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JAHA:冠状动脉钙化和认知功能之间的关系

2021-02-02 MedSci原创 MedSci原创

在45岁以上的荷兰人群中,CAC严重程度增加与较差的工作记忆表现相关,且独立于传统的心血管危险因素。在45至54岁的参与者中,CAC评分与工作记忆之间的负相关最强。

近日,血管疾病领域权威杂志JAHA上发表了一篇研究文章,该研究旨在调查冠状动脉钙化(CAC,亚临床冠状动脉粥样硬化的影像学生物标志物)的严重程度增加是否与较差的认知功能相关,而与心血管危险因素无关。

研究人员对4988名没有心血管疾病史的ImaLife研究参与者(45-91岁,女性占58.3%)进行了横断面分析,并使用非增强型心脏CT获得CAC评分。CogState简易系列测试用于评估4个认知领域:处理速度、注意力、工作记忆和基于检测任务、识别任务、1个向后任务和1项卡片学习任务的视觉学习。研究人员使用协变量分析对传统的心血管危险因素进行调整,并比较了4个CAC类别(0、1–99、100–399,≥400)患者每个认知域的平均得分差异。研究人员进行了年龄分层分析(45-54、55-64和≥65岁)以评估CAC严重程度与认知功能之间的关联是否随年龄而变化。

总体而言,校正传统的心血管危险因素后,较高的CAC与1个向后任务较差的表现有关,但CAC与其他认知任务无关。年龄分层分析显示,CAC严重程度与工作记忆之间的关联在45至54岁的参与者中持续存在,而在老年人中,这一关联失去了显著性。

由此可见,在45岁以上的荷兰人群中,CAC严重程度增加与较差的工作记忆表现相关,且独立于传统的心血管危险因素。在45至54岁的参与者中,CAC评分与工作记忆之间的负相关最强

原始出处:

Congying Xia.et al.Coronary Artery Calcium and Cognitive Function in Dutch Adults: Cross‐Sectional Results of the Population‐Based ImaLife Study.J AM HEART ASSOC.2021.https://www.ahajournals.org/doi/full/10.1161/JAHA.120.018172

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    2021-02-04 zhaohui6731
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    2021-02-03 carrotlyl

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