Comparison of baska mask with i-gel as ventilatory device in adult patients undergoing laparoscopic cholecystectomy

Nidhi Agarwal, Gaurav Pratap Singh, Deepti Saigal


Introduction: Oropharyngeal seal pressure of supraglottic device is an important parameter for safe use during laparoscopic surgeries.
Aim: To compare the oropharyngeal seal pressure and other insertion characteristics between baska mask and i-gel in adult patients undergoing laparoscopic cholecystectomy.
Materials and Methods: Sixty adult patients were randomly allocated into two groups of 30 each. Baska mask was inserted in group B and i-gel was inserted in group I. Primary outcome was oropharyngeal seal pressure. Secondary outcomes were insertion characteristics like first attempt success rate, insertion
attempts, duration and maneuverers to achieve effective airway.
Results: Oropharyngeal seal pressure was significantly higher at insertion (31.703.67 cmH2O versus 27.32.93 cmH2O respectively, p value<0.001) and after deflation of carboperitoneum (31.333.51 cmH2O and 28.203.07 cmH2O respectively, p value < 0.001) in group B than group I. Time for achieving
effective airway in group B was comparable to that in group I (17.832.05 seconds vs17.861.041 seconds respectively, p value=0.937). Ease of insertion of device was comparable between the two groups (p value=0.584). Upon fibreoptic assessment, anatomical alignment of the device to larynx was comparable between the two groups (p value =0.655).
Conclusion: Baska mask, with a significantly higher oropharyngeal seal pressure, is a better ventilatory device as compared to i-gel in patients undergoing laparoscopic cholecystectomy.

Keywords: Airway management, Oropharyngeal seal pressure, Regurgitation gastric.

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