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临床表现 临床表现

Bruno De Oliveira De Marchi1, Barbara Loeblein Uebel2, Victória Tizeli Souza3

  • 1Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.

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概括
此摘要是机器生成的。

阿波利波蛋白E (APOE) ε4基因,阿尔茨海默病的风险因素,没有显著影响主观认知衰退 (SCD) 个人的认知衰退超过一年. 需要进一步的研究来了解其他影响SCD患者认知轨迹的因素.

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科学领域:

  • 神经科学是一个神经科学.
  • 遗传学 是一个遗传学.
  • 老年学是一门学科.

背景情况:

  • 主观认知衰退 (SCD) 和阿波利波蛋白E (APOE) ε4等位基因是阿尔茨海默病 (AD) 的已知的危险因素.
  • APOE ε4等位基因对SCD患者认知能力下降率的特定影响尚未得到充分证实.
  • 这项研究调查了APOE ε4携带和SCD患者的认知进展之间的关联.

研究的目的:

  • 为了确定携带APOE ε4等位基因的SCD个体在一年内是否表现出比非携带者更高的认知衰退率.
  • 分析APOE ε4状态对SCD群体内认知变化的预测值.

主要方法:

  • 利用了来自BRASCODE队列的数据,包括142名患有SCD的参与者,分为APOE ε4载体 (ε4+) 和非载体 (ε4-).
  • 认知功能使用多个验证的尺度进行评估,包括记忆投诉尺度 (MCS),主观认知衰退尺度 (SCD-S),迷你精神状态检查 (MMSE) 和临床痴呆评分 (CDR) 尺度.
  • 使用线性混合效应模型来评估时间和APOE ε4状态在一年内认知进展之间的相互作用.

主要成果:

  • 在APOE ε4载体和非载体之间,在认知测试结果,睡眠障碍,焦虑或抑郁方面没有观察到统计学上显著的差异.
  • 在APOE ε4+组 (61.9%) 与 ε4组 (42.3%) 相比,在APOE ε4+组中发现了更高的痴呆家族史流行趋势.
  • 线性混合效应模型显示,APOE ε4载体不是SCD患者在一年的随访期内认知衰退的显著预测因素 (p = 0.217).

结论:

  • 尽管APOE ε4是已知的阿尔茨海默病风险因素,但其存在并没有在一年内显著加速SCD患者的认知衰退.
  • 这些发现表明,APOE ε4基因型以外的因素在SCD患者的认知轨迹确定中起着至关重要的作用.
  • 长期观察性研究是有必要的,以充分阐明APOE ε4和SCD群体认知进展之间的关系.