研究生育年龄组和绝经后妇女的认知功能和心率变化
Akansha Haldar1, Shraddha Singh1, Sujita K Kar2
1Department of Physiology, King George's Medical University, Lucknow, Uttar Pradesh, India.
更年期与认知能力下降有关,特别是在执行功能和记忆力方面. 然而,心率变异性 (HRV) 分析表明,绝经后印度女性的副交感活动被保留,这表明HRV作为认知健康生物标志物的潜力.
科学领域:
- 神经科学是一个神经科学.
- 心脏病学 心脏病学
- 老年学是指老年学的学科.
背景情况:
- 更年期涉及荷尔蒙,认知和自主变化.
- 印度女性的认知功能和心率变化 (HRV) 之间的关系还未得到充分研究.
研究的目的:
- 在生育年龄和绝经后的印度女性之间比较认知表现和HRV.
- 检查认知领域和HRV指数之间的关联.
主要方法:
- 在240名健康的印度妇女 (120名生殖年龄,120名绝经后) 的横截面研究.
- 使用蒙特利尔认知评估 (MoCA) 评估的认知功能.
- 通过5分钟休息心电图评估HRV,分析时间域 (SDNN,RMSSD,pNN50,平均RR) 和频域 (LF,HF,LF/HF比率) 度量.
主要成果:
- 绝经后的女性的MoCA得分较低,特别是在执行功能,记忆和抽象方面,但语言得分更高.
- 在绝经后的女性中,HRV显示RR间隔较长,副交感指数较高 (RMSSD,pNN50,HF);LF/HF比率保持不变.
- 认知得分与SDNN和平均RR正相关;LF/HF比率显示出负相关性.
结论:
- 绝经后的女性表现出认知缺陷和自主功能的改变.
- 对HRV的分析表明,与预期相反,老年女性的副交感调制保持或增强.
- 自主认知合在老年妇女中很重要,HRV可能作为认知健康的生物标志物.
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