Crit Care:小小微粒竟然可以预测是否发生ARDS!

2017-05-29 MedSci MedSci原创

此前,有研究表明,急性呼吸窘迫综合征(ARDS)患者的微粒(MP)浓度升高与凝血活化有关。体外研究表明MPs有助于急性肺损伤,但是ARDS患者循环中MPs的意义尚未得到充分研究。近期,一项发表在杂志Crit Care上的研究进行了一项假设,即循证MPs水平升高可以预测发展为ARDS的危重病人,并且循环MPs的水平与临床结果相关。此项研究从确诊为急性肺损伤生物标志物(VALID)队列研究中选择了28

此前,有研究表明,急性呼吸窘迫综合征(ARDS)患者的微粒(MP)浓度升高与凝血活化有关。体外研究表明MPs有助于急性肺损伤,但是ARDS患者循环中MPs的意义尚未得到充分研究。


近期,一项发表在杂志Crit Care上的研究进行了一项假设,即循证MPs水平升高可以预测发展为ARDS的危重病人,并且循环MPs的水平与临床结果相关。

此项研究从确诊为急性肺损伤生物标志物(VALID)队列研究中选择了280例乏血小板血浆的样本。通过图表审查获得人口统计学和临床数据。在重症监护病房(ICU)第2天和ICU第4天通过MP捕获法测定血浆中的MP浓度。通过血浆再钙化(凝血)次数测量凝血活化。

此项研究结果显示:在280名患者(32%)中有90名患有ARDS。升高的血浆MP浓度与降低发生ARDS的风险相关(优势比(OR)0.70,MP浓度每增加10μM;95%CI 0.50-0.98,p = 0.042),但对住院死亡率无显着影响。

与具有创伤或接受多次输血的患者相比,脓毒症、肺炎或吸引术患者的MP浓度最高。MP水平随着时间的推移没有显着变化。MP水平与ARDS发展的负相关性在败血症患者中最为显着。在控制年龄、脓毒症的存在和病情严重程度之后,较高的MP浓度与降低发生ARDS的风险(OR 0.69,95%CI 0.49-0.98,p = 0.038)独立相关。MP浓度与血浆再钙化时间降低有关。

此项研究表明:循环中MP的水平升高与危重病人发生ARDS的风险降低是独立相关的。这是否是由于MP对全身凝血的影响,值得进一步研究。

原始出处:
Shaver CM, Woods J, et al. Circulating microparticle levels are reduced in patients with ARDS. Crit Care. 2017 May 25;21(1):120. doi: 10.1186/s13054-017-1700-7.

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    2017-07-02 drwjr
  2. [GetPortalCommentsPageByObjectIdResponse(id=2040226, encodeId=3e7b204022608, content=<a href='/topic/show?id=cb0b1520365' target=_blank style='color:#2F92EE;'>#RDS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15203, encryptionId=cb0b1520365, topicName=RDS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e964, createdName=drwjr, createdTime=Sun Jul 02 12:28:00 CST 2017, time=2017-07-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=204042, encodeId=a66d204042b8, content=学习了分享了, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Mon May 29 15:03:07 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=204017, encodeId=2fad20401e25, content=签到学习了很多。, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/1103841572/A3E53E62691178E2F18D7B999FD22131/100, createdBy=f44d2003846, createdName=Chongyang Zhang, createdTime=Mon May 29 13:02:12 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203999, encodeId=4c6120399925, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Pw2csslt7CukWiabqiblnQAXaDEiaxhu025c3P0XshccTrbvGWBjKvnHIxbK3vqa80P7WGIFuicCFet97TicrNKpgB3TdabxP1vMh/0, createdBy=28851960965, createdName=榄枷檬, createdTime=Mon May 29 11:47:32 CST 2017, time=2017-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=203996, encodeId=853420399689, content=文章真好,值得拜读, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Mon May 29 11:33:27 CST 2017, time=2017-05-29, status=1, ipAttribution=)]
    2017-05-29 dhzzm

    学习了分享了

    0

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    2017-05-29 Chongyang Zhang

    签到学习了很多。

    0

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    2017-05-29 榄枷檬

    学习了

    0

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    2017-05-29 1e10c84am36(暂无匿称)

    文章真好,值得拜读

    0