2021-02-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1282198, encodeId=e8fd128219819, content=<a href='/topic/show?id=4fd952582f1' target=_blank style='color:#2F92EE;'>#急诊科#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=52582, encryptionId=4fd952582f1, topicName=急诊科)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=570c172, createdName=tigerlr98, createdTime=Tue Jul 21 08:21:32 CST 2020, time=2020-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321204, encodeId=c5f11321204c4, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15900, encryptionId=ac0d159007f, topicName=SARS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8306486, createdName=小刀医生, createdTime=Tue Jul 21 08:21:32 CST 2020, time=2020-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1457116, encodeId=2322145e1164b, content=<a href='/topic/show?id=b7e86254347' target=_blank style='color:#2F92EE;'>#检测方法#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=140, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62543, encryptionId=b7e86254347, topicName=检测方法)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8fe35841975, createdName=gracezdd, createdTime=Tue Jul 21 08:21:32 CST 2020, time=2020-07-21, status=1, ipAttribution=)]
    2020-07-21 gracezdd