固态食道压力传感器用于估计腹腔压力:一个长椅和第一次在人体验证研究
Julien P van Oosten1, Nico Goedendorp2, Amne Mousa3,4
1Intensive Care, Erasmus Medical Center, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands. j.vanoosten@erasmusmc.nl.
一种新的固态食道压力传感器在实验室测试,健康志愿者和重症监护室患者中表现出与传统方法相提并论的准确性. 这一创新可能会加强在重症监护机构的高级呼吸监测.
科学领域:
- 关键护理医学 关键护理医学
- 呼吸系统生理学 呼吸系统生理学
- 医疗器械技术 医疗器械技术
背景情况:
- 消化管压力 (Pes) 测量指导了ICU中的机械通风,使用气球导管作为临床标准.
- 传统的Pes测量需要复杂的校准,容易受到各种影响因素的影响.
- 固态压力传感器为克服当前方法的局限性提供了一个潜在的替代方案.
研究的目的:
- 评估一种新型固态食道压力传感器 (Pes) 的准确性.
- 测试假设Pes固体的测量不低于校准食道气球导管 (Pesbal) 的测量.
主要方法:
- 绝对和相对Pes固体测量与参考压力的比较.
- 在15名健康志愿者和16名机械通风ICU患者同时测量Pes固体和Pes球体.
- 布兰德-阿尔特曼分析使用混合效应建模与引导来确定偏差和协议的极限 (LoA).
主要成果:
- 长椅研究显示,对绝对压力的偏差很小,对Pes固体的压力波动没有偏差.
- 在健康的志愿者中,Pes固体的偏差分别为1.59,-2.32和3.91cmH2O,分别为呼吸末端,吸入末端和ΔPes.
- 在ICU患者中,Pes固体显示出低偏差 (≤0.47cmH2O) 和LoA ≤2cmH2O在受控通风期间的静态测量.
结论:
- 固态压力传感器在实验室,志愿者和患者研究中表现出很好的准确性.
- 这些发现支持Pes固体对于高级呼吸监测的潜力.
- 这项技术可以促进食道压力监测在临床实践中的更广泛实施.
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