确定不同血液储存条件对凝块形成和剪切下消化的影响
Alexei Christodoulides1, Ziqian Zeng1,2, Abigail R Hall1
1Department of Emergency Medicine, Indiana University School of Medicine, Indianapolis, IN, USA.
MedComm - biomaterials and applications
|May 7, 2025
概括
复制的全血 (rWB) 保持凝块强度91天,超过标准的全血 (WB) 储存. 这项研究开发了一种可复制的体外血栓模拟物,用于临床前血栓消毒疗法查.
科学领域:
- 血液学 血液学 血液学
- 生物技术是生物技术.
- 生物物理学的生物物理.
背景情况:
- 了解血液储存对凝血的影响至关重要.
- 对凝块形成和溶解的生理剪切效应还未得到充分研究.
- 现有的模型往往缺乏整体血液成分的复杂性.
研究的目的:
- 在静态和剪切条件下,评估储存时间对复制全血 (rWB) 的静血功能的影响.
- 为了将rWB的凝块强度和血栓溶解与在典型条件下储存的标准全血 (WB) 进行比较.
- 建立一个可复制的体外模型,用于选血栓溶解疗法.
主要方法:
- 全血被分成无血小板血,红细胞和血小板.
- 组件在最佳条件下储存,包括对血小板的冷保存.
- 在91天内进行了对原生比例的复制,随后使用血栓显微镜和钱德勒循环进行了分析.
主要成果:
- 复制的全血 (rWB) 在91天内保持了凝块强度,而存储在4°C的WB则在42日出现下降.
- 在剪切下凝块形成增加了rWB和WB的凝块质量.
- 到第70天,观察到rWB凝块溶解与基线的显著偏差.
结论:
- 分裂和再组合提供了一种方法,可以在体外制造稳定的全血类型.
- 与标准的WB存储相比,rWB显示出对凝块强度的优越保护.
- 这种模型有助于可重复的血栓消毒剂的临床前查.
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