Aghadavoudi Omid, Beheshtiparvar Dorsa, Shafa Amir
Department of Anesthesiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
Anesth Pain Med. 2022 Aug 15;12(3):e123205. doi: 10.5812/aapm-123205. eCollection 2022 Jun.
Because of some difficulties during face mask ventilation in unconscious patients, such as upper airway obstruction patients, we conducted this study to compare nasal and face mask ventilation during general anesthesia induction.
In this clinical trial study, 70 patients between 3 and 12 years old undergoing elective lower abdominal surgery with general anesthesia were randomly divided into two groups. After administration of induction agents, one group was ventilated with the face mask and 100% oxygenation in three minutes and the other with the nasal mask. The mean expiratory volume, airway pressure, end-tidal CO (EtCO), blood oxygen saturation (SpO), and hemodynamic factors were recorded and compared in the baseline, two minutes after mask ventilation, and five minutes after intubation.
The mean EtCO in the second minute after ventilation was significantly higher in the nasal mask group than in the face mask group (P = 0.04). However, in the fifth minute after intubation, there was no significant difference between the two groups (P = 0.31). Other factors related to ventilation did not significantly differ between the two groups.
It can be concluded that nasal mask ventilation is as effective as facial mask ventilation. The nasal mask can replace the face mask if there is difficult face mask ventilation or airway obstruction.
由于在为意识不清的患者进行面罩通气时存在一些困难，例如上气道梗阻患者，我们开展了本研究以比较全身麻醉诱导期间的鼻罩通气和面罩通气。
在这项临床试验研究中，70例年龄在3至12岁之间接受择期下腹部手术并全身麻醉的患者被随机分为两组。给予诱导药物后，一组在三分钟内使用面罩进行通气并给予100%氧气，另一组使用鼻罩通气。记录并比较基线、面罩通气两分钟后以及插管五分钟后的平均呼气量、气道压力、呼气末二氧化碳分压（EtCO）、血氧饱和度（SpO）和血流动力学因素。
通气两分钟后，鼻罩组的平均EtCO显著高于面罩组（P = 0.04）。然而，在插管五分钟后，两组之间无显著差异（P = 0.31）。两组之间与通气相关的其他因素无显著差异。
可以得出结论，鼻罩通气与面罩通气一样有效。如果存在面罩通气困难或气道梗阻，鼻罩可替代面罩。
