Eur Heart J:血浆脂质与主动脉瓣狭窄风险

2020-02-20 xing.T MedSci原创

由此可见,终生暴露于高LDL-胆固醇会增加有症状的主动脉瓣狭窄风险,这表明降低LDL的治疗可能有效地预防了该疾病。

通常认为主动脉瓣狭窄是一种退化性疾病,没有推荐的预防干预措施,仅将瓣膜置换手术或导管干预作为治疗选择。近日,心血管领域权威杂志Eur Heart J上发表了一篇研究文章,研究人员试图评估脂质水平暴露与主动脉瓣狭窄风险之间的因果关系。

研究人员通过两样本孟德尔随机框架经不同的统计方法评估了关联的因果关系。在包含主要为欧洲血统的188577名参与者的全球脂质遗传学联盟中,研究人员检索了157个与血浆脂质水平相关的遗传变异的概算,研究人员从英国生物库的432173名参与者中评估了作为主要结局的主动脉瓣狭窄遗传关联。次要的阴性对照结局包括主动脉瓣关闭不全和二尖瓣关闭不全。

脂质参数每升高一个单位,对于低密度脂蛋白(LDL)-胆固醇,主动脉瓣狭窄发生的比值比为1.52 [95%置信区间(CI)为1.22-1.90;每0.98 mmol/L];高密度脂蛋白(HDL)-胆固醇为1.03(95%CI为0.80–1.31;每0.41mmol/L),以及甘油三酯为1.38(95%CI为0.92-2.07;每1mmol/L)。没有证据表明任何脂质参数与主动脉或二尖瓣关闭不全之间存在因果关系。

由此可见,终生暴露于高LDL-胆固醇会增加有症状的主动脉瓣狭窄风险,这表明降低LDL的治疗可能有效地预防了该疾病。

原始出处:

Milad Nazarzadeh,et al.Plasma lipids and risk of aortic valve stenosis: a Mendelian randomization study.Eur Heart J.2020.https://doi.org/10.1093/eurheartj/ehaa070

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    2020-02-22 zhaojie88
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    2020-02-22 slcumt