暴露于膜氧化器的血液中的血栓凝聚素水平的变化
Masashi Tagaya1, Shinya Okano1, Takuo Murataka1
1Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan.
Asian cardiovascular & thoracic annals
|March 17, 2025
概括
对暴露于膜氧化器的血液进行血栓凝聚力学 (TEG) 监测显示,静血功能保持长达12小时. 涂层类型对体外循环 (ECC) 期间TEG结果的影响最小.
科学领域:
- 生物医学工程 生物医学工程
- 血液学 血液学 血液学
- 心血管外科心血管外科
背景情况:
- 血栓形成显微镜 (TEG) 评估血液静止能力,并用于监测体外循环 (ECC) 期间的凝血.
- 对于ECC暴露对TEG参数的独立影响仍然不完全理解.
- 研究膜氧化器电路对血液凝固的影响对于患者安全至关重要.
研究的目的:
- 为了确定体外暴露于膜氧化剂对全人血液中TEG水平的影响.
- 评估不同膜涂层类型 (聚合物,肝素,非涂层) 如何随着时间的推移影响TEG参数.
主要方法:
- 来自健康志愿者的肝素化全血通过聚合物涂层,肝素涂层 (HC) 或非涂层 (NC) 膜氧化器的ECC电路循环.
- 血液循环后3,6,12和24小时进行了血栓形成显微镜 (TEG) 测试.
- 在TEG分析之前,血液样本被用质氨酸逆转;统计分析包括ANOVA.
主要成果:
- 化高与肝酶反应时间 (CKHR) 缩短为6小时和12小时,然后延长为24小时.
- 化高与肝酶最大幅度 (CKHMA) 从6小时增加到12小时.
- 在6小时后,HC和NC之间发现了CKHR的显著差异,但其他涂层比较没有显著意义.
结论:
- TEG数据表明,在ECC电路中暴露在膜表面12小时后,血液的静血能力保持不变.
- 不同的膜涂层类型对TEG结果的影响需要进一步研究.
- 在ECC期间,TEG仍然是监测凝血状态的宝贵工具.
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