i-gel® from Intersurgical: clinical evidence listing

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

Comparison of the clinical performances of Air-Qsp and i-Gel for airway management under general anesthesia with a muscle relaxant

Watanabe A, Edanaga M, Ichinose H, Yamakage M. J Clin Anesth. 2016 Nov;34:223-6

Randomised study comparing insertion attempts, insertion time and postoperative complications (among other parameters recorded) on 37 adult patients after concerns that the i-gel sometimes fails to fit or ventilate sufficiently in Japanese patients. Results showed that two patients in the Air-Qsp group failed, compared to one in the i-gel group.

Link to abstract

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

Supraglottic Airway Devices and Effect on Voice-Comparison of LMA Proseal and i-gel: Double-Blind Randomized Clinical Trial

Vaidya S, Kundra P, Gopalakrishnan S, Parida P, Yuvaraj K, Mohan PM. J Voice. 2016 Sep;30(5):631-7

90 adult patients were randomly assigned to LMA Proseal and i-gel groups, with voice evaluated using perceptive and acousitc analysis. In both groups voice results deteriorated comparably.

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

 

Comparison of oropharyngeal leak pressure and clinical performance of LMA ProSeal™ and i-gel® in adults: Meta-analysis and systematic review

Shin HW, Yoo HN, Bae GE, Chang JC, Park MK, You HS, Kim HJ, Ahn HS. J Int Med Res. 2016 Jun;44(3):405-18

Online searches of popular databases resulted in 14 randomised controlled trials being included. Overall, leak pressure was higher with ProSeal, but i-gel was faster to insert, had lower incidence of blood staining on removal and sore throat.

Link to abstract