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J Anaesthesiol Clin Pharmacol. 2014 Apr;30(2):195-8. doi: 10.4103/0970-9185.130013.

Comparison of i-gel supraglottic airway and LMA-ProSeal™ in pediatric patients under controlled ventilation.

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  • 1Departments of Anaesthesiology & Critical Care, Jawaharlal Institute of Post-Graduate Medical Education and Research, Gorimedu, Puducherry, India.



i-gel™ and the ProSeal™ laryngeal mask airway (PLMA) are two supraglottic airway devices with gastric channel used for airway maintenance in anesthesia. This study was designed to evaluate the efficacy of i-gel compared with PLMA for airway maintenance in pediatric patients under general anesthesia with controlled ventilation.


A total of 60 American Society of Anesthesiologists physical status 1 and 2 patients were included in the study and randomized to either i-gel or PLMA group. After induction of anesthesia using a standardized protocol for all the patients, one of supraglottic airway devices was inserted. Insertion parameters, ease of gastric tube insertion and fiber-optic scoring of the glottis were noted. Airway parameters such as end-tidal carbon dioxide (EtCO2), peak airway pressures and leak airway pressures were noted. Patients were observed for any complications in the first 12 h of the post-operative period.


Both groups were comparable in terms of ease of insertion, number of attempts and other insertion parameters. Ease of gastric tube insertion, EtCO2, airway pressures (peak and leak airway pressure) and fiber-optic view of the glottis were comparable in both groups. There were no clinically significant complications in the first 12 h of the post-operative period.


i-gel is as effective as PLMA in pediatric patients under controlled ventilation.


Controlled ventilation; ProSeal™ laryngeal mask; fiber-optic view of glottis; leak airway pressure; peak airway pressure; pediatric i-gel airway

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