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Updated: Jul 21, 2026
23:43
Heterotopic Heart Transplantation in Mice
Published on: July 19, 2007
在心脏移植接受者的同情节律
P van de Borne1, N Montano, K Narkiewicz
1Hypertension Clinic, Department of Cardiology, Erasme Hospital, Belgium.
Circulation
|March 30, 1999
概括
心脏移植恢复了肌肉交感神经活动 (MSNA) 的正常低频振荡,尽管没有降低整体MSNA水平. 这表明心力衰竭患者心脏移植后自主调节得到改善.
科学领域:
- 心血管生理学心血管生理学
- 自主神经系统研究 自主神经系统研究
- 移植医学 移植医学
背景情况:
- 肌肉交感神经活动 (MSNA) 和R-R间隔变化在健康个体中表现出低频 (LF) 和高频 (HF) 振荡.
- 在正常受试者中,增加的同情力驱动与增强的LF组件相关.
- 严重的心力衰竭的特点是高的同情活动,但在R-R间隔和MSNA中降低了LF功率.
研究的目的:
- 研究心脏移植是否可以逆转心力衰竭患者的自主调制功能障碍.
- 为了比较心脏移植接受者,心力衰竭患者和健康对照者之间的同情活动概况.
主要方法:
- 静止MSNA,R-R间隔和呼吸的光谱分析.
- 9名心脏移植接受者,9名慢性心力衰竭患者和9名匹配的正常对照对象的比较.
主要成果:
- 与心力衰竭患者和对照人群相比,心脏移植患者的肌肉交感神经活动 (MSNA) 显著增加.
- 在心脏移植接受者和心力衰竭患者与对照者之间,R-R间隔的低频率 (LF) 变异性减少.
- 在心力衰竭患者中,MSNA中的LF变异性几乎不存在,但与心脏移植受体中的对照组相比较.
结论:
- 心脏移植并没有降低整体MSNA.
- 同情活动的低频 (LF) 振荡在移植后恢复.
- 心脏移植患者的MSNA振荡概况与正常人相似,表明恢复了自主调制.
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