Alzheimer Dementia:血浆置换加白蛋白明显改善老年痴呆患者记忆力和生活质量!

2021-11-07 MedSci原创 MedSci原创

PE治疗的AD患者在记忆力、语言能力、处理速度和QoL-AD方面都有改善。

阿尔茨海默病(AD)的特点是脑损伤和神经元丧失,导致偶发性记忆丧失以及其他认知障碍,包括注意力、注意力、视觉空间能力、心理处理速度、执行功能、言语流畅性以及言语和语言技能方面的缺陷。

随着AD的发展,这些认知症状的恶化在严重程度和频率方面都会加快,这可能导致患者、护理人员和家庭成员被社会排斥,生活质量下降。现有批准的AD治疗方法是对症的,旨在通过调节神经传递--NMDA受体拮抗剂来暂时减缓症状的发展。

近期,来自西班牙记忆诊所的专家开展了一项研究,报告了血浆置换(PE)与白蛋白置换对轻度至中度阿尔茨海默病(AD)患者的神经心理学、神经精神学和生活质量(QoL)结果的影响,这是一项2b/3期试验(阿尔茨海默病白蛋白置换管理[AMBAR]研究)。结果发表在Alzheimer Dementia杂志上。

347名患者被随机分为安慰剂(假PE)和三个PE治疗组,分别使用低/高剂量的白蛋白,同时/不使用静脉注射免疫球蛋白(IVIG)。在基线、第2个月(每周一次的常规PE)、第6、9和12个月(每月一次的低容量PE[LVPE])和第1个月进行具体的测试测量。

结果显示,在第14个月时,经PE治疗的轻度AD患者的语言流畅性和处理速度较安慰剂有所提高(效果大小:>100%;P值:0.03-0.001)。中度AD队列明显改善了短期言语记忆(效果大小:94%->100%;P值:0.02-0.003)。PE治疗的神经精神症状的进展与安慰剂相似。轻度AD患者的QoL有所改善(P值:0.04-0.008)。

AD患者的Rey听觉言语学习测试得分变化

综上,PE治疗的AD患者在记忆力、语言能力、处理速度和QoL-AD方面都有改善。但并没有观察到他们的心理情感状态的恶化。

 

参考文献:

Neuropsychological, neuropsychiatric, and quality-of-life assessments in Alzheimer's disease patients treated with plasma exchange with albumin replacement from the randomized AMBAR study. https://doi.org/10.1002/alz.12477

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    2022-07-29 yxch48
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    2021-11-09 珙桐
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    2021-11-07 neuro.Dr

    老年性痴呆,未来还是希望借助神经电生理吧,也许更为有效!

    0

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