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持续的抑郁症状轨迹预测从轻度认知障碍转化为阿尔茨海默病:一项纵向ADNI研究
Xiahao Ding1, Zhiying Zheng1, Haitong Wang2
1Department of Anesthesiology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China; Medical School, Nanjing University, Nanjing 210093, China; Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing 210093, China.
Journal of affective disorders
|August 15, 2025
概括
在轻度认知障碍 (MCI) 患者中持续高抑郁症状显著增加了阿尔茨海默病 (AD) 风险. 持续抑郁症的早期干预可能有助于延缓AD的进展.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 精神病学是一个精神病学.
背景情况:
- 抑郁症状是阿尔茨海默病 (AD) 的已知的可修改风险因素.
- 之前的研究缺乏对抑郁症状和AD进展的时间分析.
- 了解抑郁症对阿尔茨海默病的长期影响至关重要.
研究的目的:
- 研究抑郁症状轨迹与轻度认知障碍 (MCI) 转化为AD之间的长期关系.
- 为了确定持续的抑郁症状是否预测AD的进展.
主要方法:
- 来自阿尔茨海默氏病神经成像倡议的基线MCI的397名参与者的分析.
- 36个月的抑郁症状 (15项老年抑郁量表 - GDS) 的基于小组的轨迹建模.
- 考克斯的比例危险模型和受限立方线分析,以评估MCI-AD转换风险和剂量反应关系.
主要成果:
- 确定了三个不同的抑郁症状轨迹:持续低,中等和高.
- 与低症状组相比,持久中度和高抑郁症状的个体显示MCI转换为AD的危险比率显著增加.
- 观察到线性剂量反应相关性,其中36个月后更高的GDS得分与转化危险增加相关.
结论:
- 在MCI诊断后36个月内持续存在的高抑郁症状是AD进展的强有力的预测因素.
- 定期监测和干预管理MCI患者的持续抑郁症可能有助于延迟转化为AD.
- 老年抑郁量表 (GDS) 是一种自我报告测量,而不是临床诊断.
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