N Engl J Med:核酸检测,患者自己采样可行吗?NEJM发表详细数据对比

2020-07-31 药明康德内容团队 医学新视点

在疫情控制中,核酸检测是重要的一环。大规模核酸检测的采样现场也让我们再次感受到医护人员的辛苦。患者自己采样是否可行呢?本研究将患者多个部位自行采集的样本和医护人员采集的鼻咽拭子进行了数据结果

在疫情控制中,核酸检测是重要的一环。近日来,中国国内个别城市出现新一轮疫情,大规模核酸检测的采样现场也让我们再次感受到医护人员的辛苦。

那么,患者自己采样是否可行呢?此前,袁国勇院士领衔的研究中,曾让患者在护士指导下自行收集口咽后部的唾液样本,研究数据也支持了用这种唾液样本进行病毒载量监测的可行性。《新英格兰医学杂志》最新发表的一篇通讯文章通过更详实的数据探讨了这个问题,将患者多个部位自行采集的样本和医护人员采集的鼻咽拭子进行了数据结果的比对。

研究在华盛顿州5家门诊机构展开,纳入了530例有上呼吸道感染症状的患者。这些患者在说明指导下,自行收集舌、鼻和中鼻甲拭子,并且随后由医护人员再收集一次鼻咽拭子。接下来,研究团队将对比两类样本用于核酸检测的敏感性(真阳性率,不漏诊)。

对比501例同时采集了舌头和鼻咽拭子患者数据:有450例患者的拭子一致为阴性,有44例患者的拭子一致均为阳性;有7例检测结果不一致,其中5例为鼻咽拭子阳性、舌拭子阴性,2例为舌拭子阳性、鼻咽拭子阴性。

对比498例同时采集了鼻子和鼻咽拭子患者数据:有447例患者的拭子一致为阴性,有47例患者的拭子一致均为阳性;有4例检测结果不一致,其中3例为鼻咽拭子阳性、鼻拭子阴性,1例为鼻拭子阳性、鼻咽拭子为阴性。

对比504例同时采集了中鼻甲和鼻咽拭子患者数据:有452例患者的拭子一致为阴性,有50例患者的拭子一致均为阳性;有2例检测结果不一致,均为鼻咽拭子阳性,中鼻甲拭子阴性。

对比医护人员采集的鼻咽拭子,这些患者自行采集的舌、鼻和中鼻甲拭子的敏感性分别达到89.8%(单边97.5% CI, 78.2%-100.0%)、94.0%(单边97.5% CI, 83.8%-100.0%)和96.2%(单边97.5% CI, 87.0-100.0%)。

病毒载量数据提示,中鼻甲部位的病毒载量可能高于鼻咽处,鼻子和鼻咽部位的病毒载量则相似。

研究团队指出,基于这些数据,患者自行采集的舌、鼻和中鼻甲拭子的准确性可接受,且具有临床实用性。患者自行采样可以减少医护工作人员的暴露风险,并带来更舒适的患者体验。当然,研究团队也承认研究仅在局部地区开展,也尚未达到标准测试的完美标准,但为采样可行性提供了参考。

原始出处:

Yuan-Po Tu 1, Rachel Jennings 2, Brian Hart 2, et al.Swabs Collected by Patients or Health Care Workers for SARS-CoV-2 Testing.N Engl J Med. 2020 Jul 30;383(5):494-496. doi: 10.1056/NEJMc2016321. Epub 2020 Jun 3.

