Retraction:Comparison of the clinical performance of the i-gel

Abstract

Background: Supraglottic airway devices (SADs) are routinely used for securing the air-way. In this study, the clinical performance of three SADs in adult patients under general anesthesia was compared. Methods: American Society of Anesthesiologists physical status I–III subjects were ran-domly assigned to the i-gel™ (I), LMA Supreme™ (L), or Ambu AuraGain™ (A) group (30 per group). The primary objective of this study was to compare insertion times. Addi-tionally, the ease of insertion, number of attempts, oropharyngeal leak pressure (OLP), airway maneuver requirement, difficulty with gastric tube placement, and complications were assessed. Results: Demographic data did not differ between the groups. Group I (16.9 ± 4.9 s) had a significantly shorter time of insertion than Group L (19.6 ± 5.2 s) and Group A (22.1 ± 5.7 s) (P = 0.001). The OLP for Group A (29.8 ± 3.0 cmH2O) was higher than those for Group L (24.1 ± 6.3 cmH2O) and Group I (9.4 ± 6.1 cmH2O) (P < 0.001). The number of insertion attempts (P = 0.232), ease of insertion (P = 0.630), airway maneuver requirement (P = 0.585), difficulty with gastric tube placement (P = 0.364), and complications (P = 0.873) were not significantly different between the groups. Conclusions: All three devices are convenient and effective for airway management in adults under general anesthesia. However, the shorter insertion time required for the i-gel may make it more suitable for resuscitation and emergencies, while aspiration risk may be reduced with the Ambu AuraGain, given its high OLP.