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临床表现 临床表现

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行为变异阿尔茨海默病 (bvAD) 患者表现出类似于健康对照者的病前个性,与典型的AD (tAD) 不同. 在发病后,bvADs发展出刚性个性,反映出行为变异的前性痴呆症 (bvFTD).

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科学领域:

  • 神经科学是一个神经科学.
  • 精神病学是一个精神病学.
  • 老年学是一门学科.

背景情况:

  • 行为变异性阿尔茨海默病 (bvAD) 呈现的症状与行为变异性前性痴呆 (bvFTD) 类似,但与典型的阿尔茨海默病 (tAD) 有解剖学联系.
  • 患病前的性格特征可能会使个人倾向于bvAD,从而导致神经退行过程中的早期行为缺陷.
  • 在bvAD患者中,无论是病前还是当前的个性特征都没有得到很好的定义.

研究的目的:

  • 调查和比较bvAD.患者的病前和当前人格特征.
  • 探索人格与神经退行性疾病中不同行为现象型的发展之间的关系.
  • 确定在bvFTD中观察到的个性变化是否也存在于bvAD中.

主要方法:

  • 一项追溯病例控制研究,涉及19名bvAD患者,25名tAD患者,28名bvFTD患者和37名健康对照 (HC).
  • 用以信息人为基础的人际形容词量表 (IAS) 来评估人格,以测量病前和当前的特征.
  • 统计分析包括ANOVA,Kruskal-Wallis,配对t测试和Wilcoxon等级测试,以比较群体之间的性格维度和向量长度,以及随着时间的推移.

主要成果:

  • 在患病前,bvAD,bvFTD和HC组与tAD相比表现出更低的热情和更高的纯真.
  • 症状出现后,bvAD和bvFTD患者的热情,外向和主导程度显著下降.
  • 与tAD和HC相比,bvAD和bvFTD组在症状发作后表现出人格刚性 (矢量长度) 的增加.

结论:

  • bvAD患者与HC和bvFTD有着共同的病前人格特征,与具有较高热度的tAD患者不同.
  • 在疾病发作后,bvAD患者会发展出一种硬的个性,类似于bvFTD中观察到的个性.
  • 这些发现凸显了病前个性在塑造神经退行症诱导的行为现象型中的作用,并表明显著的个性转变并不仅仅是bvFTD.