肥胖与骨质疏松

被引:33
作者
魏雅楠
苗懿德
机构
[1] 北京大学人民医院老年科
关键词
肥胖; 骨质疏松;
D O I
暂无
中图分类号
R580 []; R589.2 [脂肪代谢障碍];
学科分类号
100201 [内科学];
摘要
肥胖与骨质疏松症这两种复杂遗传病,从发病机制而言,两者可能共享某些环境因素和遗传因素。有研究显示,体重增加对预防骨质疏松症发生有保护性作用,降低骨折风险。肥胖形成过程中,与体重相关的许多激素与骨量变化有关,如:脂肪组织分泌的瘦素、雌激素、脂联素;消化道分泌的胃饥饿素;胰腺分泌胰岛素、胰淀素。然而,近年来也有一些不同的研究发现,过度脂肪组织增加并不能预防骨折的发生。可见肥胖和骨质疏松之间内因与外因的相互作用错综复杂,导致不同人群出现不同的研究结果。推测可能在不同体脂比例条件下,体脂与骨量形成呈现不同的关联。
引用
收藏
页码:814 / 817
页数:4
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