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AIM:骨密度的变化可以作为治疗相关的抗骨折效果的指标

2016-07-19 崔倩 译 MedSci原创

在临床实践中骨密度(BMD)的变化是否是抗骨折效果的准确指标还是未知的。该研究的目的是评估重复BMD测试作为治疗相关减少骨折风险的指标。该基于注册表的队列研究在加拿大马尼托巴进行。该研究的参与者为6629名40岁及以上的女性,开始治疗骨质疏松症,并用2个连续的双能量X射线骨密度进行扫描(平均间隔,4.5年)。第一次和第二次双能量X射线吸收扫描之间可将BMD变化分类为稳定,可检测的下降,或可检测的增

在临床实践中骨密度(BMD)的变化是否是抗骨折效果的准确指标还是未知的。

该研究的目的是评估重复BMD测试作为治疗相关减少骨折风险的指标。

该基于注册表的队列研究在加拿大马尼托巴进行。

该研究的参与者为6629名40岁及以上的女性,开始治疗骨质疏松症,并用2个连续的双能量X射线骨密度进行扫描(平均间隔,4.5年)。

第一次和第二次双能量X射线吸收扫描之间可将BMD变化分类为稳定,可检测的下降,或可检测的增加。骨折事件由医疗服务的数据确定。

在平均9.2年中,910(13.7%)名女性发生骨折事件,其中包括198例髋部骨折。调整基线骨折几率后,在全髋关节BMD检测到的降低与稳定的BMD相比,在5年和10年的任何骨折累积发生率绝对增加分别为2.9%(95%CI,1.5%至4.4%)和5.5%(CI,2.8%至8.1%)。相反,在全髋关节BMD检测增加的女性中,在5年和10年时任何骨折的风险分别降低了1.3%(CI,0.4%至2.2%)和2.6%(CI,0.7%至4.5%)。在股骨颈和腰脊柱BMD的变化和在一系列亚组进行了分析中都得到了一致的结果。

该研究的限制性为BMD测试间隔缺乏标准化。

与稳定BMD相比,全髋BMD治疗相关的增加可减少骨折的风险,而在BMD下降的女性中,骨折风险更大。在临床实践中监测BMD可能有助于确定对于骨质疏松症治疗反应不佳的女性。

原始出处:

William D. Leslie,Sumit R. Majumdar,Suzanne N. Morin,et al.Change in Bone Mineral Density Is an Indicator of Treatment-Related Antifracture Effect in Routine Clinical Practice,Ann Intern Med,2016.7.18

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  1. [GetPortalCommentsPageByObjectIdResponse(id=129386, encodeId=33561293867d, content=不错哦,会学到很多,喜欢梅斯医学文章, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Sep 17 11:41:00 CST 2016, time=2016-09-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=113296, encodeId=7895113296a6, content=很好,不错,以后会多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzUn81b5CF5ibVPib8jWI92iciaxmqGHlwruOnK4SVZykd4iahqo1hicklIibyZoxm55X7EM8BW9eX1h1hQ2/0, createdBy=8aa81937526, createdName=李东泽, createdTime=Wed Sep 07 17:30:00 CST 2016, time=2016-09-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=107238, encodeId=ace910e23857, content=好文,值得学习,赞!, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Tue Aug 30 10:37:00 CST 2016, time=2016-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93976, encodeId=3a3c939e6d3, content=值得一看, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zGdN1x8J6HqtUI2Gpibk3sfIIBhZchAhjoiaCQlficdtQTnEqYncy3GVEMPIOJwD7t0mO2KfYGMgkIg/0, createdBy=86081727811, createdName=4546wk, createdTime=Wed Jul 20 23:31:00 CST 2016, time=2016-07-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93697, encodeId=bc2c9369e7d, content=比较好的知识,赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=164, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Pw2csslt7CukWiabqiblnQAbAss3ANsjUWZKUgN2n3JyJDHOJJAxibetNCiaEh70YckbPPTELyyStMZ8T3Q340icNSXgj72MowgTC/0, createdBy=188f1666747, createdName=1de00086m73(暂无匿称), createdTime=Tue Jul 19 17:28:00 CST 2016, time=2016-07-19, status=1, ipAttribution=)]
    2016-09-17 1e10c84am36(暂无匿称)

