宏观和微血管反应性中的性别差异 - - 一个系统的综述和元分析
Ádám Fekete1,2, Dániel Horváth1,3, Patrik Kreuter1,4
1Centre for Translational Medicine, Semmelweis University, Baross u 22, 1085, Budapest, Hungary.
American journal of preventive cardiology
|November 19, 2025
概括
年轻的雌性表现出较高的血管剪切应力,但与男性相比,不一定具有更大的流媒体扩张 (FMD). 这一元分析澄清了血管反应性方面的性别差异,没有发现女性确诊的增强微循环.
科学领域:
- 心血管生理学心血管生理学
- 血管生物学 血管生物学
- 健康中的性别差异
背景情况:
- 心血管疾病的性别差异已经确立,但潜在的血管机制需要进一步阐明.
- 了解年轻男性和女性之间的血管反应性差异对于识别早期风险因素至关重要.
研究的目的:
- 在年轻,健康的成年人中调查大血管和小血管反应的基于性别的差异.
- 为了比较年轻男性和女性之间的流媒扩张 (FMD) 和封闭后反应性高血压 (PORH).
主要方法:
- 使用超声波或激光多普勒测量40岁以下,BMI低于30的个体口病或PORH的研究的系统分析.
- 基线动脉直径,口病,壁剪率 (WSR),血流变化 (ΔBF) 和高峰时间 (TTP) 的定量分析.
- 采用随机效应建模,性别作为预测因素,年龄和BMI作为调节者.
主要成果:
- 在51项研究 (2426名受试者) 中,与男性相比,女性的起始动脉直径和时间到峰值较小,但患上口炎和白血病的比例较高,没有调整年龄/BMI.
- 在对年龄和BMI进行调整后,包括前臂遮的研究,不再观察到性别之间的明显口炎差异.
- 在手臂动脉或微循环血流变化 (ΔBF,microΔBF) 中没有发现显著的性别差异.
结论:
- 年轻的雌性始终表现出比雄性更高的WSR,但在前臂封闭后对优异口炎的证据并不确.
- 在年轻女性的微循环中,无法证实统计学上显著的增强血管反应.
- 这些发现表明,在血管反应方面存在细微的性别差异,WSR是关键的差异化因素,而口病和微血管反应需要进一步调查.
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