在心脏性休克患者中,Impella恶性旋转会影响左心室的卸载
Luca Baldetti1, Davide Romagnolo1, Mariagiulia Festi2
1Cardiac Intensive Care Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy.
ESC heart failure
|October 16, 2024
概括
心脏性休克患者的Impella恶性旋转与较差的肺血液动力学和右心室后负荷有关. 这种错位可能表明左心室卸载不足,尽管设备功能正常.
科学领域:
- 心脏病学 心脏病学
- 心血管器械 心血管器械
- 血液动力学 血液动力学
背景情况:
- 被定义为远离左心室顶部的入口方向的Impella恶性旋转,经常在接受Impella支持的患者中观察到.
- 这种错位可能与不利的血液动力学后果有关,特别是在心脏性休克的背景下.
研究的目的:
- 为了研究和描述Impella恶性旋转在患有心脏性休克的患者中的特定血液动力学效应.
主要方法:
- 一组100名心脏性休克患者在Impella支持下接受了心声回声和肺动脉导管评估.
- 确定了Impella不良旋转,并在48小时后将不良旋转和适当放置的设备之间的血液动力学参数进行了比较.
主要成果:
- 在36%的患者中存在Impella恶性旋转,并与显著更高的肺动脉压,肺动脉压力,右心房压力和肺血管阻力有关.
- 转不良的患者也表现出更高的血清乳酸盐水平,更大的左心室末端透析尺寸,以及大动脉吐的频率和严重程度的增加.
- 两组之间没有观察到主要不良结果的显著差异.
结论:
- 在心脏性休克中,Impella恶性旋转与左心室卸载受损有关.
- 这种错位导致肺血液动力学恶化和右心室后负荷增加.
- 这些发现强调了最佳的Impella定位对于有效的血液动力学支持的重要性.
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