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Abstract

Objectives: To compare the efficacy and performance of the pediatric Ambu AuraOnce (Ambu AO) mask (Ambu, Copenhagen, Denmark) and i-gel mask (Intersurgical Ltd., Wokingham, United Kingdom). Methods: From May 2015 to September 2016, 112 patients, 0-14 years old, underwent elective surgery at a tertiary university hospital (Riyadh, Saudi Arabia). They were randomly assigned to the Ambu AO or i-gel group. Three groups underwent a subgroup analysis: ≤5 kg (group 1), 5.1–10.0 kg (group 2), and >10 kg (group 3). Results: The oropharyngeal leak pressure was significantly higher for the i-gel (25.4±4.1 cm H 2 O) than for the Ambu AO (22.5±3.9 cm H 2 O, p <0.001). The Ambu AO had a slightly higher ease of insertion compared to the i-gel (100% versus 94%, p =0.08) and required less manipulation (2% versus 11%, p =0.07).The Ambu AO and i-gel showed non-significant differences in performance between weight groups. There were statistically significant differences for higher leak pressure in group 2 ( p =0.01) and group 3 ( p =0.002) in favor of the i-gel, and for less manipulation in the Ambu AO in group 1 ( p =0.04). Fiberoptic viewing was superior in group 2 for the i-gel ( p =0.03) and in group 3 for the Ambu AO ( p =0.02). Conclusion: Both devices demonstrated equally good performance with low morbidity. The Ambu AO had a statistical tendency towards easier insertion and less manipulation. Confirming this finding will require large scale trials.

Article Type

Research Article

First Page

482

Last Page

490

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