在模拟新生儿通风过程中,面罩施加的力和面罩泄漏之间的关系:一项随机模拟研究
Jacqueline Hannan1, Gary Weiner2, Leia Stirling3,4
1Industrial and Operations Engineering, University of Michigan, Ann Arbor, Michigan, USA jhannan@umich.edu.
概括
在新生儿通风过程中施加的力和口罩泄漏因设备和持有技术而有所不同. 无泄漏的通风是可以实现的低力,建议力量反训练可以提高新生儿复苏的有效性和安全性.
科学领域:
- 新生儿复苏术 新生儿复苏
- 儿童机械通风器的使用
- 医疗模拟 医疗模拟
背景情况:
- 有效的口罩通风对于新生儿复苏至关重要.
- 施加的力和口罩密封是影响通风输送的关键因素.
- 技术的变化可能会影响通风的有效性和安全性.
研究的目的:
- 为了评估在模拟新生儿通风过程中面罩施加力和面罩泄漏之间的关系.
- 为了比较不同的通风装置 (自充气袋和T片) 和口罩持有技术 (单手和双手持有).
- 评估力不对称对口罩密封和通风效率的影响.
主要方法:
- 一项随机交叉模拟研究与24名经验丰富的新生儿医疗保健提供者进行.
- 参与者在一个人形上进行了模拟通风2分钟,使用一只手持的自充气袋 (SIB) 或一只手持或两只手持的T片装置.
- 测量包括施加力 (头下和面部),力不对称性和面具泄漏.
主要成果:
- 头部下面的力量在SIB单手持有时最高,在T片单手持有时最低.
- 随着施加力的增加,口罩泄漏率下降,并且在所有条件下实现了无泄漏的通风,即使在低低的头下力 (<10 N) 下也是如此.
- 在单手和双手握握时都观察到强力不对称,非主导手的侧面施加的力更大.
结论:
- 施加的力和口罩泄漏取决于通风装置和口罩持有技术.
- 无泄漏的新生儿通风可以通过使用SIB或T片装置和各种支架,以相对较低的施加力实现.
- 在培训期间实施强力反可以提高新生儿通风实践的有效性和安全性.
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