无针连接器和插入的导管对通过血管导入的流速的影响
Alan M Smeltz1, Dillon S Patel1, James H Williams1
1Department of Anesthesiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Anaesthesia and intensive care
|April 22, 2024
概括
在使用无针连接器或导管时,血管导入可以显著降低流体流量. 这阻碍了快速的液体输送,在高流量至关重要时需要替代的血管接入.
科学领域:
- 医疗器械 医疗器械
- 血管接入 血管接入
- 流体动力学 流体动力学
背景情况:
- 血管导入膜对于临床环境中的快速体积更换至关重要.
- 常见的程序补充,如无针连接器和导管插入,可能会损害的流量容量.
研究的目的:
- 量化无针连接器和导管放置对通过血管导入的流体流速的影响.
- 为了评估引入器罩在各种配置下快速输送液体的有效性.
主要方法:
- 使用快速输注器,通过8.5 Fr和9 Fr的导入输送正常盐水.
- 经过测试的外套配置,带有和没有无针连接器.
- 评估的流量与不同的尺寸的导管插入通过.
主要成果:
- 在没有电阻元件的情况下,达到1000mL/min的最大流量.
- 无针连接器大大降低了流量,达到61-64毫升/分钟.
- 导管插入进一步降低了流量,从74毫升/分钟到649毫升/分钟,取决于外套和导管大小.
结论:
- 无针连接器和导管的使用显著阻碍了通过血管导入的流量.
- 即使是大孔罩也可能变得无效,以快速输送流体.
- 临床医生必须考虑这些流量限制,并寻求替代的血管接入,当快速的流体管理是必不可少的.
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