健康|糖尿病患者需注意气温高低,谨防心梗! 老年肝硬化者,需警惕髋部骨折!

2018-08-06 文韬 牛艳红 秦苗 医师报

气温过高过低 糖尿病患者谨防心梗 一项香港中文大学的研究发现,与非糖尿病者相比,糖尿病患者在气温过高或过度时更易发生急性心梗。(PLoS Med. 2018,15:e1002612)


气温过高过低 糖尿病患者谨防心梗

一项香港中文大学的研究发现,与非糖尿病者相比,糖尿病患者在气温过高或过度时更易发生急性心梗。(PLoS Med. 2018,15:e1002612)

研究显示,在炎热季节,急性心梗入院率与气温呈现U型关系,气温为28.8℃时风险最低。气温为30.4℃时的急性心梗风险增加14%;气温升高至32℃时风险会升高50%以上。与气温升高相关的急性心梗风险上升持续约4 d。在非糖尿病者中,气温升高与急性心梗入院没有显著关系。

在寒冷季节,糖尿病患者的急性心梗入院风险随着气温降低呈线性急剧上升,与气温24℃时相比,气温为12℃时风险升高1.1倍;非糖尿病者的这一风险从气温降至24℃以下时开始增加增趋势更加缓和(累计RR=1.43)。与气温下降相关的急性心梗风险持续约22 d。

研究者建议,糖尿病患者尽可能避免接触温度极端的环境。

研究纳入香港2002-2011年入院的53 769例急性心梗患者,结合香港天文台气温记录进行了分析。

吸烟越多 房颤风险越大

欧洲学者研究发现,吸烟与房颤风险之间存线性剂量反应关系,每天多吸10支烟,房颤风险就增加14%。(Eur J Prev Cardiol. 7月11日在线版)

与不吸烟者相比,每天吸5支、10支、15支、20支、25支和29支烟者房颤风险分别增加9%、17%、25%、32%、39%和45%。

与从未吸烟者相比,当前吸烟者的房颤风险增加32%,而曾经吸烟者(包括现在和既往吸烟)风险增加21%,既往吸烟者风险增加9%。这为剂量反应关系提供了进一步证据。

“如果你吸烟,请戒烟;如果你不吸烟,永远不要吸烟。”研究者说,“我们发现吸烟者的房颤风险增加,但戒烟者的房颤风险显著降低。”

这项Meta分析纳入29项前瞻性研究,在677 785例受试者中共有39 282例发生房颤。

老年肝硬化者  需警惕髋部骨折

近日,我国台湾研究者的一项研究结果显示,老年肝硬化患者的髋部骨折风险增加,且风险在肝硬化诊断后持续存在。(J Hepatol.7月3日在线版)

该项基于人群的队列研究纳入2000-2012年间新确诊的肝硬化老年患者(≥65岁)作为肝硬化组,研究随访至受试者发生髋部骨折或至2013年末。

结果显示,肝硬化组髋部骨折的总发病率比非肝硬化组高1.45倍(95%CI 1.33~1.58)。亚组分析显示,酒精性肝硬化组和其他肝硬化组的髋部骨折的发病率高于非肝硬化组(95%CI 1.28~1.53),但是胆汁性肝硬化组的髋部骨折发病率低于非肝硬化组,差异无统计学意义。

根据性别和年龄分层,肝硬化组的髋部骨折发病率均高于非肝硬化组。两组中女性的髋部骨折发病率均较高。两组髋部骨折的发病率均随年龄增长而增加,其中年龄≥85岁的肝硬化患者的发病率最高。

与非肝硬化个体相比,酒精性肝硬化或其他肝硬化老年患者的髋部骨折的发病率更高。研究也揭示,肝硬化可能与骨质疏松症相关,且骨质减少程度取决于肝硬化的严重程度。

基于此,老年人肝硬化患者的髋部骨折风险增加,且风险持续存在,建议针对老年高危人群实施预防跌倒措施。   

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    2018-08-08 liuquan
  2. [GetPortalCommentsPageByObjectIdResponse(id=1408489, encodeId=0d78140848978, content=<a href='/topic/show?id=92021020e814' target=_blank style='color:#2F92EE;'>#髋部#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102078, encryptionId=92021020e814, topicName=髋部)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=293f2750231, createdName=liuquan, createdTime=Wed Aug 08 11:18:00 CST 2018, time=2018-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1474561, encodeId=7bdf14e456120, content=<a href='/topic/show?id=935fe6718e3' target=_blank style='color:#2F92EE;'>#糖尿病患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76718, encryptionId=935fe6718e3, topicName=糖尿病患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a38f7243741, createdName=xue8604, createdTime=Wed Aug 08 11:18:00 CST 2018, time=2018-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=336988, encodeId=a7cc336988d7, content=学习了,有用的研究, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=73441710184, createdName=明崖, createdTime=Tue Aug 07 07:43:11 CST 2018, time=2018-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1041761, encodeId=34e61041e6162, content=谢谢MedSci提供最新的资讯, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Mon Aug 06 23:18:00 CST 2018, time=2018-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046325, encodeId=494d10463251b, content=谢谢!最新的信息读起来就是收获大, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=guging, createdTime=Mon Aug 06 23:18:00 CST 2018, time=2018-08-06, status=1, ipAttribution=)]
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    2018-08-07 明崖

    学习了,有用的研究

    0

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    2018-08-06 misszhang

    谢谢MedSci提供最新的资讯

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1408489, encodeId=0d78140848978, content=<a href='/topic/show?id=92021020e814' target=_blank style='color:#2F92EE;'>#髋部#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102078, encryptionId=92021020e814, topicName=髋部)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=293f2750231, createdName=liuquan, createdTime=Wed Aug 08 11:18:00 CST 2018, time=2018-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1474561, encodeId=7bdf14e456120, content=<a href='/topic/show?id=935fe6718e3' target=_blank style='color:#2F92EE;'>#糖尿病患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76718, encryptionId=935fe6718e3, topicName=糖尿病患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a38f7243741, createdName=xue8604, createdTime=Wed Aug 08 11:18:00 CST 2018, time=2018-08-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=336988, encodeId=a7cc336988d7, content=学习了,有用的研究, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=73441710184, createdName=明崖, createdTime=Tue Aug 07 07:43:11 CST 2018, time=2018-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1041761, encodeId=34e61041e6162, content=谢谢MedSci提供最新的资讯, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Mon Aug 06 23:18:00 CST 2018, time=2018-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046325, encodeId=494d10463251b, content=谢谢!最新的信息读起来就是收获大, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=guging, createdTime=Mon Aug 06 23:18:00 CST 2018, time=2018-08-06, status=1, ipAttribution=)]
    2018-08-06 guging

    谢谢!最新的信息读起来就是收获大

    0

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