• P Smith and C R Bailey.
• Department of Anaesthetics, Great Ormond Street Hospital NHS Foundation Trust, London, UK.
• Anaesthesia. 2015 Jan 1;70(1):84-92.

AbstractWe performed a review of published literature comparing the i-gel with other supraglottic airway devices in children. Sixty-two articles were identified following a literature search; we included data from 14 randomised controlled trials and eight observational studies that compared i-gel sizes 1-2.5 with other commonly used, equivalently-sized, devices. The primary outcome in most studies was oropharyngeal leak pressure. In the 14 randomised trials the i-gel performed the same as the comparator device in five trials, significantly better in eight studies (p < 0.05) and significantly worse in one (p < 0.01). Seven studies assessed fibreoptic views of the larynx through the device; two found significantly better views through the i-gel. Three studies reported a shorter insertion time for the i-gel, whereas two reported a longer time. Insertion success rate, gastric tube placement and complications were similar for all the devices. Seven of the eight observational studies measured average oropharyngeal leak pressures of 20-27 cmH2O and all had first-time insertion success rates exceeding 90%. We conclude that the i-gel is at least equivalent to other supraglottic airway devices currently available for use in children, and may enable a higher oropharyngeal leak pressure and an improved fibreoptic view of the glottis.© 2014 The Association of Anaesthetists of Great Britain and Ireland.

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