用ModulHeart心脏脏支装置评估器官血液流量
Gabriel Georges1, François Trudeau2, Jeannot Potvin3
1Department of cardiac surgery, Quebec Heart and Lung Institute, Quebec, Quebec, Canada.
Artificial organs
|October 3, 2023
概括
"ModulHeart"装置是一种新型的大动脉,可以增加小牛的心脏输出和脏血流,而不会影响大脑或心肌输液. 这项研究强调了其提高器官血液流动的潜力.
科学领域:
- 心血管研究的心血管研究.
- 医疗器械工程 医疗器械工程
- 血液动力学 血液动力学
背景情况:
- ModulHeart 是一种新的穿皮流引力,专为下降大动脉设计.
- 这项研究调查了ModulHeart.的血液动力学效应和器官 perfusion 影响.
研究的目的:
- 为了评估ModulHeart支持的血液动力学效应.
- 评估ModulHeart对大脑,心肌和脏血流的影响.
主要方法:
- 模块心脏植入了四只健康的小牛.
- 速度在每分钟14000到22,000转之间,使用微球进行血液动力学测量和器官 perfusion 评估.
主要成果:
- 心脏输出在每分钟22,000转时增加了23%.
- 脏血液流量显著增加 (可达50%的皮质,40%的髓),大脑或心肌血流量没有减少.
- 动脉脉压保持稳定,并观察到显著的压力梯度.
结论:
- ModulHeart有效地增加了动脉压梯度和脏血流.
- 该设备保持稳定的脉冲压力,不会阻碍大脑或心肌输液.
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