    不错哦,会学到很多,喜欢梅斯医学文章

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    2016-09-07 李东泽

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  3. [GetPortalCommentsPageByObjectIdResponse(id=129386, encodeId=33561293867d, content=不错哦,会学到很多,喜欢梅斯医学文章, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Sep 17 11:41:00 CST 2016, time=2016-09-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=113296, encodeId=7895113296a6, content=很好,不错,以后会多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzUn81b5CF5ibVPib8jWI92iciaxmqGHlwruOnK4SVZykd4iahqo1hicklIibyZoxm55X7EM8BW9eX1h1hQ2/0, createdBy=8aa81937526, createdName=李东泽, createdTime=Wed Sep 07 17:30:00 CST 2016, time=2016-09-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=107238, encodeId=ace910e23857, content=好文,值得学习,赞!, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Tue Aug 30 10:37:00 CST 2016, time=2016-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93976, encodeId=3a3c939e6d3, content=值得一看, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zGdN1x8J6HqtUI2Gpibk3sfIIBhZchAhjoiaCQlficdtQTnEqYncy3GVEMPIOJwD7t0mO2KfYGMgkIg/0, createdBy=86081727811, createdName=4546wk, createdTime=Wed Jul 20 23:31:00 CST 2016, time=2016-07-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93697, encodeId=bc2c9369e7d, content=比较好的知识,赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=164, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Pw2csslt7CukWiabqiblnQAbAss3ANsjUWZKUgN2n3JyJDHOJJAxibetNCiaEh70YckbPPTELyyStMZ8T3Q340icNSXgj72MowgTC/0, createdBy=188f1666747, createdName=1de00086m73(暂无匿称), createdTime=Tue Jul 19 17:28:00 CST 2016, time=2016-07-19, status=1, ipAttribution=)]
    2016-08-30 ylzr123

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  4. [GetPortalCommentsPageByObjectIdResponse(id=129386, encodeId=33561293867d, content=不错哦,会学到很多,喜欢梅斯医学文章, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Sep 17 11:41:00 CST 2016, time=2016-09-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=113296, encodeId=7895113296a6, content=很好,不错,以后会多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzUn81b5CF5ibVPib8jWI92iciaxmqGHlwruOnK4SVZykd4iahqo1hicklIibyZoxm55X7EM8BW9eX1h1hQ2/0, createdBy=8aa81937526, createdName=李东泽, createdTime=Wed Sep 07 17:30:00 CST 2016, time=2016-09-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=107238, encodeId=ace910e23857, content=好文,值得学习,赞!, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Tue Aug 30 10:37:00 CST 2016, time=2016-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93976, encodeId=3a3c939e6d3, content=值得一看, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zGdN1x8J6HqtUI2Gpibk3sfIIBhZchAhjoiaCQlficdtQTnEqYncy3GVEMPIOJwD7t0mO2KfYGMgkIg/0, createdBy=86081727811, createdName=4546wk, createdTime=Wed Jul 20 23:31:00 CST 2016, time=2016-07-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93697, encodeId=bc2c9369e7d, content=比较好的知识,赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=164, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Pw2csslt7CukWiabqiblnQAbAss3ANsjUWZKUgN2n3JyJDHOJJAxibetNCiaEh70YckbPPTELyyStMZ8T3Q340icNSXgj72MowgTC/0, createdBy=188f1666747, createdName=1de00086m73(暂无匿称), createdTime=Tue Jul 19 17:28:00 CST 2016, time=2016-07-19, status=1, ipAttribution=)]
    2016-07-20 4546wk

