EBioMed:改良tPERSEVERE可评估儿童感染性休克的治疗有效性

2015-11-30 MedSci MedSci原创

改良tPERSEVERE(temporal version of the pediatric sepsis biomarker risk model ,儿科败血症生物标志物风险模型的临时版本)可以基于患者感染性休克病程1-3天的生物标志物变化,评估感染性休克患儿发生并发症的风险。

背景:感染性休克具有个体异质性的特点,目前尚不清楚如何识别患者存在较高的预后较差的风险,也不清楚哪种类型的患者接受强化治疗受益更多。研究设计了一个基于生物标志物的模型,估计感染性休克患儿预后较差的风险。模型测量疾病早期生物标志物浓度的变化,评估生物标志物的变化反映预后较差的风险的效能。

tPERSEVERE(temporal version of the pediatric sepsis biomarker risk model ,儿科败血症生物标志物风险模型的临时版本)可以基于患者感染性休克病程1-3天的生物标志物变化,评估感染性休克患儿发生并发症的风险。

目的:前瞻性队列研究,验证tPERSEVERE的表现,如果tPERSEVERE表现不如预期,使用先验计划改良tPERSEVERE。

方法:测量验证队列受试者(n = 168)生物标记物,根据tPERSEVERE将研究对象分组。重新设计tPERSEVERE,联合验证队列和原始推导队列(n = 299) ,随机分配到训练组(n=374)和测试组(n=93)。改良tPERSEVERE,使用训练计划和CART方法。

结果:tPERSEVERE验证队列表现不佳,AUC为0.67(95%CI 0.58-0.75)。失效分析显示与临床特征有关的潜在的混杂因素。

改良tPERSEVERE模型评估受试者发生并发症的风险的AUC为0.83(0.79-0.87),灵敏度为93%(68-97)。在测试组受试者中也观察到相似的表现。分类树将感染性休克患者分成表现为过度的炎症或免疫抑制的2个亚型。

研究亮点:


前瞻性测试tPERSEVERE的效能。
测试队列中tPERSEVERE测试表现不佳,导致重新设计tPERSEVERE。
改良tPERSEVERE模型测试表现良好。
改良tPERSEVERE根据感染性休克亚型提供信息。

结论:改良tPERSEVERE模型有潜力作为评估儿童感染性休克的治疗有效性的监测方法,可以根据感染性休克的生物学机制提供有效信息。

原始出处:

Wong, Hector R, et al. Prospective Testing and Redesign of a Temporal Biomarker Based Risk Model for Patients With Septic Shock: Implications for Septic Shock.EBioMedicine. Published Online November 26,2015.

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    2016-04-08 linagood
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    2015-12-22 仁者大医
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    2016-06-18 sunylz
  5. [GetPortalCommentsPageByObjectIdResponse(id=1997075, encodeId=38b1199e07584, content=<a href='/topic/show?id=9221645e6f' target=_blank style='color:#2F92EE;'>#EBI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6457, encryptionId=9221645e6f, topicName=EBI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Fri Apr 08 21:52:00 CST 2016, time=2016-04-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1655343, encodeId=2a8a16553439e, content=<a href='/topic/show?id=7c2853311ac' target=_blank style='color:#2F92EE;'>#感染性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53311, encryptionId=7c2853311ac, topicName=感染性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=583d24724321, createdName=charl1234575, createdTime=Tue May 03 00:52:00 CST 2016, time=2016-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1878136, encodeId=a4be18e81364c, content=<a href='/topic/show?id=c157696175' target=_blank style='color:#2F92EE;'>#ERS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6961, encryptionId=c157696175, topicName=ERS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Tue Dec 22 07:52:00 CST 2015, time=2015-12-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917225, encodeId=ae6c191e225a2, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Sat Jun 18 13:52:00 CST 2016, time=2016-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1725949, encodeId=f7581e2594907, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Mon Feb 01 08:52:00 CST 2016, time=2016-02-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=54704, encodeId=bd3d54e0451, content=好东西,值得分享,学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69b61619007, createdName=andruhn, createdTime=Fri Jan 08 20:06:00 CST 2016, time=2016-01-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1605196, encodeId=f09f160519631, content=<a href='/topic/show?id=39b61618258' target=_blank style='color:#2F92EE;'>#severe#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16182, encryptionId=39b61618258, topicName=severe)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f1319331237, createdName=751943081_32627955, createdTime=Wed Dec 02 11:52:00 CST 2015, time=2015-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1606741, encodeId=7e951606e419c, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, 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=Wed Dec 02 11:52:00 CST 2015, time=2015-12-02, status=1, ipAttribution=)]
    2016-02-01 智智灵药
  6. [GetPortalCommentsPageByObjectIdResponse(id=1997075, encodeId=38b1199e07584, content=<a href='/topic/show?id=9221645e6f' target=_blank style='color:#2F92EE;'>#EBI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6457, encryptionId=9221645e6f, topicName=EBI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Fri Apr 08 21:52:00 CST 2016, time=2016-04-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1655343, encodeId=2a8a16553439e, content=<a href='/topic/show?id=7c2853311ac' target=_blank style='color:#2F92EE;'>#感染性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53311, encryptionId=7c2853311ac, topicName=感染性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=583d24724321, createdName=charl1234575, createdTime=Tue May 03 00:52:00 CST 2016, time=2016-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1878136, encodeId=a4be18e81364c, content=<a href='/topic/show?id=c157696175' target=_blank style='color:#2F92EE;'>#ERS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6961, encryptionId=c157696175, topicName=ERS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Tue Dec 22 07:52:00 CST 2015, time=2015-12-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917225, encodeId=ae6c191e225a2, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Sat Jun 18 13:52:00 CST 2016, time=2016-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1725949, encodeId=f7581e2594907, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Mon Feb 01 08:52:00 CST 2016, time=2016-02-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=54704, encodeId=bd3d54e0451, content=好东西,值得分享,学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69b61619007, createdName=andruhn, createdTime=Fri Jan 08 20:06:00 CST 2016, time=2016-01-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1605196, encodeId=f09f160519631, content=<a href='/topic/show?id=39b61618258' target=_blank style='color:#2F92EE;'>#severe#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16182, encryptionId=39b61618258, topicName=severe)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f1319331237, createdName=751943081_32627955, createdTime=Wed Dec 02 11:52:00 CST 2015, time=2015-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1606741, encodeId=7e951606e419c, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, 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=Wed Dec 02 11:52:00 CST 2015, time=2015-12-02, status=1, ipAttribution=)]
    2016-01-08 andruhn

