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ASBMR:老年人肌肉量减少可能提示骨折风险增加

2015-10-24 seven L 译 MedSci原创

一项对65岁退休人员的大型队列研究表明,肌肉减少症会增加短期内骨质疏松性骨折风险。该研究纳入了913名健康参与者,其中80%为女性,13%为肥胖(BMI≥30),日常钙摄入量在推荐范围内。研究者通过DEXA评估参与者全身和四肢的肌肉体积情况,根据骨密度情况计算参与者的FRAX。根据Baumgartner或 EWGSOP 1 阈值,其中11%的参与者肌肉体积低于正常值;根据EWGSOP 2 阈值或I

一项对65岁退休人员的大型队列研究表明,肌肉减少症会增加短期内骨质疏松性骨折风险。该研究纳入了913名健康参与者,其中80%为女性,13%为肥胖(BMI≥30),日常钙摄入量在推荐范围内。

研究者通过DEXA评估参与者全身和四肢的肌肉体积情况,根据骨密度情况计算参与者的FRAX。根据Baumgartner或 EWGSOP 1 阈值,其中11%的参与者肌肉体积低于正常值;根据EWGSOP 2 阈值或IWG,该比例变为17%;若是根据 FNIH定义,则数据变为3.5%。

研究组观察到,肌肉减少症女性很少发生肥胖,尤其是女性,并且他们有潜在的摄入更少的蛋白质和钙的趋势。同时该人群甲状旁腺素也更少。对参与者平均随访3.4年的过程中,40名研究对象发生过脆弱或骨质疏松性骨折(不是严重创伤的骨折),包括髋部、锁骨、腿、手臂或手腕骨折,但不包括手指和脚趾骨折。

对于没有发生此类骨折的人群相比,他们全身或四肢的肌肉体积均更少:全身 41.2 vs 43.7 kg, P = 0.04;四肢 17.2 vs 18.6 kg, P = 0.02。显然肌肉体积少的人群更容易发生上述骨折。根据Baumgartner或EWGSOP 1 阈值标准,HR=2.3; 95% CI, 1.0–5.1, P = 0.05。但是根据EWGSOP 2 或IWG阈值标准,HR=1.3; 95% CI, 0.6– 2.7; P > 0.05,两者间又没有明确的相关性。根据FNIH 标准,没有发现肌肉减少症发生该类骨折。

即是说根据不同评判标准,会得出不同的相关性。并且该研究人群为65岁以上退休人员,并不能代表大众。因此以后还需要更多的研究探究肌肉功能与骨折的关系。

原始出处:

American Society for Bone and Mineral Research 2015 Annual Meeting; Seattle, Washington. October 11, 2015.

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    2016-01-27 doctording1

    实用

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=60216, encodeId=152e6021686, content=实用, beContent=null, objectType=article, channel=null, level=null, likeNumber=181, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=59121683644, createdName=doctording1, createdTime=Wed Jan 27 00:26:00 CST 2016, time=2016-01-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=60217, encodeId=e1f96021e3d, content=不错,赞一个, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=59121683644, createdName=doctording1, createdTime=Wed Jan 27 00:26:00 CST 2016, time=2016-01-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=59363, encodeId=929f5936375, content=不错的东西!, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=59121683644, createdName=doctording1, createdTime=Tue Jan 26 13:15:00 CST 2016, time=2016-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=41862, encodeId=11d04186223, content=真好, beContent=null, objectType=article, channel=null, level=null, likeNumber=133, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=75bb1617091, createdName=Bobby7868, createdTime=Thu Oct 29 11:37:00 CST 2015, time=2015-10-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1390337, encodeId=7403139033ec8, content=<a href='/topic/show?id=22c6101695c9' target=_blank style='color:#2F92EE;'>#骨折风险#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101695, encryptionId=22c6101695c9, topicName=骨折风险)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKnILSXam1GxPwj04ylEzibYLFA2eGl5Ev02klt80JA0xejMPqrn0mYHNNnLEgyqYTPbicXpY3tn6SA/132, createdBy=38fd2500059, createdName=新生儿张玉军, createdTime=Mon Oct 26 02:44:00 CST 2015, time=2015-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1585366, encodeId=d22015853668d, content=<a href='/topic/show?id=c9aa281642' target=_blank style='color:#2F92EE;'>#ASBMR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2816, encryptionId=c9aa281642, topicName=ASBMR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=80af17169636, createdName=clmlylxy, createdTime=Mon Oct 26 02:44:00 CST 2015, time=2015-10-26, status=1, ipAttribution=)]
    2016-01-27 doctording1

    不错,赞一个

    0

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    2016-01-26 doctording1

    不错的东西!

    0

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    2015-10-29 Bobby7868

    真好

    0

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    2015-10-26 clmlylxy
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