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轻度功能障碍对中年和老年人血管功能的性别特异性影响
Sanna Darvish1, McKinley E Coppock1, Kevin O Murray1
1Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States.
概括
轻度功能障碍会增加心血管风险,特别是在老年男性中,由于血管功能障碍. 这项研究发现,轻度功能障碍的男性血管功能受损,但绝经后妇女没有.
科学领域:
- 心血管医学 心血管医学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 血管生物学 血管生物学
背景情况:
- 轻度功能障碍 (MKD) 与心血管疾病 (CVD) 风险增加有关.
- 血管功能障碍是心血管疾病发展的关键因素.
- MKD对中年/老年 (ML/O) 成人的血管功能的影响,以及潜在的性别差异,仍然不清楚.
研究的目的:
- 研究ML/O成年人中MKD和血管功能 (内皮功能和大动脉硬) 之间的关联.
- 为了确定性别是否调节MKD对血管功能的影响.
主要方法:
- 在MKD的ML/O成年人中,与健康对照组 (eGFR:>=90 mL/min/1.73 m^2) 相比,手臂动脉流量介导扩张 (FMD_BA) 和带-大腿脉冲波速率 (PWV_CF) 的比较 (eGFR:>=90 mL/min/1.73 m^2).
- 评估了炎症和氧化应激的循环标志物.
- 分析数据按性别分层 (男性和绝经后女性).
主要成果:
- 与男性对照组相比,患有MKD的男性表现出明显较低的FMD_BA和较高的PWV_CF,这两项措施与eGFR相关.
- 在患有MKD的女性和女性对照者之间,没有观察到FMD_BA或PWV_CF的显著差异.
- 这些男性的血管变化独立于传统的心血管疾病风险因素和药物使用.
结论:
- 血管功能障碍可能导致中年/老年男性中MKD相关的心血管疾病风险增加.
- 与MKD相关的血管功能障碍不太可能是绝经后妇女心血管疾病风险增加的主要驱动因素.
- 研究结果强调了MKD对血管健康的性别特异性影响.
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