在实验室中,BiVACOR全人工心脏在连续和脉冲性流动中的血液兼容性
Antony P McNamee1, Daniel Timms2, Frank Nestler2
1Biorheology Research Laboratory, Griffith University, Gold Coast, Australia.
Artificial organs
|September 17, 2025
概括
在体外,BiVACOR的整体人工心脏 (TAH) 与参考具有可比的血液相容性. 这种新设备有效地支持血液循环,而不会显著影响血液参数,无论流动模式如何.
科学领域:
- 生物医学工程 生物医学工程
- 心血管研究研究心血管研究
- 医疗器械 医疗器械
背景情况:
- 心脏移植受限于供体器官的可用性.
- 机械循环支持装置是晚期心力衰竭的关键替代品.
- BiVACOR的全人工心脏 (TAH) 使用一种新型离心旋转器设计,可以提供全心脏替代.
研究的目的:
- 为了评估BiVACOR的TAH的体外血红相容性.
- 为了比较连续流 (CF) 与脉动流 (PF) 模式中的血液相容性.
- 为了评估血液兼容性与临床批准的参考相比.
主要方法:
- 牛血在体外循环中以5L/分钟和100mmHg的速度在6小时内循环.
- 在CF和PF模式下测试TAH,并与CentriMag参考进行比较.
- 血液分析包括血液学,血自由血红蛋白和·维勒布兰德因子 (vWF) 多度量.
主要成果:
- 在TAH (CF和PF) 和参考之间,正常化血液溶解指数是可比的.
- 基本血液学和vWF多元仪显示线性变化,但在流动模式或设备之间没有显著的变化.
- 血液溶解水平较低,表明TAH具有良好的血液相容性.
结论:
- 在体外,BiVACOR的TAH显示出与临床批准的参考相比的血液兼容性.
- 该设备有效地支持全身和肺循环.
- 脉动性流动不会对血红相容性产生负面影响,这表明它适合未来的应用.
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