RESEARCH ARTICLE


Comparison of Endotracheal Intubation Through I-gel and Intubating Laryngeal Mask Airway



Bharat Choudhary, Rakesh Karnawat*, Sadik Mohammed, Monika Gupta, Bharath Srinivasan, Rakesh Kumar
Dr. S. N. Medical College, Jodhpur, India


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Creative Commons License
© Choudhary et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the 9/A, Durga Vihar, Pal link road, Dr. S.N. Medical College, Jodhpur- 342003, India; Fax/Tel: 09828033321; Email: dr.rakeshkarnawat@yahoo.com


Abstract

Background:

Supraglottic airway devices (SADs) are very useful airway adjunct in managing anticipated and unanticipated difficult airway and can be used as a ventilating aid and as a conduit for tracheal intubation. The new versions of SADs like i-gel and intubating laryngeal mask airway (ILMA), have advantage of hands-free airway maintenance without the need for tracheal intubation, they can be placed easily without direct visualization of the larynx, ensure predictable ventilation and can be used as conduit for tracheal intubation.

Objective:

To compare ease and success of placement of both SADs and ease and success of endotracheal (ET) intubation through both SADs.

Method:

Eighty patients of both sexes, aged between 18-60 years and belonging to ASA grade I and II undergoing surgical procedure under general anaesthesia (GA) were randomly divided into two group (i-gel and ILMA) of equal number. Following induction the allocated device was inserted and after confirming adequate ventilation, blind ET intubation was attempted through the device. First attempt and overall success rate of SAD insertion and ET intubation through SAD; time taken for SAD insertion and ET intubation through SAD; hemodynamic changes and postoperative complications were recorded and compared between groups.

Result:

Demographic profile, success rate of SAD insertion, haemodynamic changes and adverse effects were similar between groups (p>0.05).Overall time needed for successful SAD insertion was significantly shorter in group i-gel (22.52±5.64 sec) than group ILMA (31.15±5.52 sec) (p value <0.0001). Overall success rate of blind ET intubation was higher in group i-gel (75%) in comparison to group ILMA (65%). I-gel required significantly less time to achieve successful ET intubation than ILMA (26.30±11.35 sec vs. 33.53±13.13 sec)(p<0.0001).

Conclusion:

Both the SADs were proved to be useful alternative to conventional laryngoscope for ET intubation, although i-gel required lesser time and had better success rate of ET intubation as compared to ILMA.

Keywords: Endotracheal intubation, I-gel, Intubating laryngeal mask airway, Supraglottic airway device.