公共卫生 公共卫生
Jose A Luchsinger1, Qing Pan2, William C Knowler3
1Columbia University Irving Medical Center, New York, NY, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
患有糖尿病前期或2型糖尿病 (T2D) 超重或肥胖的个体表现出较慢的口头记忆力下降. 需要进一步的研究来了解身体质量指数 (BMI) 和认知功能之间的这种关联背后的机制.
科学领域:
- 内分泌学 在内分泌学.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 前糖尿病和2型糖尿病 (T2D) 影响了三分之二的美国成年人,增加了认知障碍的风险.
- 通过体重指数 (BMI) 衡量的过度脂肪可能会影响T2D患者的认知功能.
- 了解这种关系可以为预防T2D管理中的认知衰退策略提供信息.
研究的目的:
- 研究患有糖尿病前期或T2D的人体体重指数 (BMI) 和认知功能之间的关联.
- 分析不同BMI类别 (正常,超重,肥胖) 如何随着时间的推移影响认知测试表现.
主要方法:
- 重复测量糖尿病预防计划结果研究 (DPPOS) 数据的分析.
- 使用BMI作为肥胖的替代品,分为正常 (<25 kg/m2),超重 (25-<30 kg/m2) 或肥胖 (≥30 kg/m2) 的类别.
- 使用西班牙语英语口头学习测试 (SEVLT) 和数字符号替换测试 (DSST) 以及修改后的迷你心理考试 (3MS) 评估认知功能.
主要成果:
- 超重或肥胖 (BMI ≥25 kg/m2) 与口头记忆性能下降的速度较慢有关.
- 当将正常BMI的个体与超重或肥胖的人进行比较时,观察到这种关联.
- 在8年,10年和15年DPPOS认知测试得分与8年和15年BMI相关分析.
结论:
- 在DPPOS研究中,在糖尿病前期或T2D患者中,超重或肥胖与言语记忆下降的速度相比较慢,与正常体重的患者相比较慢.
- 推动这种关联的潜在因果关系和生物机制需要进一步调查.
- 未来的研究应该旨在阐明这一群体中较高的BMI和保存的口头记忆之间的联系的原因.
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