代谢综合征严重程度对基于社区的队列队列中的大脑血液动力学和认知的影响
Mervin Tee1, Mathijs B J Dijsselhof2, Eddie Jun Yi Chong3
1Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore.
Atherosclerosis
|August 9, 2025
概括
代谢综合征 (METS) 严重程度通过影响大脑血流 (CBF) 影响认知衰退. 较高的METS与较差的认知有关,CBF调解了这种关系,特别是在老年人中.
科学领域:
- 神经学 神经学
- 老年学是指老年学的学科.
- 心血管健康 心血管健康
背景情况:
- 代谢综合征 (METS) 是一种已知的认知能力下降的风险因素.
- METS对大脑血液动力学及其与认知的联系的具体影响需要进一步阐明.
研究的目的:
- 为了研究代谢综合征严重程度 (cMETS),大脑血动力学和老年人的认知功能之间的关系.
- 探索大脑血流 (CBF) 如何调解METS和认知表现之间的关联.
主要方法:
- 使用来自新加坡痴呆症流行病学 (EDIS) 队列的数据进行横截面研究.
- 用神经心理评估和动脉旋转标记MRI测量认知功能,大脑血液动力学和cMETS.
主要成果:
- 较高的cMETS与较差的全球认知,视觉构造和视觉运动速度有关.
- 观察到cMETS和CBF之间存在矛盾的关联,较低的CBF与最高三位数的较高cMETS有关.
- CBF与全球认知有积极的相关性,并调解了cMETS-cognition关系,特别是在不同的METS严重程度组.
结论:
- 下脑血流与更高的代谢综合征严重程度有关.
- 大脑血液动力学在代谢综合征严重程度和认知能力下降之间的联系中发挥着重要作用.
- 这些复杂的相互作用凸显了对纵向研究的需要,以了解代谢因素对老年人群中大脑健康的长期影响.
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