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在左主干预中高输出机械循环支持:红色提高高风险PCI首次对人类进行研究

Ehud Schwammenthal¹, Irakli Gogorishvili², Horst Sievert³

¹Sheba Medical Center, Tel HaShomer & Magenta Medical Ltd., Kadima, Israel.

JACC. Cardiovascular interventions

|December 26, 2024

概括

在首次对人类进行的研究中,Magenta Elevate设备安全地支持高风险皮肤冠状动脉干预 (HR-PCI). 它在左侧主要遮时提供了血液动力学支持,保持正常的血压.

科学领域:

心血管干预心血管干预
医疗器械技术医疗器械技术
血动力学支持血动力学支持

背景情况:

马根塔Elevate是一款9法式,自扩张,导管安装的,旨在提供暂时的血液动力学支持.
它通过10法式股骨导入器传递到左心室 (LV),能够支持心脏输出.
该设备旨在在复杂的心脏手术过程中提供循环辅助.

研究的目的:

评估使用Elevate设备用于高风险皮肤冠状动脉干预 (HR-PCI) 的可行性和结果.
为了评估Elevate系统在长时间的左主 (LM) 冠状动脉封闭期间的血液动力学影响.
这项首次对人类进行的研究重点是对具有挑战性的患者群体的安全性和有效性.

主要方法:

14名患者接受了HR-PCI,由Elevate设备支持.
8名患者经历了20次长时间的气球封闭 (39±16秒) 不受保护的LM.
血液动力学参数包括大动脉压力和透气压差 (dΔP_AoLV) 被监测.

主要成果:

没有观察到与设备相关的重大不良事件或30天死亡率.
长时间的LM闭塞显示了静脉动脉压的显著下降,但静脉动脉压的增加.
平均动脉压 (MAP) 和dΔP_AoLV保持在正常范围内,尽管在13次闭塞中发生了心室动脉脱.

结论:

在这项初步人类研究中,Magenta Elevate是安全的,在HR-PCI期间提供显著的心脏支持.
该装置在长时间的LM闭塞期间有效地卸载左心室.
它保持正常的MAP和dΔP_AoLV,表明其对复杂的干预程序的潜力.

关键词:

左心室衰竭是什么意思机械循环支持机械循环支持通过皮肤进行冠状动脉干预.室腔辅助器件可以帮助心室.室腔卸载室腔卸载

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