在严格的输血期间减轻IV管道中的热损失
1Department of Mechanical and Aerospace Engineering, United States Military Academy, West Point, NY.
概括
在寒冷天气输血期间,通过静脉输液 (IV) 管道发生显著的热量损失. 隔热输液管并缩短其长度可以帮助在严格的环境中为患者保持安全的液体温度.
科学领域:
- 医疗器械 医疗器械
- 热力学是一种热力学.
- 紧急医疗 紧急医疗
背景情况:
- 在严格的环境下,静脉注射 (IV) 管可以在新鲜全血 (FWB) 输血期间引起显著的热量损失.
- 这种热损失可能会导致患者不健康的液体输送温度.
研究的目的:
- 在严格的输血期间,通过静脉输管量化热量损失.
- 提出减轻热量损失的减缓策略,例如隔热和减少管道长度.
主要方法:
- 在环境室中进行了实验,以测量输液管道的进出口处的流体温度和流量.
- 环境温度被系统地从20°C降低到-39°C,以模拟寒冷的条件.
主要成果:
- 在20°C环境温度下测量热损耗为40.9 (SD 3.4) W.
- 在-39°C环境温度下,热损耗增加到168 (SD 17.4) W.
结论:
- 在寒冷,严格的环境中,通过输液管道发生大量的热损失.
- 数学建模表明,隔热和更短的管道长度可以有效地减轻输血期间的热损失.
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