i-gel® from Intersurgical: clinical evidence listing

A comprehensive list of all known published clinical evidence on the device

A comparison of QTc intervals after laryngoscopic intubation and i-gel insertion during propofol-sevoflurane anaesthesia

Byon HJ, Song J, Shinn HK, Song K, Lee C, Lim H. Minerva Anestesiol. 2016 Sep;82(9):950-6

Patients were randomly assigned to either the i-gel or intubation group and induced using propofol or sevoflurane. Peak QTc interval was lowever in the i-gel group. Authors conclude the i-gel 'may be advantageous' to patients at risk of QTc prolongation.

Link to abstract

Comparison of remifentanil EC50 for facilitating i-gel and laryngeal mask airway insertion with propofol anesthesia

Choi JB, Kwak HJ, Lee KC, Lee SR, Lee SY, Kim JY. J Anesth. J Anesth. 2016 Jun;30(3):377-83

Randomised study comparing 41 female patients across two groups: i-gel and LMA, undergoing anaesthesia. EC50 of remifentanil concentration for i-gel insertion was significantly lower.

Link to abstract

 

Male patients require higher optimal effect-site concentrations of propofol during i-gel insertion with dexmedetomidine 0.5 μg/kg

Choi JJ, Kim JY, Lee D, Chang YJ, Cho NR, Kwak HJ. BMC Anesthesiol. 2016 Mar 22;16:20

40 patients were split into equal gender groups prior to insertion. The EC50 of propofol in men was approximately 40% higher than in women. Gender should be considered when determining optimal dose of propofol, according to the authors.

Link to abstract

Propofol requirement for insertion of I-gel versus laryngeal mask airway: A comparative dose finding study using Dixon's up-and-down method

Ashay NA, Wasim S, Anil TB. J Anaesthesiol Clin Pharmacol. 2015 Jul-Sep;31(3):324-8

This randomised controlled trial compared propofol requirements for i-gel and LMA Classic when inserted 60 seconds after injection. i-gel required a significantly lower dose.

Link to abstract

A randomized controlled trial of the effect of preoperative dexmedetomidine on the half maximal effective concentration of propofol for successful i-gel insertion without muscle relaxants

Jang YE, Kim YC, Yoon HK, Jeon YT, Hwang JW, Kim E, Park HP. J Anesth. 2015 Jun;29(3):338-45

37 patients were randomly allocated to either a dexmedetomidine or control (saline) group. Authors conclude that preoperative dexmedetomidine reduced the EC50 of propofol.

Link to abstract