Heart:脂蛋白(a)与主动脉瓣钙化密切相关

2021-05-08 MedSci原创 MedSci原创

Lp(a)水平与AVC之间密切相关。这些结果为评估降低Lp(a)对AVC早期患者进行干预以预防终末期主动脉瓣狭窄提供了理论依据。

近日,心脏病领域权威杂志Heart上发表了一篇研究文章,该研究通过根据年龄和脂蛋白(a)(Lp(a))水平进行分层的两个大型队列,来调查主动脉瓣钙(AVC)的患病率和数量,并评估Lp(a)与AVC之间的关联。

研究人员纳入了基于人群的鹿特丹研究中2412名参与者(52%为女性,平均年龄为69.6±6.3岁)以及来自阿姆斯特丹大学医学中心(UMC)门诊的859名健康个体(57%为女性,平均年龄为45.9±11.6岁)。

所有个体均接受血液采样以测定Lp(a)浓度,并接受了非增强型心脏CT评估AVC。研究人员进行了Logistic和线性回归分析以调查Lp(a)水平与有无AVC及其数量之间的关联。

脂蛋白(a)与主动脉瓣钙化的关系

在鹿特丹研究中AVC的患病率为33.1%,在阿姆斯特丹UMC队列中为5.4%。在两个队列中,较高的Lp(a)浓度与AVC独立相关(在Lp(a)水平每增加50mg/dL,OR分别为:鹿特丹研究队列中为1.54(95%CI为1.36至1.75);阿姆斯特丹UMC队列中为2.02(95%CI为1.19至3.44)。在鹿特丹研究队列中,较高的Lp(a)浓度还与主动脉瓣Agatston得分增加相关(每增加50mg/dL,β为0.19,95%CI为0.06至0.32)。

由此可见,Lp(a)水平与AVC之间密切相关。这些结果为评估降低Lp(a)对AVC早期患者进行干预以预防终末期主动脉瓣狭窄提供了理论依据

原始出处:

Yannick Kaiser.et al.Lipoprotein(a) is robustly associated with aortic valve calcium.heart.2021.https://heart.bmj.com/content/early/2021/05/07/heartjnl-2021-319044

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    2021-05-10 zhaojie88
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    2021-05-10 slcumt
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