A comparison of i-gel™ and Laryngeal Mask Airway Supreme™ during general anesthesia in infants

Yoon Chan Lee, Kyoung Seop Yoon, Sang Yoong Park, So Ron Choi, Chan Jong Chung, Yoon Chan Lee, Kyoung Seop Yoon, Sang Yoong Park, So Ron Choi, Chan Jong Chung

Abstract

Background: The i-gel™ (i-gel) and Laryngeal Mask Airway Supreme™ (LMA Supreme) have been safely used in children. We compared the airway performance of the i-gel and LMA Supreme in infants undergoing general anesthesia.

Methods: Sixty infants with American Society of Anesthesiologists physical status I or II were randomly assigned to place either the i-gel or the LMA Supreme. The size 1 or 1.5 of each airway was selected by the weight of infants. The primary outcome variable was oropharyngeal leak pressure (OLP). We also assessed insertion success rate, insertion time, fiberoptic view of the larynx, airway quality, airway manipulations, and perioperative complications.

Results: Demographic data did not differ between the two groups. Insertion success rate was similar in both groups. OLP for the i-gel (26.0 ± 3.8 cmH2O) was higher than for the LMA Supreme (23.7 ± 3.2 cmH2O) (P = 0.016). Insertion time for the i-gel (16.4 ± 2.8 s) was shorter than for the LMA Supreme (18.5 ± 2.7 s) (P = 0.002). There were no differences in fiberoptic view of the larynx, airway quality, airway manipulations, and complications between the two groups.

Conclusions: This study demonstrated that the i-gel and LMA Supreme provided a similar performance of airway in infants. Compared with the LMA Supreme, the i-gel provided shorter insertion time and higher OLP in infants.

Keywords: Infant; Laryngeal masks; i-gel.

Figures

Fig. 1. CONSORT flow diagram.
Fig. 1. CONSORT flow diagram.

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