相关实验视频

Updated: Feb 8, 2026

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology

Published on: September 21, 2018

青少年的心率变异性变化在进行大动脉缩手术纠正后:持续的自主性变化

O V Shevaldova^1,2, A V Kovaleva², A Yu Zavarina¹

¹A.N. Bakulev Center for Cardiovascular Surgery of the Russian Ministry of Health, Moscow, Russia.

Physiological reports

|February 7, 2026

概括

大动脉缩修复后的青少年表现出持续的自主性失调,通过心率变化 (HRV) 表示. 这些发现表明特定领域的重组,而不是完全失去复杂性,有助于长期监测.

科学领域:

心脏病学心脏病学
自主神经科学自主神经科学
儿科健康儿科健康

背景情况:

心率变化 (HRV) 反映了自主神经系统的功能.
大动脉缩 (CoA) 修复至关重要,但长期自主效应需要研究.
青春期是心血管和自主发育的关键时期.

研究的目的:

为了研究青少年在CoA修复后的长期自主调节.
为了比较经过修复的CoA和健康对照的青少年之间的HRV参数.
在这个人群中识别特定的自主性改变模式.

主要方法:

招募了70名青少年 (35名CoA,35名对照,年龄在12-17岁之间).
进行5分钟的休息心电图和呼吸监测.
分析HRV使用时间,频率和非线性方法,调整呼吸速率.

主要成果:

经过修复的CoA组表现出较低的时间域HRV (SDNN,RMSSD,PNN50) 和减少的光谱功率.
在呼吸率调整后,SDNN,RMSSD和LF/HF比率的显著差异仍然存在.
非线性分析显示,在CoA组中,Poincaré图形参数 (SD1,SD2) 降低,分形缩放 (DFA Alpha2) 更高.

结论:

在解剖学上成功的CoA修复并不能完全恢复青少年的自主调节.
改变和保留的HRV特征表明选择性自主重组,而不是统一的复杂性损失.
非线性HRV指数显示出长期监测和个性化康复策略的前景.

关键词:

适应适应适应适应青少年青少年青少年一个大动脉硬化.自主监管自主监管自主监管遗传性心脏病是一种先天性心脏病.心率变化的心率变化.非线性分析是一种非线性分析.康复康复康复康复康复康复

更多相关视频

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions

Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions

Published on: June 5, 2019

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

相关概念视频

Regulation of Heart Rates

Regulation of Heart Rates

The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...

Factors Influencing Heart Rate

Factors Influencing Heart Rate

The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...

Anatomy of the Heart

Anatomy of the Heart

The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.

Distance Corrections

Distance Corrections

To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...

Cardiac Output I:Effect of Heart Rate on Cardiac Output

Cardiac Output I:Effect of Heart Rate on Cardiac Output

Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...

Power Factor Correction

Power Factor Correction

The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.