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Lancet Haematol:动态监测血液和凝血参数可更准确便捷评估COVID-19患者病情和预后

2020-07-13 ZhaoLei MedSci原创

COVID-19患者的血液学特征的变化正成为该疾病的重要特征。近日,华中科技大学附属协和医院的胡宇团队对COVID-19患者的血液学特征及相关危险因素进行了研究。

     2019冠状病毒病(COVID-19)已经在全世界范围流行,给人类健康带来严重威胁。COVID-19患者的血液学特征的变化正成为该疾病的重要特征。近日,华中科技大学附属协和医院的胡宇团队对COVID-19患者的血液学特征及相关危险因素进行了研究。

    这项回顾性队列研究纳入了武汉协和医院收治的380名COVID-19患者,从电子病历中提取人口统计学数据、临床数据、实验室数据、治疗数据和结局数据,并对中重度及危重症患者进行比较,评估了与危重疾病和不良预后相关的危险因素。重点关注了中重度和危重症COVID-19患者的血液学和凝血参数,并对非幸存者的凝血变化进行了具体分析,发现非幸存者的凝血功能障碍的发生率非常高,如血栓并发症、出血等。结合中性粒细胞与淋巴细胞比值(neutrophil to lymphocyte ratio, NLR)、血小板计数、D-二聚体和凝血酶原时间等实验室指标为判断不良预后提供线索。此外,研究还使用线性混合模型分析动态血液学和凝血参数,并采用脓毒症诱导的凝血功能评分系统SIC(sepsis-induced coagulopathy)和国际血栓与止血协会公布的弥散性血管内凝血评分系统DIC(disseminated intravascular coagulation)对20名危重症患者进行动态监测和评价。

     研究发现380名COVID-19患者中,血小板减少症(血小板计数,platelet count<100×109/L的发生率在危重组中(42[49%],86)明显高于重症组(20[14%],145)和轻症组(9[6%],149),(P<0.0001);淋巴细胞计数和嗜酸性粒细胞计数则明显低于重症组和轻症组(P<0.0001)。凝血酶原时间,D-二聚体和纤维蛋白降解产物随着病情严重程度增加而明显升高(P<0.0001)。多因素分析显示,死亡与中性粒细胞与淋巴细胞比值相关(NLR≥9.13,OR:5.39 [95% CI 1.70–17.13], p=0.0042);与血小板减少症相关(platelet count<100×109/L,OR:8.33 [2.56-27.15] p=0.00045);与凝血酶原时间延长相关(>16s;OR 4.94 [1.50-16.25] p=0.0094);与D-二聚体升高相关(>2mg/L;OR:4.41 [1.06-18.30] p=0.041)。血栓和出血事件是死亡患者的常见并发症(19,[35%],55)。最后,由于缺乏部分实验室检测数据,研究仅对86名危重症患者中的20名(其中12例存活,8例死亡)的血液学及凝血指标动态监测结果进行分析,分别使用SIC 评分和DIC评分并进行比较,发现SIC评分系统可以更早地提示患者可能发生凝血功能障碍。

     研究认为凝血功能障碍是一个不可忽视的并发症,也是COVID-19危重患者重要的潜在死亡原因,有必要定期评估和筛查凝血功能相关指标。动态监测血液和凝血参数,如中性粒细胞与淋巴细胞比值(NLR)、血小板计数、D-二聚体、凝血酶原时间等,可准确、便捷地评估COVID-19患者的病情和预测患者预后。脓毒症诱导的凝血功能评分系统(SIC)可能是医生评估和管理危重病人的有效工具。

注:SIC系统是DIC科学和标准化委员会提出的,旨在识别DIC的早期阶段,有利于在临床工作当中早期识别凝血功能障碍并实施抗凝治疗。

 

原始出处:

Liao D, Zhou F, Luo L, Xu M, Wang H, Xia J, et al. Haematological characteristics and risk factors in the classification and prognosis evaluation of COVID-19: a retrospective cohort study. The Lancet Haematology. doi: 10.1016/S2352-3026(20)30217-9.

 

 

 

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    2021-02-27 changfy
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    2020-07-24 howi
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    2020-07-15 fengyi812
  6. [GetPortalCommentsPageByObjectIdResponse(id=1765117, encodeId=61a41e651177f, content=<a href='/topic/show?id=df00e086653' target=_blank style='color:#2F92EE;'>#病情#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70866, encryptionId=df00e086653, topicName=病情)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Mon Nov 16 03:04:51 CST 2020, time=2020-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2008476, encodeId=28ca20084e6d1, content=<a href='/topic/show?id=1066844469' target=_blank style='color:#2F92EE;'>#HAE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8444, encryptionId=1066844469, topicName=HAE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=32d177, createdName=changfy, createdTime=Sat Feb 27 18:04:51 CST 2021, time=2021-02-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1830737, encodeId=e3ec1830e37b7, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Fri Jul 24 16:04:51 CST 2020, time=2020-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1297462, encodeId=c2ae129e4621c, content=<a href='/topic/show?id=c0385134ab' target=_blank style='color:#2F92EE;'>#COVID-19患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5134, encryptionId=c0385134ab, topicName=COVID-19患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6976269, createdName=zhangph, createdTime=Wed Jul 15 03:04:51 CST 2020, time=2020-07-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1317576, encodeId=e99f131e5767e, content=<a href='/topic/show?id=74916e0414' target=_blank style='color:#2F92EE;'>#EMA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6704, encryptionId=74916e0414, topicName=EMA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a35a460, createdName=fengyi812, createdTime=Wed Jul 15 03:04:51 CST 2020, time=2020-07-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1033881, encodeId=b8181033881db, content=顶刊就是不一样,质量很高,内容精彩!学到很多, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=goodbing, createdTime=Mon Jul 13 15:04:51 CST 2020, time=2020-07-13, status=1, ipAttribution=)]
    2020-07-13 goodbing

    顶刊就是不一样,质量很高,内容精彩!学到很多

    0

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