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JAHA:T波形态恢复预测慢性心力衰竭患者心源性猝死!

2017-05-20 xing.T MedSci原创

这项研究表明慢性心力衰竭患者人群中TMR与SCD相关,它是一个比临床和心电图衍生变量更好的预测因子。

慢性心力衰竭患者是心源性猝死(SCD)的高险人群。增加复极离散度已被证实与SCD相关,研究人员推测这应该通过T波的形态及其心率变化来反映。近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,该研究的目的是提出一个以心电图(ECG)为基础的指数表征T波形态恢复(TMR),并评估其与慢性心脏衰竭患者人群SCD风险之间的相关性。

研究人员对来自于MUSIC研究的651例接受Holter ECGs检查的慢性心力衰竭患者进行分析研究。TMR是通过使用时间-翘曲度量来测量每RR增量的T波形态变化来进行量化,并且与临床变量,如左心室射血分数和其他心电图-衍生指数,如T波电交替、心率变异性,来比较其预测能力。

研究人员发现在SCD患者中TMR明显高于其他患者(中位数为0.046 vs. 0.039,P<0.001)。当对TMR根据TMR=0.040进行二分类,TMR≥0.040组患者SCD发生率明显升高(P<0.001)。Cox分析显示,TMR≥0.040与SCD密切相关,风险比为3.27(P<0.001),独立于临床和心电图衍生变量。TMR与泵衰竭死亡之间无相关性。

这项研究表明慢性心力衰竭患者人群中TMR与SCD相关,它是一个比临床和心电图衍生变量更好的预测因子。

原始出处:


Julia Ramírez, et al. T‐Wave Morphology Restitution Predicts Sudden Cardiac Death in Patients With Chronic Heart Failure.JAHA.2017. https://doi.org/10.1161/JAHA.116.005310

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    2017-05-22 zhaohui6731
  3. [GetPortalCommentsPageByObjectIdResponse(id=1251782, encodeId=ebbe1251e82ff, content=<a href='/topic/show?id=ac5d5351ea8' target=_blank style='color:#2F92EE;'>#慢性心力衰竭#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53517, encryptionId=ac5d5351ea8, topicName=慢性心力衰竭)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=395f25, createdName=bioon1, createdTime=Mon May 22 06:24:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1267446, encodeId=aa82126e44665, content=<a href='/topic/show?id=922f21183d' target=_blank style='color:#2F92EE;'>#AHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2118, encryptionId=922f21183d, topicName=AHA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bf3d82, createdName=zhaohui6731, createdTime=Mon May 22 06:24:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1593440, encodeId=768d1593440c6, content=<a href='/topic/show?id=9850510e9a3' target=_blank style='color:#2F92EE;'>#心源性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=51079, encryptionId=9850510e9a3, topicName=心源性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=955718147815, createdName=mhm295, createdTime=Mon May 22 06:24:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200698, encodeId=50fe20069826, content=学习,提高自己, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/09/21/39b6a0099eb602e8ac1f7e10d5d440a9.jpg, createdBy=dee01724555, createdName=杨利洪, createdTime=Sun May 21 07:31:59 CST 2017, time=2017-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200479, encodeId=0e3b2004e96e, content=这项研究表明慢性心力衰竭患者人群中TMR与SCD相关,它是一个比临床和心电图衍生变量更好的预测因子。, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Sat May 20 16:32:13 CST 2017, time=2017-05-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200458, encodeId=bd7420045854, content=马拉松患者可能有用!, beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=118f1734484, createdName=1def5ef1m18(暂无匿称), createdTime=Sat May 20 15:33:20 CST 2017, time=2017-05-20, status=1, ipAttribution=)]
    2017-05-22 mhm295
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    2017-05-21 杨利洪

    学习,提高自己

    0

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    2017-05-20 有备才能无患

    这项研究表明慢性心力衰竭患者人群中TMR与SCD相关,它是一个比临床和心电图衍生变量更好的预测因子。

    0

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    2017-05-20 1def5ef1m18(暂无匿称)

    马拉松患者可能有用!

    0

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