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Int J Cardiol:长期使用低剂量阿司匹林与一般人群骨密度较低无关!

2017-06-28 xing.T MedSci原创

长期使用低剂量阿司匹林与一般人群较低的BMD无关。 因此,以往研究中阿斯匹林使用者观察到的骨折风险增加更可能是阿司匹林使用和骨折常见原因的结局,而不是阿司匹林对BMD的直接影响。

低剂量阿司匹林是心血管疾病二级预防的基石。先前的研究表明阿司匹林的使用与骨折风险的增加有关。然而,这是否由于阿司匹林对骨密度(BMD)的影响尚不确定。

近日,心血管领域权威杂志International Journal of Cardiology上发表了一篇研究文章,在2008年至2012年期间,在荷兰流行病学肥胖研究中收集了916名参与者药物使用和双重X射线吸收法测量的椎体和股骨BMD的信息。研究人员使用线性回归分析估计了慢性低剂量阿司匹林使用和BMD之间的横断面关联,调整了影响BMD的人口统计学、身体成分、合并症和其他药物使用后,对绝经后妇女进行亚组分析(n=329)。

经过充分调整后,阿司匹林组和非阿斯匹林使用组受试者的椎体BMD(调整后平均差异为0.036(95%可信区间为-0.027至0.100)g/cm2)和股骨BMD(调整后平均差异为0.001(95%可信区间为-0.067至0.069)g/cm2)无明显差异。 在绝经后妇女亚组中,阿司匹林使用与较低的椎体BMD(调整平均差异为0.069(-0.046至0.184)g/cm2)或股骨BMD(调整平均差异为-0.055(-0.139至0.029)g/cm2)无明显差异。

长期使用低剂量阿司匹林与一般人群较低的BMD无关。 因此,以往研究中阿斯匹林使用者观察到的骨折风险增加更可能是阿司匹林使用和骨折常见原因的结局,而不是阿司匹林对BMD的直接影响。

原始出处:

T.N. Bontena,et al. Chronic use of low-dose aspirin is not associated with lower bone mineral density in the general population. International Journal of Cardiology. https://doi.org/10.1016/j.ijcard.2017.06.089

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    2017-06-28 haige

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