俄罗斯儿童的性别和年龄相关心率变化参数的参考范围
Vladimir Shvartz1, Vasily Danilov2, Svetlana Koroleva3
1Bakulev Scientific Center for Cardiovascular Surgery, Rublevskoe Shosse, 135, Moscow, Russia, 121552. shvartz.va@ya.ru.
Scientific reports
|February 12, 2025
概括
5.5-12.5岁儿童心率变化 (HRV) 的参考范围显示年龄和性别特定的模式. 总体而言,HRV参数随着年龄的增长而增加,男孩和女孩之间存在显著差异.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 自主神经系统功能 自主神经系统功能
- 生物医学工程 生物医学工程
背景情况:
- 确定心率变化 (HRV) 的规范性数据对于评估儿科心血管健康至关重要.
- 以前的研究表明HRV的年龄和性别相关变化,但需要对儿童进行全面的参考范围.
研究的目的:
- 在大量健康儿童中建立关键心率变化 (HRV) 参数的参考范围.
- 调查年龄和性别对这些HRV参数的影响.
主要方法:
- 分析了5.5至12.5岁22468名儿童的5分钟心电图 (ECG) 节律图.
- 时间 (SDNN) 和光谱 (LF,HF,VLF,LF/HF比率,TP,LF%,HF%) HRV参数的计算.
- 数据按年龄组和性别分层,以确定趋势和差异.
主要成果:
- 包括SDNN,LF,HF,HF%和TP在内的HRV参数随着年龄的增长而增加,达到8-9岁左右的峰值.
- 在所有年龄段,男孩的SDNN,LF和TP值明显高于女孩.
- 随着年龄的增长,VLF值随着年龄的增长而增加,在男孩中更高;LF%和LF/HF随着年龄的增长而下降,并且没有显著的性别差异.
结论:
- 已经确定了5.5-12.5岁儿童的HRV参数的特定年龄参考范围.
- 在HRV参数中观察到基于性别的显著差异,特别是那些反映同情和副同情活动的参数.
- 这些发现为儿科心血管健康评估提供了有价值的规范性数据.
相关概念视频
Factors Influencing Heart Rate
2.3K
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,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.3K
Regulation of Heart Rates
1.6K
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...
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...
1.6K
Correlation between ECG and Cardiac Cycle
3.3K
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
3.3K
Cardiac Output I:Effect of Heart Rate on Cardiac Output
555
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...
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...
555
Special considerations while measuring pulse
553
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
553
Guidelines For Measuring Vital Signs
1.5K
Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
1.5K


