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相关概念视频

Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.

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相关实验视频

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Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
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评估前部循环中风中血栓切除术后有效连接性的变化.

Jiaona Xu1, Weiwei Chen2, Guozhong Niu3

  • 1Department of Rehabilitation, Affiliated Hangzhou First People's Hospital, Westlake University School of Medicine, Hangzhou, China.

Annals of clinical and translational neurology
|October 5, 2024
PubMed
概括

急性缺血性中风 (AIS) 患者在机械血栓切除术 (MT) 后显示出大脑连接的改变. 尾状核在MT后的皮质 - 基底 - thalamic - 皮质通路内的功能重塑中发挥着关键作用.

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科学领域:

  • 神经科学是一个神经科学.
  • 放射学 放射学是一门学科.
  • 神经学 神经学

背景情况:

  • 格兰杰因果分析 (GCA) 和低频波动幅度 (ALFF) 是评估大脑功能的既定方法.
  • 了解急性缺血性中风 (AIS) 的功能性改变对于有效的治疗和恢复至关重要.

研究的目的:

  • 通过使用GCA和ALFF研究前循环封闭后机械血栓切除术 (MT) 的AIS患者的有效连接性 (EC) 变化.
  • 探索EC,ALFF和AIS患者的临床结果之间的关系.

主要方法:

  • 分析了43名AIS患者和37名健康对照者的休息状态功能磁共振成像 (rs-fMRI) 数据.
  • 计算了ALFF和GCA;患者根据预后和输液分组.
  • 组之间比较了EC和ALFF差异,并评估了与临床数据的相关性.

主要成果:

  • 与对照人群相比,AIS患者在MT后的前,状环和尾状环中表现出改变的ALFF.
  • 观察到EC的显著变化,特别是涉及尾状核, perfusion组之间的显著差异.
  • 欧共体值与国家卫生研究院中风量表 (NIHSS) 评分相关.

结论:

  • 尾状核在MT后的AIS患者的功能重塑中起着核心作用,显示出改变的输入/输出模式.
  • 这些发现突显了中风干预后皮质-基底 - 甲状腺-甲状腺-皮质通路内的动态变化.