公共卫生 公共卫生
Shruti Pandey1, Hitesh Pradhan2, Ravi S Muddashetty3
1Centre for Brain Research, Indian Institute of Science, Bangalore, India.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
糖尿病对农村印度成年人的认知功能和大脑结构产生负面影响,甚至在痴呆症发病之前. 低血糖控制加剧了注意力缺陷,强调了早期糖尿病管理的必要性,以减少痴呆风险.
科学领域:
- 神经科学是一个神经科学.
- 内分泌学 在内分泌学.
- 公共卫生 公共卫生
背景情况:
- 糖尿病是一种已知的痴呆症风险因素.
- 糖尿病对非痴呆症患者的认知和大脑结构的影响,特别是在印度农村地区,还未得到充分研究.
- 这项研究调查了印度农村中年和老年人糖尿病,认知能力和脑部MRI发现之间的关系.
研究的目的:
- 检查印度农村人口中糖尿病和认知表现之间的关联.
- 通过使用MRI来调查糖尿病和大脑结构之间的联系.
- 评估糖尿病对没有痴呆症的个体认知功能和大脑形态学的影响.
主要方法:
- 在印度南部农村地区的CBR-SANSCOG队列中,对3,983名参与者 (≥45岁) 的横截面研究.
- 通过临床病史或HbA1c≥6.5%诊断出糖尿病. 使用COGNITO电池评估认知功能.
- 用VBM分析的大脑MRI (n=1,336);多变量回归调整为混因素.
主要成果:
- 与非糖尿病人相比,糖尿病患者在注意力任务 (视觉注意力,反应时间) 中表现较差 (p<0.05).
- 较高的HbA1c水平与较差的注意力任务表现相关.
- 核磁共振扫描显示,糖尿病患者双边小脑和右门的灰质体积减少 (p<0.05).
结论:
- 糖尿病与小脑和小脑中的注意力缺陷和灰质损失有关,这在农村印度人中是痴呆症发病的先兆.
- 血糖控制的恶化与注意力较差相关.
- 早期糖尿病诊断和干预对于减轻该人口中痴呆症风险至关重要.
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