CMAJ:颠覆常识,降雪可能危害心血管健康?

2017-03-24 心脑血管病防治 心脑血管病防治

俗话说“瑞雪兆丰年”,可在2017年2月13日在线发表于《CMAJ》杂志的一项研究中却显示,降雪量与降雪时间均与降雪后因心肌梗死的入院率或死亡率相关。



俗话说“瑞雪兆丰年”,可在2017年2月13日在线发表于《CMAJ》杂志的一项研究中却显示,降雪量与降雪时间均与降雪后因心肌梗死的入院率或死亡率相关。

心肌梗死(MI)是发病和死亡的主要原因。仅2013年,缺血性心脏病就导致600万人致残和800万人死亡。但预防MI仍存在挑战,部分原因是已知的危险因素仅能解释小部分病例。高龄、吸烟和糖尿病等因素已经明确,但环境风险因素包括天气的影响并没有很好地阐述。暴雪可能会增加MI的风险,有证据表明与降雪有关的劳动包括铲雪,可能会使易感个体的血管系统过度紧张。但是,尚未有降雪和MI之间关系的确凿证据。

研究者使用20多年间加拿大魁北克省个体的环境和健康管理数据,采用病例交叉研究设计,分析降雪量和降雪时间与MI入院或死亡的关系。主要暴露因素是自然日的降雪量(cm)和降雪时间(h)。计算日降雪量与MI之间关系的比值比(OR)和95%置信区间(CI),并根据日最低温度进行校正。

结果显示:共有128073例MI入院和68155例死亡病例纳入分析。与0cm相比,降雪20cm后男性患者的MI入院(OR 1.16;95%CI 1.11~1.21)和死亡(OR 1.34;95%CI 1.26~1.42)风险增加,但该现象在女性患者中并不明显。

与0h相比,降雪24h后男性患者的MI入院(OR 1.08;95%CI 1.03~1.13)和死亡(OR 1.12;95%CI 1.05~1.20)风险增加,但该现象在女性患者也不明显。

研究者对魁北克省将近20万例MI事件的分析发现,降雪量和降雪时间与MI入院或死亡风险增加相关。在男性患者中观察到有这种关系,但在女性中没有,并且在降雪后次日最为明显。无论年龄、血管共患病或心血管危险因素如何,其风险均是升高的。

此研究结果对不同降雪水平的地区的普遍性仍有待观察。

该研究结论指出,降雪量和降雪时间可能与男性MI入院或死亡风险相关。这些数据对有暴风雪地区的公共卫生倡议有一定影响。临床医生和公共卫生人员应该考虑在冬季之前开展宣传运动,以便在降雪后告知患者MI的风险,并可能对高危患者提出相关建议。

原始出处:

Auger N, et al. Association between quantity and duration of snowfall and risk of myocardial infarction. CMAJ. 2017 Feb 13;189(6):E235-E242. doi: 10.1503/cmaj.161064.

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    2017-03-24 1ddf0692m34(暂无匿称)

    好奇怪的研究

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=182456, encodeId=10d018245665, content=好奇怪的研究, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Fri Mar 24 18:07:21 CST 2017, time=2017-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=182437, encodeId=8f1918243efa, content=学习了,谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEJicFGXtYqfjGiaibNdjOiaRgkexnXiciaDeXaLiaKicovcicDugdYwRPSnQj3FlfXBwVLB5ANB9PGFyB0kraQ/0, createdBy=35b01663265, createdName=1ddf3e1dm99(暂无匿称), createdTime=Fri Mar 24 15:32:20 CST 2017, time=2017-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=182425, encodeId=a99c18242512, content=很好的学习资料,感谢了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161026/IMG58107C0F82E499574.jpg, createdBy=00e81970035, createdName=1e15b6fem30(暂无匿称), createdTime=Fri Mar 24 13:26:37 CST 2017, time=2017-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=182416, encodeId=a64f1824167a, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKfcA3xZnott5TnvcnGrdO58uy0RP4NgPa0Qz8FibHlolypPLEmmcGicSPMJVWQKbRkAY8UVZlFRtGw/132, createdBy=c67f2030047, createdName=喜婷, createdTime=Fri Mar 24 13:11:06 CST 2017, time=2017-03-24, status=1, ipAttribution=)]
    2017-03-24 1ddf3e1dm99(暂无匿称)

    学习了,谢谢

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    2017-03-24 1e15b6fem30(暂无匿称)

    很好的学习资料,感谢了。

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=182456, encodeId=10d018245665, content=好奇怪的研究, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Fri Mar 24 18:07:21 CST 2017, time=2017-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=182437, encodeId=8f1918243efa, content=学习了,谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEJicFGXtYqfjGiaibNdjOiaRgkexnXiciaDeXaLiaKicovcicDugdYwRPSnQj3FlfXBwVLB5ANB9PGFyB0kraQ/0, createdBy=35b01663265, createdName=1ddf3e1dm99(暂无匿称), createdTime=Fri Mar 24 15:32:20 CST 2017, time=2017-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=182425, encodeId=a99c18242512, content=很好的学习资料,感谢了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161026/IMG58107C0F82E499574.jpg, createdBy=00e81970035, createdName=1e15b6fem30(暂无匿称), createdTime=Fri Mar 24 13:26:37 CST 2017, time=2017-03-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=182416, encodeId=a64f1824167a, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKfcA3xZnott5TnvcnGrdO58uy0RP4NgPa0Qz8FibHlolypPLEmmcGicSPMJVWQKbRkAY8UVZlFRtGw/132, createdBy=c67f2030047, createdName=喜婷, createdTime=Fri Mar 24 13:11:06 CST 2017, time=2017-03-24, status=1, ipAttribution=)]
    2017-03-24 喜婷

    学习了

    0

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