在 carotid endarterectomy 之后的长期认知和神经血管变化
Kristiina Relander1, Marja Hietanen1, Petra Ijäs2
1Neuropsychology, HUS Neurocenter, University of Helsinki and Helsinki University Hospital, Finland.
Journal of the neurological sciences
|April 3, 2024
概括
冠状动脉内关节切除术 (CEA) 可能改善认知,特别是工作记忆,在患有严重冠状动脉狭窄症的患者. 手术前循环功能受损可能预测CEA后的认知益处.
科学领域:
- 神经科学是一个神经科学.
- 血管外科 血管外科
- 认知心理学 认知心理学
背景情况:
- 关于关节内关节切除术 (CEA) 对认知的结果进行了辩论,神经血管机制尚不清楚.
- 之前的研究显示,关于经过CEA后认知能力下降或改善的结果各不相同.
研究的目的:
- 为了研究神经血管指数和经过CEA后的认知变化之间的关系.
- 澄清CEA后认知变化的基础神经血管机制.
主要方法:
- 55名患有严重动脉狭窄症的患者接受了神经心理测试和神经血管评估 (跨骨多普勒) 在CEA前后.
- 评估了认知领域和半球特定功能;与38名健康对照进行了比较.
- 线性混合模型和回归分析评估了认知变化和与神经血管指数的关联.
主要成果:
- 与对照组相比,CEA患者表现出显著的工作记忆的改善;没有观察到认知恶化.
- 更糟糕的手术前脑血管反应,低脉动率指数和较差的血流速度与认知能力的改善相关.
- 在执行功能,两侧认知功能和复杂的注意力方面有所改善.
结论:
- CEA可能会带来长期的认知益处,特别是在手术前血液循环适应机制受损的患者中.
- 神经血管指数与认知变化有关,这表明在CEA后的认知结果中发挥了作用.
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