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Heart:血浆中7-酮胆醇水平与心血管事件风险有关吗?

2017-05-11 xing.T MedSci原创

由此可见,升高的血浆中7-KC水平与人群的心血管病事件发生相关。但仍需要进一步的研究来证实这种观察结果。

7-酮胆醇(7-KC),是胆固醇的主要氧化产物,在人类动脉粥样硬化斑块可以找到,在动物模型中,其比胆固醇的致动脉粥样硬化作用更强。近日,在心脏病领域权威杂志Heart上发表了一篇研究文章,该研究旨在探讨一般人群中血浆中7-KC水平与心血管疾病事件之间的相关性。

研究人员在1994年测定了以社区为基础的队列研究中无心血管疾病的参与者血浆中基础7-KC的浓度。该研究的主要终点为重大心血管事件发生。Cox比例风险模型被用来计算风险比与95%可信区间。

在平均随访的5.2年期间,该研究共有101例参与者发生CVD事件。研究人员发现血浆中基础7-KC水平与较高的心血管疾病事件风险相关;相比于第1四分位数范围的参与者相比,第4四分位数范围的参与者未经调整的风险比为2.38(2.03-2.85,P<0.001)和调整传统危险因素后的风险比为1.70(1.45-1.91,P=0.004)。血浆中7-KC水平改善了所有的区分和重分类的指标,当添加了内膜中层厚度(C-统计量:P=0.002;净重新分类改善指标(NRI):P<0.001;综合区分改善(IDI):P<0.001)、心肌梗塞家族史(C-统计量:P=0.011;NRI:P=0.004;IDI:P=0.003)和升高的高敏C反应蛋白(C统计量:P=0.008;NRI:P=0.015;IDI:P=0.009)。

由此可见,升高的血浆中7-KC水平与人群的心血管病事件发生相关。但仍需要进一步的研究来证实这种观察结果。

原始出处:


Min Wang,et al. Plasma 7-ketocholesterol levels and the risk of incident cardiovascular events. Heart. 2017. http://dx.doi.org/10.1136/heartjnl-2016-310914

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    2017-05-13 zhaojie88
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    2017-05-13 slcumt
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    2017-05-11 林3301

    是不是胆固醇生化过程中的每一项出问题,都会影响血管呢

    0

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