Eur Heart J-Card Img:主动脉瓣钙化与维生素K拮抗剂治疗的关联

2020-05-06 MedSci原创 MedSci原创

与不进行抗凝治疗相比,使用VKA与AVC评分升高有关,而对于NOAC使用者未观察到类似的关联。

有学者怀疑维生素K拮抗剂(VKA)会导致主动脉瓣钙化(AVC)。近日,心血管领域权威杂志Eur Heart J-Card Img上发表了一篇研究文章,这项研究旨在弄清楚接受VKA治疗的患者与接受新型口服抗凝剂(NOAC)的患者以及从未接受过VKA/NOAC治疗的患者相比,其AVC评分是否有所提高。

研究人员纳入了基于人群的DANCAVAS试验的参与者(n=15048)。收集有关混杂因素的信息,并在非对比计算机断层扫描中测量了AVC评分。参与者的药物数据(包括VKA和NOAC数据)是从丹麦国家卫生服务处方数据库中收集。

该研究的最终人群包含14604名参与者(67.4岁),男性为95%,其中873名受试者接受了VKA治疗,602名受试者接受了NOAC治疗。在调整后的负二项式回归模型中探究了AVC评分与抗凝药持续时间之间的关联。对于VKA治疗每增加一年,AVC评分平均提高6%[预期计数比(RECs)=1.06;95%置信区间(CI)为1.02-1.10]。这些结果在排除了已知心血管疾病患者和他汀类药物使用者的敏感性分析中一致(分别有REC=1.07;95%CI为1.02-1.11和REC=1.10;95%CI为1.03-1.17)。在任何相应模型中(REC=1.03、1.02和0.96),NOAC治疗与AVC评分均无显著相关。

由此可见,与不进行抗凝治疗相比,使用VKA与AVC评分升高有关,而对于NOAC使用者未观察到类似的关联。

原始出处:

Pernille Stegemejer Sønderskov.et al.Association of aortic valve calcification and vitamin K antagonist treatment.Eur Heart J-Card Img. 2020.https://doi.org/10.1093/ehjci/jeaa065

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    2020-05-08 zhaojie88
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    2020-05-08 slcumt
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