在输管过程中呼吸暂停氧化疗法的有效性,使用氧化喉镜原型 - - 技术模拟
Wolfgang A Wetsch1,2, Daniel C Schroeder3,4, Susanne J Herff3
1Faculty of Medicine, University of Cologne, Albertus-Magnus-Platz 1, 50931, Cologne, Germany. wolfgang.wetsch@uk-koeln.de.
BMC anesthesiology
|August 14, 2023
概括
在模拟中,修改后的喉镜叶片与尖端或中间的氧气线有效地维持了20分钟的呼吸暂停氧化. 在输管过程中提供最佳的氧气供应对于患者的安全至关重要.
科学领域:
- 麻醉学 麻醉学
- 医疗器械 医疗器械
- 呼吸系统护理 呼吸系统护理
背景情况:
- 之前的一种氧化喉镜原型比标准刀片宽,可能会影响输管.
- 一个新的原型采用了标准尺寸的Macintosh刀片和集成的氧气供应线.
- 为了有效的呼吸暂停氧化,氧气供应线的最佳位置尚不清楚.
研究的目的:
- 为了比较呼吸暂停氧化疗法的有效性,使用修改后的Macintosh喉镜叶片与不同的氧气供应线位置进行了比较.
- 为了确定氧气供应线在喉镜叶片上的理想位置,以便在模拟的呼吸暂停期间提供最佳的氧气.
主要方法:
- 一项模拟研究,使用人体呼吸道人形和连接到氧计的预氧化试验肺.
- 测试了四种喉镜叶片配置:标准和修改,使用靠近,中间和远距离放置的氧气线.
- 呼吸暂停氧化维持了20分钟,并监测氧含量以评估疗效.
主要成果:
- 在室内空气控制和近邻氧线组中,氧气水平显著下降.
- 在中等和远端氧线组中,氧气百分比在20分钟内保持在100%的水平.
- 修改后的叶片中部或尖端有氧线,可以保持最佳的氧化.
结论:
- 经过修改的Macintosh喉镜叶片与位于中间或尖端的氧气供应线有效地保持呼吸暂停的氧化.
- 这些修改后的叶片在模拟的呼吸暂停条件下,在20分钟内防止氧含量有可测量的下降.
- 靠近氧气线的放置提供了一些好处,但并不能完全防止室内空气的入.
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