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阿尔茨海默氏症成像联盟

Ifrah Zawar1, Shen Zm Zhu1, Jaideep Kapur1

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此摘要是机器生成的。

阿尔茨海默氏症的 (AD+Epi) 显示海马体和尾部缩,而非AD痴呆症的 (非AD+Epi) 显示右海马头部,尾部和桃体缩. 这些发现表明 mesial temporal 形态学作为神经成像对痴呆症的相关性.

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科学领域:

  • 神经成像是一种神经成像.
  • 神经学 神经学
  • 痴呆症研究 痴呆症研究

背景情况:

  • 是痴呆症中常见的一种并发症.
  • 在阿尔茨海默病 (AD) 和非AD痴呆症中,神经成像对的相关性尚未得到充分理解.
  • 这项研究调查了与有或没有的痴呆症中 mesial 叶形态.

研究的目的:

  • 探索神经成像中,患者和没有的痴呆症患者之间的叶形态和体积的差异.
  • 在阿尔茨海默病 (AD) 和非AD痴呆症中确定与相关的特定缩模式.
  • 为了确定 mesial 时形态是否可以作为神经成像对痴呆症患者的相关物.

主要方法:

  • 利用来自703名参与者的多中心MRI数据 (阿尔茨海默病中心).
  • 参与者被分类为患有的痴呆症 (AD+Epi,非AD+Epi),没有的痴呆症 (AD-Epi,非AD-Epi) 和健康对照 (HC).
  • 使用FreeSurfer进行细分和ShapeWorks用于点分布模型,以量化海马和杏仁体形态和体积,使用MANCOVA进行统计分析.

主要成果:

  • AD-Epi和非AD-Epi组显示出均的海马和杏仁体缩.
  • AD+Epi组呈现出海马体和尾部的缩,省略了头部,有明显的 mesial/lateral 偏差.
  • 非AD+Epi组在右海马头部,尾部和杏仁体中表现出显著的缩.

结论:

  • 状叶形态,特别是海马体/尾部缩在AD+Epi和右侧缩在非AD+Epi中,作为神经成像对痴呆症的相关.
  • 侧面和特定区域的模式表明会影响痴呆症中神经退行性轨迹.
  • 需要进一步的研究来调查在改变痴呆症进展中的作用.