i-gel® from Intersurgical: clinical evidence listing

Piegeler T, Roessler B, Goliasch G, Fischer H, Schlaepfer M, Lang S, Ruetzler K. Resuscitation 2016 May;102:70-4

Randomised human cadaver study comparing Laryngeal Tube, EasyTube, LMA Classic, i-gel, ETI and BVM effect on protection against regurgitation and aspiration during CPR. Five minutes of CPR was administered according to 2010 European Resuscitation Council Guidelines. Aspiration was detected in two out of five cadavers with i-gel, while none were recorded when using ETI. Study provides experimental evidence that ETI offers superior protection during CPR.

Link to abstract

Ohchi F, Komasawa N, Imagawa K, Okamoto K, Minami T. J Anesth. 2015 Dec;29(6):887-92

15 novice doctors and 17 with >2 years experience were asked to insert each airway device into a manikin in random order. This was done in a windowless room with all the lights on and again with the lights switched off. Insertion time, insertion success, and participant's own perception of ease of use were all recorded. Ventilation success was lower in both groups when using the ProSeal and cLMA in the dark. Insertion time for these devices was longer in the dark, an effect that was also seen in both groups. Both ProSeal and cLMA were rated as more difficult to use in the dark compared with light conditions and with other devices. These results are thought to be due to the difference in design between these airways and the others used in the study, which are stiffer and anatomically shaped.

Link to abstract

Ghai B, Sethi S, Bansal D, Ram J. J Clin Anesth. 2015;27(8):627-31

Patients were randomly assigned to i-gel size 2 or LMA Classic size 2 groups, with target end-tidal sevoflurane concentration maintained for 8-10 minutes before insertion. This concentration was decreased in subsequent patients depending on response according to Dixon method. Authors conclude i-gel insertion can be accomplished at nearly half the concentration required for LMA Classic.

Link to abstract

Belena JM, Ochoa EJ, Nunez M, Gilsanz C, Vidal A. World J Gastrointest Surg. 2015;7(11):319-25

Literature search performed on laryngeal mask airway devices with drain tubes to determine efficacy of ventilation and protection against aspiration when compared with tracheal intubation. Results included studies on LMA Supreme, LMA Classic, LMA ProSeal and i-gel.

Link to abstract

Peker G, Takmaz SA, Baltacı B, Başar H, Kotanoğlu M. Turk J Anaesthesiol Reanim. 2015 Oct;43(5):304-12

Prospective, randomised study on 60 children aged 1-10 years. Insertion attempts and ease, leak pressure and complications were recorded. Results suggest no difference between the devices under these conditions.

Link to abstract