在急性中风中通过经多普勒对神经血管合的评估可能对长期认知状态有信息
Juliana Ferreira1, Frederica Alves2, Tiago Pedro3
1Department of Clinical Neurosciences and Mental Health, UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal.
概括
缺血性中风后的神经血管合 (NVC) 状态预测长期认知障碍. 低和高的NVC反应都与12个月后更差的认知结果有关.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 心血管研究研究心血管研究
背景情况:
- 认知障碍是缺血性中风的常见后果.
- 对中风后长期认知结果的预测标记对于有针对性的干预措施至关重要.
- 神经血管合 (NVC) 反映了大脑在应对神经活动时调节血流的能力.
研究的目的:
- 为了确定神经血管合 (NVC) 状态在缺血性中风的急性阶段预测长期认知障碍.
- 为了研究NVC数量与中风后12个月的认知状态之间的关系.
主要方法:
- 对144名没有先前认知缺陷的急性缺血性中风患者进行前性研究.
- 在中风后72小时内进行跨骨多普勒 (TCD) 监测,通过对视觉刺激的最高脑血速 (CBv) 响应来测量NVC.
- 认知状态在12个月后使用7分认知量级进行评估;包括40个年龄,性别和血管风险因子匹配的对照.
主要成果:
- 在12个月的NVC大小和认知结果之间观察到U形的关联.
- 与基准五分之一相比,NVC大小的最低和最高五分之一中的患者表现得显著较差的认知分数.
- 对于NVC反应的两个极端 (p < 0.01和p = 0.04) 发现了统计学意义.
结论:
- 使用TCD进行急性期NVC评估可以预测缺血性中风后的长期认知障碍.
- 减少和夸张的NVC反应都与较差的认知结果有关.
- NVC状态提供了一个潜在的生物标志物,用于识别患有认知衰退风险的中风患者.
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