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Saudi J Anaesth [serial online] 2012 [cited 2018 Jan 11];4-8. 2012/6/3/224/101212Various types of supraglottic devices are widely used for securing and maintaining a patent airway for surgery requiring general anesthesia in children.
They provide a perilaryngeal seal with an inflatable cuff, and are an alternative to tracheal intubation.
Ninety patients were equally randomized to one of the three groups (i-gel, PLMA and c LMA) of 30 each for airway management using a computer-generated randomization program.
Written informed consent was taken from the parents prior to intervention and a standardized protocol for anesthesia was maintained for all cases.
The airway leak pressure of the i-gel group (27.1±2.6 cm H O).
There are very few studies comparing the size 2 i-gel with Pro Seal laryngeal mask airway (PLMA) and classic laryngeal mask airway (c LMA) of the same size to assess their performance in anesthetised and artificially ventilated children.
After approval from the Hospital Ethics Committee, 90 patients were studied.
A randomized prospective study was planned to compare size 2 i-gel (Intersurgical Ltd., Wokingham, Berkshire, UK) with PLMA and c LMA of the same size.
Once an adequate depth of anesthesia was achieved, the supraglottic device was inserted by the standard technique recommended by the manufacturer (introducer for PLMA, single-finger technique for c LMA).
We considered easy up-and-down movement of the lower jaw, no reaction to pressure applied to both angles of the mandible and end-tidal sevoflurane concentration (Et Sev) of 2.5% to indicate the adequate depth of anesthesia for insertion of the device.