冲击指数与心声学参数的关联心脏重症监护病房心脏重症监护病房
Meir Tabi1, Mitchell Padkins2, Barry Burstein3
1Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States of America; Jesselson Integrated Heart Center, Shaare Zedek Medical Center, Jerusalem, Israel.
Journal of critical care
|October 27, 2023
概括
心脏重症监护室患者的高冲击指数 (SI) 表明心脏功能和全身血动力学状况恶化. 这种易于测量的比率可以识别需要进一步评估的患者.
科学领域:
- 心脏病学 心脏病学
- 密集护理医学 密集护理医学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 高冲击指数 (SI),即心率 (HR) 与缩血压 (SBP) 的比率,与不良结果有关.
- 了解心脏重症监护室 (CICU) 患者心脏SI升高的血液动力学基础至关重要.
研究的目的:
- 为了调查与高SI相关的血液动力学因素在CICU患者.
- 在此评估中使用2D和多普勒胸间心声学 (TTE).
主要方法:
- 分析了2007-2018年期间在TTE期间的鼻节律中6289次重症监护室入院的情况.
- 在TTE时使用HR和SBP计算SI.
- SI与各种心声回声学血液动力学参数之间的相关性分析.
主要成果:
- 升高的SI与左心室缩功能 (例如LVEF,LV中风工作指数) 和前向流量 (例如LVOT VTI,中风体积) 的下降相关.
- 上升的SI与双心室填充压力增加和右心室功能恶化有关.
- 关键参数,如LV中风工作指数 (r=-0.59) 和LVOT VTI (r=-0.41) 显示与SI的反相关性.
结论:
- 在CICU患者中升高的SI反映了双心脏功能受损和全身血液动力学.
- SI作为一种随时可用的临床标志物,用于识别需要进一步调查的不良血液动力学CICU患者.
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