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相关概念视频

Pulse rhythm01:30

Pulse rhythm

785
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
785

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相关实验视频

Updated: Jun 24, 2025

Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice
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在心脏手术中持续监测右心室压力.

André Denault1, Etienne J Couture2, Tjorvi Perry3

  • 1Department of Anesthesiology, Montreal Heart Institute, Université de Montréal, Montreal, Quebec, Canada.

Journal of cardiothoracic and vascular anesthesia
|June 11, 2024
PubMed
概括

在心脏手术期间,右心室压力梯度和压力升高是常见的. 然而,这些早期测量并不能预测手术后的右心室功能障碍或衰竭.

关键词:
心脏麻醉学心脏麻醉学心脏外科手术的心脏手术血液动力学 血液动力学血液动力学监测 血液动力学监测右心室的右心室.监测右心室压力 监测右心室压力

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科学领域:

  • 心脏病学 心脏病学
  • 心脏外科手术 心脏外科手术
  • 临界护理医学 临界护理医学

背景情况:

  • 右心室 (RV) 功能障碍是心脏手术中的重要并发症,增加了发病率和死亡率.
  • 不正常的RV功能可以通过RV压力监测来检测.
  • 早期识别RV异常对于患者的结果至关重要.

研究的目的:

  • 为了确定异常的右心室透气压梯度 (RVDPG) 和右心室终端透气压 (RVEDP) 在心肺绕道术 (CPB) 之前和之后的患病率.
  • 评估CPB前RVDPG是否预测CPB分离困难,RV功能障碍或RV故障.
  • 评估RVDPG和RVEDP在识别RV功能障碍方面的诊断效用.

主要方法:

  • 在第三级护理心脏研究所进行的前性研究.
  • 涉及心脏外科手术的患者接受各种手术.
  • 对RVDPG和RVEDP的自动电子量化,与过食道心声学和术后结果相关联.

主要成果:

  • 在基线80%的患者中观察到异常的RVDPG.
  • 患者在CPB启动前 (50.2%) 和CPB分离后 (60.6%) 经常经历RVDPG升高.
  • 在CPB前的RVDPG与难以分离CPB,RV功能障碍或RV失败无关.

结论:

  • 在心脏手术患者中,RVDPG和RVEDP的升高很普遍.
  • 在CPB前的RVDPG和RVEDP不能预测术后的RV功能障碍或失败.
  • RVDPG和RVEDP可以作为RV功能障碍和故障的诊断指标.