跌倒和痴呆风险之间的关联:来自三个队列研究的证据
Aonan Li1, Shaojiong Zhou1, Jie Chang2
1Department of Neurology & Innovation Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, National Center for Neurological Disorders, Beijing, China.
Journal of translational internal medicine
|December 24, 2025
概括
跌倒是痴呆风险的早期指标,特别是在具有高遗传倾向的个体中. 这种关联强调了落作为潜在的认知衰退查工具.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 遗传学 是一个遗传学.
背景情况:
- 跌倒和痴呆风险之间的联系尚未得到充分证实.
- 研究遗传倾向在这种关系中的作用至关重要.
研究的目的:
- 检查跌倒与发展痴呆症的风险之间的关联.
- 评估遗传风险因素如何改变跌倒和痴呆之间的关系.
主要方法:
- 利用了来自英国生物库,查尔斯和武认知队列 (N=271,950) 的数据.
- 采用Cox的比例危险模型和后勤回归来分析跌倒和痴呆风险.
- 评估大脑成像数据 (灰质体积,白质超强度) 和多基因风险评分 (PRS).
主要成果:
- 在所有队列中,跌倒显著增加了痴呆症风险 (单跌倒HR 1.22,英国生物库中的多跌倒HR 1.73).
- 跌倒与认知衰退和大脑结构变化相关,包括灰质体积减少和白质超强度增加.
- 跌倒和PRS之间的显著相互作用表明,在多次跌倒和高遗传风险的个体中,痴呆症风险更高 (P=0.001).
结论:
- 布是痴呆症的早期预警信号,遗传易感性放大了这种风险.
- 在认知相关区域观察到的大脑缩支持跌倒作为潜在神经变化的指标.
- 跌倒是痴呆症查的一个简单,可观察的生物标志物.
相关概念视频
Dementia
482
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
The progression of dementia is generally gradual....
482
Alzheimer's Disease: Overview
1.6K
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
1.6K
Psychoneuroimmunology: Diabetes and Cancer
404
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
404


