孙英贤等研究提示:血尿酸高的男士猝死风险增加,因其QTc延长

2016-12-19 卢芳 “中国循环杂志”

延长的心率校正后QT(QTc)间期是一个预测心脏猝死和心血管病死亡的重要因子。近期中国医科大学附属第一医院孙英贤等研究发现,血尿酸水平高的男性,其QTc间期延长风险增加1.4倍。换而言之,这部分人群猝死风险增高。 研究显示,随着血尿酸四分位水平的升高,不论男女其QTc间期逐渐延长。在血尿酸水平最高的四分位,在男性延长QTc间期患病率为14.8%,在女性为17.1%;而在最低四分位时,延长

延长的心率校正后QTQTc)间期是一个预测心脏猝死和心血管病死亡的重要因子。近期中国医科大学附属第一医院孙英贤等研究发现,血尿酸水平高的男性,其QTc间期延长风险增加1.4倍。换而言之,这部分人群猝死风险增高。

 

研究显示,随着血尿酸四分位水平的升高,不论男女其QTc间期逐渐延长。在血尿酸水平最高的四分位,在男性延长QTc间期患病率为14.8%,在女性为17.1%;而在最低四分位时,延长QTc间期患病率在男性为11.2%,女性为13.5%



注:四分位数在男性分别为276276~323323~379,>379 μmol/L;在女性分别为209209~247247~294,>294 μmol/L


1 不同四分位血尿酸水平男女延长的心率校正后QT间期分布状况

 

研究者发现,不论男女,伴有延长的QTc间期者,多年纪大,且多伴有更差的心脏代谢等相关指标;而且有心脏病史且正在用药者比例也较高;在女性则多有吸烟嗜好。

 

在校正多因素后,研究显示,唯有男性最高四分位水平血尿酸水平(>379 μmol /L)较最低四分位水平(≤276 μmol/L)可增加1.402倍延长QTc间期的风险。而在女性无显著相关性。

 

研究者推测,当血尿酸水平达到一定水平会促发炎性反应,由此进一步使得QTc间期延长;此外血尿酸参与氧化应激也是推手。

 

该研究共纳入辽宁农村地区1120635岁以上受试者,男性为5104人,平均QTc间期为(422.1±24.2ms;女性为6102人,平均QTc间期为(436.1±23.5ms。延长的QTc间期在男性定义为≥450 ms,在女性≥460 ms


原始出处:


Guo X, Li Z, Liu Y, et al. Sex-specific association between serum uric acid and prolonged corrected QT interval: Result from a general rural Chinese population. Medicine (Baltimore), 2016

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    2016-12-21 quxin068
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    2016-12-20 1de9965am30(暂无匿称)

    学习了 谢谢小编

    0

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    2016-12-19 thlabcde

    是真的吗?!

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1344413, encodeId=54a6134441338, content=<a href='/topic/show?id=9437890692b' target=_blank style='color:#2F92EE;'>#血尿酸#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=89069, encryptionId=9437890692b, topicName=血尿酸)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=96f62500201, createdName=12498e67m28暂无昵称, createdTime=Wed Dec 21 02:50:00 CST 2016, time=2016-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1446937, encodeId=d71b144693ef8, content=<a href='/topic/show?id=259d8906e50' target=_blank style='color:#2F92EE;'>#血尿#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=89067, encryptionId=259d8906e50, topicName=血尿)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Wed Dec 21 02:50:00 CST 2016, time=2016-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1542913, encodeId=1769154291323, content=<a href='/topic/show?id=a93d681e1ff' target=_blank style='color:#2F92EE;'>#猝死风险#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68171, encryptionId=a93d681e1ff, topicName=猝死风险)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=921913505832, createdName=ms3323097325231039, createdTime=Wed Dec 21 02:50:00 CST 2016, time=2016-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=164291, encodeId=4fcc1642910b, content=学习了 谢谢小编, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuKQeCNia60Gn9bYLZN2VHzXaxJcUpNAgicub7tEUhicKUXZ0hdicaNhQMbiaMKzmRSHFKYxs8H5UrcARp/0, createdBy=e9751708459, createdName=1de9965am30(暂无匿称), createdTime=Tue Dec 20 09:18:27 CST 2016, time=2016-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=164086, encodeId=f50f1640860c, content=是真的吗?!, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Mon Dec 19 13:53:22 CST 2016, time=2016-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=164054, encodeId=f86516405460, content=哦!原来是这样, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161128/IMG583C2801690655672.jpg, createdBy=8d5d1986050, createdName=为了宝宝, createdTime=Mon Dec 19 12:29:20 CST 2016, time=2016-12-19, status=1, ipAttribution=)]
    2016-12-19 为了宝宝

    哦!原来是这样

    0

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