临床表现 临床表现
Audrey A Keleman1,2,3, Alyssa Weakley4, Rebecca M Bollinger1
1Washington University in St. Louis School of Medicine, St. Louis, MO, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
认知功能和阿尔茨海默病 (AD) 生物标志物显著预测认知正常的老年人日常生活活动. 这些预测因素的早期检测可以帮助开发临床前AD的干预措施.
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.
- 生物标志物 生物标志物
背景情况:
- 认知衰退和阿尔茨海默病 (AD) 病理影响日常功能.
- 了解日常生活工具活动 (IADL) 的预测因素对于临床前AD的早期发现和干预至关重要.
研究的目的:
- 调查认知,AD生物标志物和认知正常 (CN) 老年人的IADL表现之间的关系.
- 确定IADL表现的关键预测因素,以开发有针对性的查工具和干预措施.
主要方法:
- 173 CN年长的成年人完成了基于家庭的IADL任务 (购物,支票簿平衡,药物管理).
- 用粉样蛋白和定子发射断层扫描 (PET) 来评估AD病理.
- 后勤回归模型分析了IADL表现的认知和生物标志物预测因素,控制了人口统计数据.
主要成果:
- 全球认知和注意力和处理领域是IADL表现的强有力的预测因素.
- 较高的粉样蛋白负担与较差的IADL表现有关;陶病症显示出趋势.
- 认知和粉样蛋白负担对预测IADL表现产生了附加效应.
结论:
- 认知功能和阿尔茨海默病理显著且互补地影响CN老年人的IADL表现.
- 结果可以为开发临床前AD敏感的功能评估提供信息.
- 针对发现的缺陷的干预措施可以改善IADL的表现和补偿策略.
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