J Intern Med:预防≥80岁老年人髋部骨折:能否考虑阿仑膦酸钠?

2017-12-28 吴星 环球医学

2017年12月,发表在《J Intern Med》上的一项研究,对阿仑膦酸钠在预防高龄老年人髋部骨折上的有效性进行了研究。

2017年12月,发表在《J Intern Med》上的一项研究,对阿仑膦酸钠在预防高龄老年人髋部骨折上的有效性进行了研究。

背景:高质量证据表明,阿仑膦酸钠可用于骨折的二级预防,包括髋部骨折,但是阿仑膦酸钠用于预防高龄老年人(≥80岁),骨折风险最高的人群,髋部骨折的有效性还未进行过研究。

目的:旨在调查具有既往骨折史的老年人使用阿仑膦酸钠治疗是否与髋部骨折率的降低和长期安全性相关。

方法:使用在瑞典医疗机构进行跌倒风险评估的男性和女性的全国数据库,研究人员共筛选90795例80岁或以上且具有既往骨折史的患者。然后使用倾向得分匹配(4:1)筛选出7844例对照和1961例阿仑膦酸钠治疗的患者。使用Cox模型考察髋部骨折风险因素,使用交互作用项调查年龄和治疗间的相互作用。

结果:病例和对照组的年龄、性别、人体测量学和合并症等变量均得到很好的平衡。阿仑膦酸钠治疗与髋部骨折风险降低相关(HR,0.62;95% CI,0.49~0.79;P<0.001),多变量模型结果显示(HR,0.66;0.51~0.86;P<0.01)。阿仑膦酸钠与死亡风险的降低相关(HR,0.88;0.82~0.95),但是会增加轻度上消化道(UGI)症状风险(HR,1.58;1.12~2.24)。阿仑膦酸钠与髋部骨折或轻度UGI症状之间的相关性不随着年龄而改变。

结论:在既往骨折的高龄老年患者中,阿仑膦酸钠治疗可降低髋部骨折风险,并具有长期安全性,表明该治疗方法应该在这些高风险患者中予以考虑。

原始出处:

Axelsson KF,et al. Hip fracture risk and safety with alendronate treatment in the oldest-old. J Intern Med. 2017 Dec;282(6):546-559. doi: 10.1111/joim.12678. Epub 2017 Oct 4.

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    2017-12-30 liuquan
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