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相关概念视频

Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

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The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
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Autoregulation of Blood Flow01:17

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Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
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相关实验视频

Updated: Jul 3, 2025

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry
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大脑微血管病变和自主神经功能障碍之间的相关性分析.

Na Liu1, Hongmin Wang1, Bing Han1

  • 1Department of Neurology, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.

Brain and behavior
|February 10, 2024
PubMed
概括

大脑微血管病变与自主神经系统功能障碍有关,特别是在患有白血病和认知能力下降的老年患者中. 诸如血压变化和心率变化等因素显著影响这种关联.

关键词:
自主功能障碍的自主功能障碍.大脑微血管病变大脑微血管病变相关性 相关性 相关性

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Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
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Application of Granger Causality Analysis of the Directed Functional Connection in Alzheimer's Disease and Mild Cognitive Impairment
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科学领域:

  • 神经学 神经学
  • 心脏病学 心脏病学
  • 内部医学 内部医学

背景情况:

  • 大脑微血管病变 (CM) 是神经学实践中常见的发现.
  • 自主神经功能障碍 (AND) 可以与CM共存,但这种关系尚未完全理解.

研究的目的:

  • 研究大脑微血管病变与自主神经功能障碍之间的相关性.
  • 为了确定具有同时自主功能障碍的患者中CM的影响因素.

主要方法:

  • 分析了162名住院的CM患者.
  • 患者根据自主症状概况 (ASP) 评分对患者进行了分类.
  • 进行了皮尔森相关性和回归分析.

主要成果:

  • 群体之间的显著差异包括年龄,白血病,认知功能以及各种心血管和自主标志物.
  • 年龄,白血病,认知功能,血尿酸,同氨酸,血压变化 (24小时,白天,夜间SBPSD) 和心率变化 (SDNN,RMSSD,HF,LF) 与CM和AND有关.
  • 高血压,SDNN,RMSSD,HF和LF与ASP得分和SSR呈现负相关性,而年龄,白血病,认知功能,血液尿酸和Hcy呈现正相关性.

结论:

  • 年龄,白血病,认知功能,血液尿酸,同氨酸,血压变化和心率变化是与CM和AND相关的关键因素.
  • 这些因素显著影响了CM患者自主功能障碍的存在.