    值得一看

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=129386, encodeId=33561293867d, content=不错哦,会学到很多,喜欢梅斯医学文章, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Sep 17 11:41:00 CST 2016, time=2016-09-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=113296, encodeId=7895113296a6, content=很好,不错,以后会多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzUn81b5CF5ibVPib8jWI92iciaxmqGHlwruOnK4SVZykd4iahqo1hicklIibyZoxm55X7EM8BW9eX1h1hQ2/0, createdBy=8aa81937526, createdName=李东泽, createdTime=Wed Sep 07 17:30:00 CST 2016, time=2016-09-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=107238, encodeId=ace910e23857, content=好文,值得学习,赞!, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Tue Aug 30 10:37:00 CST 2016, time=2016-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93976, encodeId=3a3c939e6d3, content=值得一看, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zGdN1x8J6HqtUI2Gpibk3sfIIBhZchAhjoiaCQlficdtQTnEqYncy3GVEMPIOJwD7t0mO2KfYGMgkIg/0, createdBy=86081727811, createdName=4546wk, createdTime=Wed Jul 20 23:31:00 CST 2016, time=2016-07-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=93697, encodeId=bc2c9369e7d, content=比较好的知识,赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=164, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Pw2csslt7CukWiabqiblnQAbAss3ANsjUWZKUgN2n3JyJDHOJJAxibetNCiaEh70YckbPPTELyyStMZ8T3Q340icNSXgj72MowgTC/0, createdBy=188f1666747, createdName=1de00086m73(暂无匿称), createdTime=Tue Jul 19 17:28:00 CST 2016, time=2016-07-19, status=1, ipAttribution=)]
    2016-07-19 1de00086m73(暂无匿称)

    比较好的知识,赞

    0

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背景:成年男性严重缺乏性激素会导致骨质流失;然而,缺乏雄激素和雌激素对性腺功能减退的骨丢失的具体作用仍不清楚。此外,启动骨损伤的睾酮和雌二醇的阈值水平是不确定的。方法:纳入198名20-50岁健康男性,服用醋酸戈舍瑞林(抑制内源性性激素产生),随机服用每天0、1.25、2.5、5或10g睾酮凝胶,共16周。一个纳入202名男性的额外队列在这些随机治疗的基础上,服用阿那曲唑(抑制雄激素向雌激素的转化

长时间哺乳可能会导致女性骨密度下降

生完孩子骨密度会下降,仅仅限于泌乳时间≥4个月的女性。泌乳期与维生素D含量无关。对维持体内钙稳定平衡,维生素D起着很重要的作用。一些假设认为女性在妊娠和泌乳期时,骨密度与维生素D情况密切相关。最新一项研究表明,女性泌乳期与骨密度相关,但与维生素D情况无关。Petra Brembeck假设长期泌乳,维生素D进入乳汁内,会导致女性体内维生素D的减少;但是在研究中研究者们并没有发现产后1年女性体内维生素

J Pediatr Orthop:ADHA药物会降低骨密度?

近期发表在J Pediatr Orthop的研究表明,服用与注意缺陷多动障碍症(ADHD)相关处方药物的儿童和青少年,其总股骨、股骨颈和腰椎的骨密度(BMD)降低。该研究纳入了5135名8-17岁的参与者,根据自我报告或监护人的报告处获取参与者处方药物的服用情况,根据药物使用情况将其分为药物使用足和非药物使用者,其中药物使用者包括ADHD相关药物和其他药物。此外,通过双能X线扫描获取参与者BMD情

J Clin Endocrinol Metab:自发性卵巢早衰的女性,联合激素替代疗法较口服避孕药可更好的提高腰椎的骨密度

卵巢早衰(POF)的女性通常存在长时间的雌激素缺乏,导致的其中一个主要后果是骨丧失。目前最佳的雌激素替代疗法尚未可知,且其管理也并未有研究支持。联合激素替代疗法(HRT)或联合口服避孕药(COCP)是其中的两大重要的治疗方法。本研究旨在比较对自发性POF女性经HRT或COCP治疗后的骨密度和骨转换的效果,并观察未经治疗的结果。采用开放随机试验设计,为期两年,对比HRT和COCP治疗的效果,并采用非

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