J Bone Miner Res:不同B族维生素干预 髋关节骨折风险有差异

2017-11-20 常路 环球医学

观察性研究显示,血浆同型半胱氨酸水平的增加与骨折风险的增加相关。然而,降低同型半胱氨酸的治疗是否会影响骨折风险是未知的。2017年10月,发表在《J Bone Miner Res.》的一项研究旨在利用两项大型随机对照试验的组合数据的二次分析,调查B族维生素干预对髋关节骨折风险的影响,这两项大型RCT的原始设计为研究心血管疾病。

观察性研究显示,血浆同型半胱氨酸水平的增加与骨折风险的增加相关。然而,降低同型半胱氨酸的治疗是否会影响骨折风险是未知的。2017年10月,发表在《J Bone Miner Res.》的一项研究旨在利用两项大型随机对照试验的组合数据的二次分析,调查B族维生素干预对髋关节骨折风险的影响,这两项大型RCT的原始设计为研究心血管疾病。

两项试验都具有相同的设计、干预和首要目的。基于2×2析因设计,干预由每天以下胶囊组成:叶酸(0.8mg)+维生素B12(0.4mg)+维生素B6(40mg),叶酸(0.8mg)+维生素B12(0.4mg),维生素B6单独使用(40mg),安慰剂。参与者在试验期间或延期随访期间(从试验开始到2012年末)跟踪了髋关节骨折情况。叶酸+维生素B12和髋关节骨折风险之间无统计学显着相关性,无论是试验期间(中位3.3年,HR,0.87;95% CI,0.48~1.59)还是延期随访期(中位11.1年,HR,1.08;95% CI,0.84~1.40)。试验期间,接受vs不接受维生素B6的组间,髋关节骨折风险也无显着性差异(HR,1.42;95% CI,0.78~2.61)。但是,延期随访期间,接受维生素B6的患者与不接受维生素B6的患者相比,髋关节骨折风险显着性增加了42%(HR,1.42;95% CI,1.09~1.83)。

总之,叶酸+维生素B12治疗与髋关节骨折风险不相关。高剂量维生素B6治疗与延期随访期间(试验+试验后随访)髋关节骨折风险轻微增加相关。

原始出处:

Garcia Lopez M, B?naa KH, Ebbing M, et al. B Vitamins and Hip Fracture: Secondary Analyses and Extended Follow-Up of Two Large Randomized Controlled Trials. J Bone Miner Res. 2017 Oct;32(10):1981-1989. doi: 10.1002/jbmr.3189. Epub 2017 Jun 28.

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    2018-01-19 apoenzyme
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    2017-11-23 大爰

    学习并分享!!

    0

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  4. [GetPortalCommentsPageByObjectIdResponse(id=1915167, encodeId=2292191516e67, content=<a href='/topic/show?id=05343619cf' target=_blank style='color:#2F92EE;'>#Bone#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3619, encryptionId=05343619cf, topicName=Bone)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7dc7399, createdName=apoenzyme, createdTime=Fri Jan 19 22:26:00 CST 2018, time=2018-01-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=263656, encodeId=2d65263656ae, content=学习并分享!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200816/e4675a86ea694f12b82202b320dc2654/12f6b900498349e994ce8f516a584d6a.jpg, createdBy=09431951290, createdName=大爰, createdTime=Thu Nov 23 15:53:41 CST 2017, time=2017-11-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1390375, encodeId=d14c13903e5c4, 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=29, 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=Wed Nov 22 05:26:00 CST 2017, time=2017-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1605339, encodeId=18ba16053396b, content=<a href='/topic/show?id=81103828b7' target=_blank style='color:#2F92EE;'>#B族维生素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3828, encryptionId=81103828b7, topicName=B族维生素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=497b19379272, createdName=ms1692212821629096, createdTime=Wed Nov 22 05:26:00 CST 2017, time=2017-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=262868, encodeId=53c726286882, content=观察性研究显示.血浆同型半胱氨酸水平的增加与骨折风险的增加相关.然而.降低同型半胱氨酸的治疗是否会影响骨折风险是未知的.2017年10月.发表在<JBoneMinerRes.>的一项研究旨在利用两项大型随机对照试验的组合数据的二次分析.调查B族维生素干预对髋关节骨折风险的影响.这两项大型RCT的原始设计为研究心血管疾病., beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Mon Nov 20 15:50:49 CST 2017, time=2017-11-20, status=1, ipAttribution=)]
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    2017-11-20 有备才能无患

    观察性研究显示.血浆同型半胱氨酸水平的增加与骨折风险的增加相关.然而.降低同型半胱氨酸的治疗是否会影响骨折风险是未知的.2017年10月.发表在的一项研究旨在利用两项大型随机对照试验的组合数据的二次分析.调查B族维生素干预对髋关节骨折风险的影响.这两项大型RCT的原始设计为研究心血管疾病.

    0

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