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上海学者称,冬季温度、湿度和气压急变可诱发心衰

2016-12-16 卢芳 中国循环杂志

上海市奉贤区中心医院马江伟、黄建华等研究显示,气温、空气相对湿度和气压急变会显著增加心衰急诊,日最低气温、空气干燥是其中重要因素。 研究显示,就诊前1~2天及就诊后两天的温度差、湿度差、气压差均与心衰急诊增加呈正相关,其中尤以就诊前2天的温差、气压差为著。 此外,空气颗粒污染物“贡献”也不小。研究显示,心衰急诊增加与大气PM2.5、PM10、SO2、NO2等浓度也呈正相关,其中以PM2.5最为显著

上海市奉贤区中心医院马江伟、黄建华等研究显示,气温、空气相对湿度和气压急变会显著增加心衰急诊,日最低气温、空气干燥是其中重要因素。

研究显示,就诊前1~2天及就诊后两天的温度差、湿度差、气压差均与心衰急诊增加呈正相关,其中尤以就诊前2天的温差、气压差为著。

此外,空气颗粒污染物“贡献”也不小。研究显示,心衰急诊增加与大气PM2.5、PM10、SO2、NO2等浓度也呈正相关,其中以PM2.5最为显著。

研究者解释说,气温变化会提高交感神经系统和肾素-血管紧张素系统反应性,从而增加心脏负荷。此外,低温还会导致皮肤血管收缩、血粘稠度增加、呼吸道疾病多发。

气压升高则常伴随气温下降。气压变化会引起空气氧含量变化,导致心率相应变化,诱发心衰。空气湿度较低,则易引起呼吸道感染,肺部血管阻力增高,引起心衰。

大气颗粒污染物则主要是会引起肺部炎症反应,促使血液高凝状态,心脏自主神经功能受损,引起心律失常,心脏负荷加重。

研究共纳入2012-01-01 至2014-12-31该院就诊的355例急诊抢救室心衰患者,并同期采集气象和大气污染资料进行了分析。

原始出处:


黄建华, 张琼, 马江伟, 等. 上海市奉贤区气候因素与心力衰竭患者日急诊数量的相关性分析. 中国循环杂志, 2016, 31: 989-992.

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    2016-12-17 (de84cd8m

    继续学习

    0

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    2016-12-17 (de84cd8m

    天冷了

    0

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    2016-12-16 1039415152

    这个有意思

    0

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    2016-12-16 榄枷檬

    气压变化会引起空气氧含量变化,导致心率相应变化,诱发心衰。空气湿度较低,则易引起呼吸道感染,肺部血管阻力增高,引起心衰。

    0

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    2016-12-16 yafeiliutjh

    这与想象一样

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=163464, encodeId=72821634643d, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=152, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160320/IMG56EEB6A05E7C21019.jpg, createdBy=c6e11702587, createdName=(de84cd8m, createdTime=Sat Dec 17 10:06:54 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163463, encodeId=b7cd163463f1, content=天冷了, beContent=null, objectType=article, channel=null, level=null, likeNumber=151, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160320/IMG56EEB6A05E7C21019.jpg, createdBy=c6e11702587, createdName=(de84cd8m, createdTime=Sat Dec 17 10:06:45 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163348, encodeId=2ea316334881, content=这个有意思, beContent=null, objectType=article, channel=null, level=null, likeNumber=99, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161217/IMG5854E0519E0D81311.jpg, createdBy=3ff51679470, createdName=1039415152, createdTime=Fri Dec 16 22:27:07 CST 2016, time=2016-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163329, encodeId=a8f31633294a, content=气压变化会引起空气氧含量变化,导致心率相应变化,诱发心衰。空气湿度较低,则易引起呼吸道感染,肺部血管阻力增高,引起心衰。, 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/Pw2csslt7CukWiabqiblnQAXaDEiaxhu025c3P0XshccTrbvGWBjKvnHIxbK3vqa80P7WGIFuicCFet97TicrNKpgB3TdabxP1vMh/0, createdBy=28851960965, createdName=榄枷檬, createdTime=Fri Dec 16 19:54:34 CST 2016, time=2016-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163324, encodeId=105b163324bd, content=这与想象一样, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=62d381629, createdName=yafeiliutjh, createdTime=Fri Dec 16 19:31:23 CST 2016, time=2016-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163315, encodeId=ef2e1633154f, content=天冷~注意保暖, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161224/IMG585DA5E26B9F44696.jpg, createdBy=565a98798, createdName=susice, createdTime=Fri Dec 16 18:24:02 CST 2016, time=2016-12-16, status=1, ipAttribution=)]
    2016-12-16 susice

    天冷~注意保暖

    0

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