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血小板指数对缺血性中风的影响:孟德尔的随机化研究和调解分析
Yang Li1, Wenping Xiang1, Hui Xue1
1Department of Neurology, Inner Mongolia Institute of Cerebrovascular Diseases, Baotou Center Hospital, Baotou, Inner Mongolia, China.
Frontiers in neurology
|December 25, 2023
概括
血小板克里特 (PCT) 水平与中风风险增加存在因果关系. 这种关联可能由血压介导,突出显示PCT是预防中风的潜在生物标志物.
科学领域:
- 血液学 血液学 血液学
- 遗传学 遗传学 是一个
- 心血管疾病流行病学
背景情况:
- 血小板指数 (PI) 是反映血小板状况的关键血液学参数.
- 以前的研究表明PI和中风风险之间存在联系,但混因素限制了结论.
研究的目的:
- 使用孟德尔随机化 (MR) 调查PI和中风风险之间的因果关系.
- 探索血压在PI-中风关系中的潜在调解作用.
主要方法:
- 利用英国生物银行数据 (n=350,474) 来识别血小板计数 (PLT),血小板分布宽度 (PDW),平均血小板体积 (MPV) 和血小板位数 (PCT) 的遗传变异.
- 采用逆变量加权分析来进行初级因果推断.
- 进行多变量MR和调解分析以评估血压的作用.
主要成果:
- 基因预测较高的PCT水平与中风风险增加有关 (OR=1.113,p<0.001).
- 对于PLT,PDW或MPV与中风风险没有发现显著的因果关系.
- 压缩性血压 (SBP) 和压缩性血压 (DBP) 分别介导了PCT中风相关性的23.71%和28.09%.
结论:
- 这项MR研究提供了PCT水平升高与缺血性中风风险之间的因果关系的证据.
- 血压部分调解PCT和中风之间的关系,这表明一个潜在的治疗目标.
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