临床表现 临床表现
Olivier Fortier-Lebel1,2,3, Émilie Hudon1,2, Sarah Brosse1,2
1Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 24, 2025
概括
个人主观认知衰退 (SCD) 显示较差的嗅觉功能和更高的焦虑和抑郁水平. 这些因素共同改善了SCD状态的预测,表明早期临床前阿尔茨海默病的检测.
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:
- 主观认知衰退 (SCD) 是阿尔茨海默氏症 (AD) 的临床前阶段.
- 嗅觉功能障碍和神经精神症状与阿尔茨海默病的进展有关.
- 人们对SCD阶段的这些损伤知之甚少.
研究的目的:
- 调查SCD患者的嗅觉功能.
- 评估SCD中的焦虑和抑郁水平.
- 将SCD参与者与健康对照进行比较.
主要方法:
- 招募了110名60岁以上的参与者 (59名SCD,51名对照).
- 焦虑 (GAI) 和抑郁 (GDS) 被评估.
- 嗅觉测试使用了Sniffin' Sticks电池.
主要成果:
- SCD组的整体嗅觉性能明显低于对照组.
- 在SCD组中,焦虑和抑郁的得分更高.
- 综合的嗅觉,焦虑和抑郁数据改善了SCD预测的准确性.
结论:
- 患有SCD的个体表现出客观的嗅觉缺陷.
- 嗅觉功能,焦虑和抑郁症在阿尔茨海默症早期阶段都很重要.
- 需要进一步研究与嗅觉事件相关的潜力.
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