Comparison of the Performance of Mask Ventilation Between Face Masks With and Without Air Cushion

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Purpose: Mask ventilation is a basic technique for induction of anesthesia. In head and neck surgery, we have encountered difficulty in ventilation owing to facial deformities. Recently, a new type of face mask without an air cushion, the QuadraLite face mask (Intersurgical, Berkshire, UK), was developed. The aim of this study was to compare the performance of cases with predicted difficult mask ventilation between the new type of face mask and a traditional face mask. Patients and Methods: This study was a crossover prospective study. The participants were patients (aged > 18 years) who underwent oral-maxillofacial surgery under general anesthesia. The risk factors for a difficult airway were assessed. Patients were divided into 3 risk groups: low risk, 0 or 1 risk factor for predicted difficult mask ventilation; medium risk, 2 or 3 risk factors; and high risk, 4 or more risk factors. An air cushion face mask (Koo Medical, Shanghai, China) and the QuadraLite face mask were applied in turn under the setting of pressure-controlled ventilation. The expiratory tidal volumes were compared between these face masks. Results: A total of 48 patients were included: 16 in the low-risk group, 16 in the medium-risk group, and 16 in the high-risk group. Higher expiratory tidal volumes were observed with the QuadraLite face mask than with the air cushion face mask, although the differences did not reach the statistically significant level: 574.3 ± 62.7 mL versus 553.1 ± 60.6 mL in the low-risk group (P = .44), 553.1 ± 112.9 mL versus 536.4 ± 114.2 mL in the medium-risk group (P = .38), and 560.0 ± 98.6 mL versus 548.2 ± 07.1 mL in the high-risk group (P = .22). In all cases, a sufficient ventilation volume was obtained by the QuadraLite face mask. Conclusions: The QuadraLite face mask is compact because there is no air cushion, and it can provide sufficient mask ventilation as well as a traditional face mask with an air cushion even in patients with a difficult airway.

本文言語英語
ページ(範囲)2465.e1-2465.e5
ジャーナルJournal of Oral and Maxillofacial Surgery
77
12
DOI
出版ステータス出版済み - 12 2019

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

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