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    2021-06-22 haouestc
  2. [GetPortalCommentsPageByObjectIdResponse(id=1785552, encodeId=dba21e85552c3, content=<a href='/topic/show?id=34b86e91f9' target=_blank style='color:#2F92EE;'>#Engl#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6791, encryptionId=34b86e91f9, topicName=Engl)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7eeb2500172, createdName=haouestc, createdTime=Tue Jun 22 02:13:52 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2081593, encodeId=c569208159388, content=<a href='/topic/show?id=57406e8506' target=_blank style='color:#2F92EE;'>#Eng#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6785, encryptionId=57406e8506, topicName=Eng)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3516494, createdName=spoonycyy, createdTime=Tue Aug 18 01:13:52 CST 2020, time=2020-08-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1610612, encodeId=b7c5161061247, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Sun Aug 02 02:13:52 CST 2020, time=2020-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035370, encodeId=afd310353e0c8, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Fri Jul 31 14:13:52 CST 2020, time=2020-07-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=805367, encodeId=f20380536e0c, content=<a href='/topic/show?id=65b05806579' target=_blank style='color:#2F92EE;'>#新冠病毒#</a>自我检测也一样有效。, beContent=null, objectType=article, channel=null, level=null, likeNumber=142, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58065, encryptionId=65b05806579, topicName=新冠病毒)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Fri Jul 31 13:45:07 CST 2020, time=2020-07-31, status=1, ipAttribution=)]
    2020-08-18 spoonycyy
  3. [GetPortalCommentsPageByObjectIdResponse(id=1785552, encodeId=dba21e85552c3, content=<a href='/topic/show?id=34b86e91f9' target=_blank style='color:#2F92EE;'>#Engl#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6791, encryptionId=34b86e91f9, topicName=Engl)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7eeb2500172, createdName=haouestc, createdTime=Tue Jun 22 02:13:52 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2081593, encodeId=c569208159388, content=<a href='/topic/show?id=57406e8506' target=_blank style='color:#2F92EE;'>#Eng#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6785, encryptionId=57406e8506, topicName=Eng)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3516494, createdName=spoonycyy, createdTime=Tue Aug 18 01:13:52 CST 2020, time=2020-08-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1610612, encodeId=b7c5161061247, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Sun Aug 02 02:13:52 CST 2020, time=2020-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035370, encodeId=afd310353e0c8, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Fri Jul 31 14:13:52 CST 2020, time=2020-07-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=805367, encodeId=f20380536e0c, content=<a href='/topic/show?id=65b05806579' target=_blank style='color:#2F92EE;'>#新冠病毒#</a>自我检测也一样有效。, beContent=null, objectType=article, channel=null, level=null, likeNumber=142, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58065, encryptionId=65b05806579, topicName=新冠病毒)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Fri Jul 31 13:45:07 CST 2020, time=2020-07-31, status=1, ipAttribution=)]
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    2020-07-31 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1785552, encodeId=dba21e85552c3, content=<a href='/topic/show?id=34b86e91f9' target=_blank style='color:#2F92EE;'>#Engl#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6791, encryptionId=34b86e91f9, topicName=Engl)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7eeb2500172, createdName=haouestc, createdTime=Tue Jun 22 02:13:52 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2081593, encodeId=c569208159388, content=<a href='/topic/show?id=57406e8506' target=_blank style='color:#2F92EE;'>#Eng#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6785, encryptionId=57406e8506, topicName=Eng)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3516494, createdName=spoonycyy, createdTime=Tue Aug 18 01:13:52 CST 2020, time=2020-08-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1610612, encodeId=b7c5161061247, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Sun Aug 02 02:13:52 CST 2020, time=2020-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035370, encodeId=afd310353e0c8, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Fri Jul 31 14:13:52 CST 2020, time=2020-07-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=805367, encodeId=f20380536e0c, content=<a href='/topic/show?id=65b05806579' target=_blank style='color:#2F92EE;'>#新冠病毒#</a>自我检测也一样有效。, beContent=null, objectType=article, channel=null, level=null, likeNumber=142, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58065, encryptionId=65b05806579, topicName=新冠病毒)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Fri Jul 31 13:45:07 CST 2020, time=2020-07-31, status=1, ipAttribution=)]
    2020-07-31 lovetcm

    #新冠病毒#自我检测也一样有效。

    0

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研究通过在年老的小鼠的呼吸道中进行连续传代来适应SARS-CoV-2的临床分离株。在第6代产生的适应小鼠的品系在小鼠肺中显示出增加的感染性,并在鼻内接种后在年幼和老年小鼠中引起间质性肺炎和炎症反应。