    好东西,值得分享,学习了!

    0

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  8. [GetPortalCommentsPageByObjectIdResponse(id=1997075, encodeId=38b1199e07584, content=<a href='/topic/show?id=9221645e6f' target=_blank style='color:#2F92EE;'>#EBI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6457, encryptionId=9221645e6f, topicName=EBI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Fri Apr 08 21:52:00 CST 2016, time=2016-04-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1655343, encodeId=2a8a16553439e, content=<a href='/topic/show?id=7c2853311ac' target=_blank style='color:#2F92EE;'>#感染性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53311, encryptionId=7c2853311ac, topicName=感染性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=583d24724321, createdName=charl1234575, createdTime=Tue May 03 00:52:00 CST 2016, time=2016-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1878136, encodeId=a4be18e81364c, content=<a href='/topic/show?id=c157696175' target=_blank style='color:#2F92EE;'>#ERS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6961, encryptionId=c157696175, topicName=ERS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Tue Dec 22 07:52:00 CST 2015, time=2015-12-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917225, encodeId=ae6c191e225a2, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Sat Jun 18 13:52:00 CST 2016, time=2016-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1725949, encodeId=f7581e2594907, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Mon Feb 01 08:52:00 CST 2016, time=2016-02-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=54704, encodeId=bd3d54e0451, content=好东西,值得分享,学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69b61619007, createdName=andruhn, createdTime=Fri Jan 08 20:06:00 CST 2016, time=2016-01-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1605196, encodeId=f09f160519631, content=<a href='/topic/show?id=39b61618258' target=_blank style='color:#2F92EE;'>#severe#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16182, encryptionId=39b61618258, topicName=severe)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f1319331237, createdName=751943081_32627955, createdTime=Wed Dec 02 11:52:00 CST 2015, time=2015-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1606741, encodeId=7e951606e419c, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, 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=Wed Dec 02 11:52:00 CST 2015, time=2015-12-02, status=1, ipAttribution=)]

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文/鲁肃(作者为危重病医学博士) 近日,浙江杭州的一位两岁半幼儿在住院治疗后离世,家长发帖怀疑院方诊治、抢救等方面存在问题。院方则回应建议通过医学鉴定明确责任。暂时抛开这一病例中的纷争,我注意到患儿在入院及后续诊断中都有“败血症(脓毒症)”这一诊断。遗憾的是,这种对小儿、老年及免疫功能下降者十分严重的致命疾病,却很少为人所知。 乍听之下,脓毒症(sepsis)这个疾病的名称真的

Crit Care Med:感染性休克患者再次入院常见原因分析

目标:感染性休克患者会导致长期患病率和死亡率的增加,然而,很少人知道出院后的幸存者实施院内急救护理的相关情况。这项研究的目的在于探究出院后30天内再送入急诊科和入院的患者的频率、时间、原因和相关风险因素。设计:该研究为回顾性队列研究,且不实施任何干预措施。地点:实验在美国三家学术性医院进行。参与人员:参与人员为2007-2010年间感染性休克的患者(患者血清乳酸脱氢酶浓度大于等于4 mmol/L

JAMA:重症感染及感染性休克死亡率下降

重症感染和感染性休克是重症监护病房(ICU)危重患者死亡的主要原因。 过去20年中,多个随机对照临床试验(RCT)试图找出新的治疗方法,以提高危重患者的生存率。目前对于降低重症感染和感染性休克患者死亡率诊疗方法的研究进展情况尚不得而知。【原文下载】3月18日,JAMA在线发表了一项来自澳大利亚及新西兰重症医学研究中心的长期趋势研究结果,显示在2000-2012年,澳大利亚和新西兰的重症感染以及有/

Medscape:血压治疗指标不一定适用于感染性休克

在医学院里学习了自动调节曲线确定血压(BP)和器官灌注的关系。血压是不固定的,其与阻力有关,而阻力与血管的直径有关。 在一定范围内的血压,器官灌注量是足够的。而该范围随器官和病人的因素而变化,例如年龄和合并症。当血管收缩使血压升高超过该范围,血流的阻力增加(由于直径的减小),器官灌注量无法保持。同样的,当血管舒张使血压下降超过该范围时,血流的驱动压力下降,器官的灌注量再次受损。 重症医学会的《

Medpage:新证据显示感染性休克指南需要修订

3月份,研究人员公布了他们期待已久的早期目标导向治疗的研究结果。一些急诊医师表示,新的研究结果清楚地表明,治疗感染性休克的指南应该修订了。 该试验的名称为早期感染性休克临床治疗(ProCESS)试验。该试验发现在常规治疗感染性休克的过程中植入中心静脉导管测量静脉血气和氧饱和度并没有带来什么好处。 研究数据表明中心静脉导管[CVC]使用与否并不影响临床结局。该试验的主要作者之一唐纳德博士表示