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Insertion of i-gel™ by the reversed technique improves the success rate and reduces the time taken for its placement: A prospective, randomized, controlled, interventional trial.
J Anaesthesiol Clin Pharmacol. 2017 Apr-Jun;33(2):226-230
Authors: Sharda M, Kapoor MC, Atray R, Garg S
Abstract
BACKGROUND AND AIMS: We hypothesized that the i-gel™ supra-glottic airway can be inserted with relative ease in a reversed manner just like a Guedel's airway.
MATERIAL AND METHODS: A prospective, randomized, controlled interventional trial was conducted on 100 patients to compare reversed insertion of the i-gel™ (Group R) with the conventional insertion (Group C). In Group C, i-gel™ was introduced in a conventional manner, whereas in the Group R, i-gel™ was introduced into the oral cavity with the concavity facing the hard palate. On reaching the oropharynx, the device was rotated 180° and advanced further until it fitted over the larynx. The time of insertion, ease, and placement appropriateness were compared.
RESULTS: All patients completed the study. Better success rate of the first attempt insertion was achieved using the reversed technique (96% vs. 86%), but it was not statistically significant. Mean time required for i-gel™ insertion in Group R was 17.5 ± 6.9 s as compared to 20.8 ± 5.9 s in Group C, which was statistically significant. In Group R, it could be inserted within 20 s in 84% of cases, but only in 62% in Group C. The seal of the i-gel™ was similar in both the groups with the leak volumes (inspired - expired tidal volumes) being similar.
CONCLUSION: Reversed insertion technique for the placement of i-gel™ resulted in appropriate placement with easier insertion and lower placement time than that with the conventional technique.
PMID: 28781450 [PubMed]
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