JAHA:循环硒浓度与卒中患病率相关

2019-05-14 xing.T 网络

由此可见,该研究观察到在加拿大和美国人群的代表性样本中全血硒与卒中患病率之间存在负性关联。

观察性研究表明硒(Se)可能对某些血管结局有益,可能存在U形关联。近日,血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员评估了血硒浓度可能与卒中患病率呈负相关的假设,这种关系将是非线性的。

研究人员对加拿大卫生措施调查(CHMS 2007-2011,n=7065)和美国国家健康与营养检查调查(NHANES 2011-2012,n=5030)中收集的成人参与者(年龄≥20岁)的数据进行了分析。

在CHMS和NHANES中共确定了82例(1.16%)和202例(4.02%)卒中病例。卒中患者的Se水平低于无卒中患者,CHMS和NHANES的平均差异分别为16μg/L和12μg/L。血液Se浓度高的受试者(第3三分位数)卒中患病率低于Se浓度低的受试者(第1三分位数)。CHMS和NHANES的校正比值比分别为0.38(95%CI:0.15-0.92)和0.57(95%CI:0.31-1.03)。在CHMS中观察到卒中随全血硒水平持续下降的趋势,基于立方限制样条回归,NHANES的曲线平稳起始于190μg/L。使用血清和尿液Se浓度的灵敏度分析表明该研究的结果在不同的硒生物标志物中是一致的。

由此可见,该研究观察到在加拿大和美国人群的代表性样本中全血硒与卒中患病率之间存在负性关联。 

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    2019-05-16 zhaohui6731
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    2019-05-14 健健

    卒中虽然是临床上常见病,溶栓,取栓等血管内治疗也很成熟,但是仍然有很多未知问题有待认知!

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