• Souvik Maitra, Dalim K Baidya, Mahesh K Arora, Sulagna Bhattacharjee, and Puneet Khanna.
• Department of Anaesthesia & Intensive Care, Post Graduate Institute of Medical Education & Research, Chandigarh, India. Electronic address: souvikmaitra@live.com.
• J Clin Anesth. 2016 Sep 1; 33: 298-305.

Study Objectivei-gel is a single-use supraglottic airway device that has a gastric drain tube similar to laryngeal mask airway (LMA) ProSeal. Randomized trials, when compared i-gel with LMA ProSeal, reported a differing results. Primary objective of this study is to compare LMA ProSeal and i-gel in terms of oropharyngeal leak pressure.DesignMeta-analysis of randomized controlled trials where i-gel has been compared to LMA ProSeal in adult airway management during general anesthesia.SettingTeaching institutions.MeasurementsPubMed, PubMed Central, and Cochrane databases were searched with search words "i-gel," "i-gel laryngeal mask airway," "i-gel ProSeal," and "i-gel LMA ProSeal" to find out the randomized controlled trials that compared i-gel with LMA ProSeal in terms of safety and efficacy. A total of 10 prospective randomized trials have been included in this meta-analysis.Main ResultsLMA ProSeal provides higher oropharyngeal leak pressure than i-gel (mean difference, 3.37 cm H2O; 95% confidence interval, 1.80-4.95 cm H2O; P< .0001). Time to insert the device, first insertion success rate, and ease of gastric tube insertion are similar with both the devices, but i-gel may be easier to insert. Although the reported complications are not frequent and not very serious, a significantly higher blood staining on the mask has been noted with LMA ProSeal (odds ratio, 0.27; 95% confidence interval, 0.13-0.56; P= .0004).ConclusionLMA ProSeal may still remain the supraglottic device of choice over i-gel in adult patients during general anesthesia as it provided better seal against leak pressure with comparable device insertion characteristics.Copyright © 2016 Elsevier Inc. All rights reserved.

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