在患有充血性心力衰竭的患者中,内源性ouabain度升高
S S Gottlieb1, A C Rogowski, M Weinberg
1Department of Medicine, University of Maryland School of Medicine, Baltimore 21201.
Circulation
|August 1, 1992
概括
内源性ouabain水平在心力衰竭患者中升高,与心脏功能降低相关. 这表明内源性乌阿巴因在人体平衡中发挥了作用,独立于液体体积.
科学领域:
- 心脏病学 心脏病学
- 内分泌学 在内分泌学.
- 生理学 生理学 生理学
背景情况:
- 一种类似哺乳动物数字的化合物已经被理论化,最近在人体血中发现了ouabain.
- 充血性心力衰竭 (CHF) 患者可能存在内源性氨酸水平的变化.
- 由于其潜在的临床意义,研究内源性Ouabain在CHF中的病理生理学至关重要.
研究的目的:
- 在患有充血性心力衰竭的患者中评估内源性ouabain的病理生理学.
- 在CHF患者和对照人群中确定血ouabain度.
- 评估ouabain水平和CHF中的血液动力学参数之间的关系.
主要方法:
- 血ouabain度使用免疫试验进行测量.
- 包括51名心力衰竭患者和19名对照患者.
- 分析了ouabain水平与心脏指数,平均动脉压和填充压力之间的相关性.
主要成果:
- 与对照组相比,心力衰竭患者的血ouabain度显著增加.
- 奥阿巴因水平与心脏指数和平均动脉压相反相关.
- 在ouabain和左心室填充或右心房压力之间没有发现相关性,也没有与功能.
结论:
- 体积状态不是CHF中ouabain度的主要决定因素.
- 在CHF患者中内源性ouabain的升高表明它可能是显著的恒温因子.
- 这些发现暗示了内源性乌阿巴因在调节人类心血管功能的作用.
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