副交感调节与童年时的巴罗反射灵敏度和正静压力反应相关
Chaima El Khadiri1,2, Plamen Bokov3, Benjamin Dudoignon3
1Department of Physiology, AP-HP, Robert Debré Hospital, Paris, France.
American journal of hypertension
|February 20, 2025
概括
童年心肺管巴罗反射失效和过度的正静压力反应与自主神经系统功能障碍有关. 这项研究强调缺陷的副交感调制是关键因素,无论具体情况如何.
科学领域:
- 心血管生理学心血管生理学
- 自主神经系统功能自主神经系统功能
- 儿科卫生保健 儿科卫生保健
背景情况:
- 儿童心回复 (CVBR) 功能障碍和过度的正静压力反应是成人高血压的危险因素.
- 了解儿童这些疾病的决定因素对于早期干预至关重要.
研究的目的:
- 评估儿童CVBR失败的决定因素.
- 评估导致儿童过度静态压力反应的因素.
- 研究小儿群体中自主功能障碍和心血管反应之间的关系.
主要方法:
- 一项病例对照研究根据年龄和性别对应了四组儿童:先天性中央低通风综合征,慢性脏病,状细胞疾病和健康对照.
- 评估包括度测量,连续血压 (BP) 和ECG监测在仰卧和站立的位置.
- 分析涉及门诊血压监测,心率变化指数,巴罗反射灵敏度 (BRS) 和静态静态血压血压反应计算.
主要成果:
- 仰卧和站立的BRS与大动脉缩血压,白天缩血压和低频和高频的心率变化功率有显著的相关性.
- 静态血压反应与站立的BRS和高频规范单位 (HFnu) 有显著的相关性.
- 多变量分析确定高频功率与BRS独立相关,HFnu和BRS与静态压力反应相关.
结论:
- 缺陷的副交感调制会对儿童的巴罗反射灵敏度和静止压力反应产生不利影响.
- 这些影响是显而易见的,无论底层的儿科病理.
- 这些发现强调了副交感功能在儿童时期心血管调节中的重要性.
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