相关实验视频

Updated: Jun 2, 2025

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

Published on: June 18, 2021

皮肤交感神经活动和心电图变化在下大脑下出血后之间的关联

Yoichiro Nakagawa¹, Takashi Kusayama^1,2, Sho Tamai³

¹Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Ishikawa, Japan.

Physiological reports

|January 14, 2025

概括

副arachnoid出血 (SAH) 导致交感神经系统过度活跃,影响心脏再极化. 皮肤交感神经活动 (SKNA) 监测可能有助于预测SAH患者的不良结果.

科学领域:

心脏病学心脏病学
神经学神经学
自主神经科学自主神经科学

背景情况:

副arachnoid出血 (SAH) 与自主失调和心脏复极化异常有关.
自主功能障碍与SAH后心电图变化之间的确切关系需要进一步阐明.

研究的目的:

在SAH患者中测量皮肤交感神经活动 (SKNA).
为了研究SKNA和心电图 (ECG) 变化之间的关联,特别是T峰到终点 (Tp-e) 间隔,在SAH之后.

主要方法:

在三个阶段记录了SAH患者的179个SKNA数据点.
与20名对照患者的SAH患者数据进行了比较.
利用线性混合模型来分析Tp-e间隔和SKNA之间的关系.

主要成果:

在SAH后的急性阶段,与对照组相比,观察到明显延长的Tp-e间隔和增加的非爆发SKNA振幅.
在SAH患者中,低频率与高频率 (HF) 的比率下降.
SKNA与Tp-e间隔有显著的关系,HF振荡的增加与延迟的脑缺血相关.

结论:

在SAH之后的过渡性交感性失调有助于心脏再极化受损.
SKNA测量显示了作为监测SAH患者和预测不良结果的方法的潜力.

关键词:

大脑心脏的相互作用.电心电图 (ECG) 是一种心电图.再极化异常的异常情况.皮肤同情神经活动.脑下关节下部出血

更多相关视频

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage

Published on: August 30, 2020

Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies

Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies

Published on: November 19, 2020

相关概念视频

Sympathetic Activation

Sympathetic Activation

The sympathetic division can influence tissues and organs by releasing norepinephrine at peripheral synapses and distributing epinephrine and norepinephrine through the bloodstream. In times of crisis or stress, sympathetic activation occurs, which is regulated by sympathetic centers in the hypothalamus. As a result, sympathetic activation prepares the body for physical exertion, rapid ATP production, and heightened alertness, allowing individuals to respond effectively to challenging or...