观点是不是很重要? 比较患者,告密者和临床医生的主观认知衰退.
medRxiv : the preprint server for health sciences
|February 27, 2026
概括
主观认知衰退 (SCD) 的定义各不相同. 临床医生报告的SCD至关重要,因为它与正常对照者的认知衰退,轻度认知障碍和阿尔茨海默病有关.
科学领域:
- 神经学 神经学
- 老年学是一门学科.
- 认知科学 认知科学
背景情况:
- 主观认知衰退 (SCD) 通常通过患者的自我报告来评估.
- 新出现的证据表明,告密者和临床医生报告也可能与认知功能相关.
- 本研究调查了患者,告知者和临床医生的SCD定义及其认知关联之间的差异.
研究的目的:
- 为了比较患者,告知者和临床医生对主观认知衰退 (SCD) 的定义.
- 分析这些不同的SCD定义和认知表现之间的关系.
- 探索各种SCD报告员对随时间推移认知衰退的预测价值.
主要方法:
- 利用来自国家阿尔茨海默氏症协调中心的4290名老年人的数据.
- 将参与者分为正常对照 (NC),轻度认知障碍 (MCI) 和阿尔茨海默病 (AD) 组.
- 采用线性模型来评估SCD定义与基线和纵向认知之间的关联.
主要成果:
- 在正常对照组中,告知者和临床医生报告的SCD与较差的基线认知相关;患者和临床医生SCD预测随着时间的推移而下降.
- 在轻度认知障碍和阿尔茨海默病组中,所有SCD定义 (患者,告知者,临床医生) 在基线和随着时间的推移都与较差的认知有关.
- 临床医生报告的SCD在所有参与者群体中都与认知障碍有显著的关联.
结论:
- 这些发现强调了考虑主观认知衰退 (SCD) 的不同定义的必要性.
- 临床医生报告的SCD成为认知状态和衰退的特别重要的指标.
- 将临床医生的评估整合到SCD评估中可能会提高认知障碍的早期发现和管理.
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