Prospective randomised study to compare classic-LMA and I-gel in anaesthetised spontaneously breathing patient undergoing minor gynaecological surgeries.

Rajendran, A (2015) Prospective randomised study to compare classic-LMA and I-gel in anaesthetised spontaneously breathing patient undergoing minor gynaecological surgeries. Masters thesis, Madras Medical College, Chennai.

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Abstract

Maintenance of airway is an integral part of general anaesthesia. Various airway devices are used for this purpose. Hemodynamic changes are major hazards of general anaesthesia with endotracheal intubation and are probably generated by direct laryngoscopy and endotracheal intubation. Supraglottic airway devices have been widely used as an alternative to tracheal intubation during general anaesthesia. Laryngeal mask airway is a Supraglottic airway device with an inflatable cuff forming a low pressure seal around the laryngeal inlet and permitting ventilation .The I-gel is a novel Supraglottic airway device made of thermoplastic elastomer which is soft gel like and transparent. It does not have an inflatable cuff. In view of this, the present study was undertaken to compare the performance of two Supraglottic airway devices classic Laryngeal Mask Airway and I-gel in anaesthetised spontaneously breathing patient undergoing Elective minor gynaecological surgeries under general anaesthesia. METHODOLOGY Eighty patients scheduled for various elective minor gynaecological surgeries, under general anaesthesia who meet the inclusion criteria were included in these study and were randomly divided into two groups with 40 patients in each group. In group I classical LMA was used and in group II , Igel was used. Both the devices were compared in relation to the ease of insertion, number of insertion attempts, time of insertion, airway leak pressure, gastric insufflation, hemodynamic changes, intra and postoperative complications. RESULTS There was no statistically significant difference between the devices with respect to ease of insertion, number of attempts of insertion. Gastric insufflation. The mean time of insertion for I-gel was 22.82±4.30 seconds which was significantly shorter compared to c LMA with mean insertion time of 25.88±4.32 seconds (P = 0.002). The mean airway leak pressure with I-gel was significantly higher as compared with c LMA (23.82±2.47 and 19.12±2.23 cm H2O, respectively p=0.00). There were no statistically significant differences in hemodynamic changes and postoperative complication between the devices. INTERPRETATION AND CONCLUSION Both I-gel and classic LMA are easy to insert and provide an effective airway during spontaneously breathing patients under general anaesthesia. But insertion of I-gel was easier and more rapid than insertion of c-LMA and also I-gel providing a better airway sealing pressure as compared to c-LMA.

Item Type: Thesis (Masters)
Uncontrolled Keywords: Classic Laryngeal Mask Airway; I-gel; Spontaneously Breathing Patient; Undergoing Minor Gynaecological Surgeries
Subjects: MEDICAL > Anaesthesiology
Depositing User: Punitha K
Date Deposited: 18 Apr 2018 11:43
Last Modified: 18 Apr 2018 11:43
URI: http://repository-tnmgrmu.ac.in/id/eprint/7091

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