中老年女性骨转换指标与骨密度和骨质疏松风险的关系

被引:12
作者
张云林 [1 ,2 ]
周祥 [2 ]
张红 [1 ]
戴如春 [1 ]
罗湘杭 [1 ]
伍西羽 [1 ]
伍贤平 [1 ]
廖二元 [1 ]
机构
[1] 中南大学湘雅二医院代谢内分泌研究所国家代谢性疾病临床研究中心
[2] 湖南省湘乡市第二人民医院内分泌科
关键词
骨转换指标; 骨密度; 骨质疏松; 骨质疏松风险; 中老年女性;
D O I
暂无
中图分类号
R580 [];
学科分类号
摘要
目的了解中老年女性骨转换指标变化对骨密度(BMD)和骨质疏松患病风险的影响。方法 632名健康中老年女性(年龄40~89岁),测定空腹血清骨特异性碱性磷酸酶(BAP)、骨钙素(OC)、骨I型胶原C-末端肽(s CTX)和N-末端肽(s NTX),以及腰椎和近端股骨骨密度(BMD),并分析这些骨转换指标与BMD和骨质疏松患病风险的关系。结果本研究检测的各种骨转换指标与腰椎、股骨颈和髋部BMD呈显著负相关(r=-0.238-0.528,P均=0.000)。调整年龄、身高、体重和体重指数后,血清BAP、OC和s CTX与腰椎和股骨颈BMD的偏相关系数仍然有显著性意义。多元线性回归分析显示,这些骨转换指标对腰椎BMD是一个有意义的负性决定因素,大约可以解释腰椎BMD 7.6%27.9%的变异性。各种骨转换指标水平最高的四分位组(Q4)与最低的组(Q1)比较,腰椎、股骨颈和髋部的骨质疏松患病风险,分别显著增加4.6~15倍(OR=4.6~15,95%CI:2.6~30),3.2~13倍(OR=3.2~13,95%CI:1.5~36)和3.0~13倍(OR=3.0~13,95%CI:1.3~44)。结论本研究揭示了中老年女性骨转换指标与BMD和骨质疏松患病风险的关系,提示骨转换指标水平变化是中老年女性BMD的重要决定因素,骨形成指标和/或骨吸收指标水平增加者骨质疏松患病率和患病风险大大增加。
引用
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页码:1561 / 1567
页数:7
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