运动训练可以降低脑血管阻抗在患有amnestic轻度认知障碍的患者:一年随机对照试验
Jun Sugawara1,2, Takashi Tarumi1,2, Tsubasa Tomoto1,2
1Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN.
Medicine and science in sports and exercise
|January 15, 2026
概括
有氧运动训练 (AET) 在轻度认知障碍患者中显著降低了脑血管阻抗. 这些改善与更好的脑输液有关,女性比男性显示出更大的好处.
科学领域:
- 神经学 神经学
- 心血管科学 心血管科学
- 老年学是指老年学的学科.
背景情况:
- 患有amnestic轻度认知障碍 (aMCI) 的患者表现出较高的脑血管阻抗 (Z),与大脑低 perfusion 相关.
- 众所周知,有氧运动训练 (AET) 在健康的老年人中降低了Z,但它对aMCI患者的影响尚不清楚.
研究的目的:
- 为了研究一个为期一年的AET计划对aMCI患者的脑血管阻抗 (Z) 的影响.
- 探索Z变化与大脑 perfusion 标记物之间的关系.
- 检查对AET的反应中潜在的性别差异.
主要方法:
- 70名aMCI患者被随机分配到AET (N=31) 或拉伸和增强 (SAT,N=39) 一年.
- 脑血管阻抗 (Z) 用转移函数分析测量了动脉压和中脑动脉血流速度之间的转移函数.
- 总脑血流量 (CBF) 使用双重超声波进行评估.
主要成果:
- AET组在6个月和12个月后显示出Z显著减少.
- 在SAT组,Z在6个月后出现下降,但此后趋于平稳.
- 在AET组中,降低Z与增加的总CBF和脑血管导电率 (CVC) 相关联.
- 妇女在12个月内表现出持续的Z减少,而男性在6个月后表现出平原.
结论:
- 在aMCI患者中,AET有效降低了脑血管阻抗,与改善的大脑输液和CVC相关.
- 与男性相比,女性在一年内可能从AET中获得更多的脑血管阻抗改善.
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