在模拟新生儿复苏期间,以体积为目标的口罩通风
Brenda Hiu Yan Law1,2, Georg M Schmölzer3,2
1Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada.
Archives of disease in childhood. Fetal and neonatal edition
|September 29, 2023
概括
与T片通风相比,体积向通风 (VTV-PPV) 在新生儿复苏模拟中显著减少了口罩泄漏和改善了潮体积传递. 这种方法为掩盖正压通风 (PPV) 提供了更一致的方法.
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
- 呼吸系统支持 呼吸系统支持
背景情况:
- 在分娩室的口罩正压通风 (PPV) 通常使用设定的峰值通胀压力.
- 独立的呼吸功能监测器 (RFMs) 用于帮助口罩PPV.
- 基于呼吸机的体积向通风 (VTV) 是新生儿重症监护室 (NICU) 的标准.
研究的目的:
- 为了在新生儿模拟环境中比较基于呼吸机的体积向口罩通风 (VTV-PPV) 与T片PPV,有或没有RFM指导.
- 评估VTV-PPV在减少面罩泄漏和确保一致的潮体积传递方面的有效性.
主要方法:
- 一个前性的,随机的,交叉模拟研究.
- 在新生儿复苏方面接受过培训的医疗保健专业人员 (HCP) 在一个人形上进行了面具通风.
- 干预包括VTV-PPV,带有RFM可见的T片PPV和带有RFM掩盖的T片PPV.
主要成果:
- 32名医疗人员参与了模拟.
- 与T片方法 (82%或81%) 相比,VTV-PPV显著降低了面具泄漏率 (11%) (p<0.0001).
- 交付的潮体积 (VT) 较高,并且与VTV-PPV (4.1毫升/千克) 相比,与T片方法 (2.1毫升/千克或1.8毫升/千克) (p=0.0496) 更一致. 峰值通胀压力 (PIP) 在VTV-PPV中也较低.
结论:
- 在新生儿模拟过程中,基于风扇的VTV-PPV在减少口罩泄漏方面表现出卓越的性能.
- 与传统的T片通风方法相比,VTV-PPV促进了一致的潮体积传递.
- 这项研究表明,VTV-PPV是新生儿口罩通风的有希望的方法.
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