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ISSN 2063-5346
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OROPHARYNGEAL LEAK PRESSURE COMPARISON AMONG NON-INFLATABLE CUFF DEVICES FOR ELECTIVE SURGERIES IN ADULT PATIENTS

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Anil Kumar MR1, Sarika M Shetty2, vAnup NR3,vRaghavendra Babu T4*, Meghana Marulasidddaa5
» doi: 10.48047/ecb/2023.12.10.683

Abstract

Background and aims: Archie Brain in 1988 introduced LMA (Laryngeal mask airway). Since then, many Extraglottic Airway Devices (EADs) have been introduced with several modifications. The Baska mask is the latest EADwith non-inflatable cuff. In the limited studies that were conducted on Baska mask, showed lots of variation in oropharyngeal leak pressure (OLP) ranging from 26cmH2O to 41.53cmH2O hence, we studied OLP as our primary objective. Subjects and methods: Following approval, 200 patients aged 18-60 years with American Society of Anaesthesiologist's Physical Status (ASA PS) I-II were randomized into two groups, Group B (Baska mask) or Group I (I-gel).Sample size calculated by Alternative hypothesis, alpha 0.05 and power 0.8 .SPSS version 24 used with Continuous data by independent t-test, Chi square test for categorical data and Significance level p<0.05.OLP, insertion time, fibreoptic view, ease of insertion and removal, haemodynamic changes, post-operative complications were noted. Results: Mean OLP was 37.34±2.38cmH2O and 30.59±4.82cmH2O for Group B and Group I respectively (p-value < 0.0001).Mean insertion time was 15.23±1.32 seconds for Group B and 11.19±1.70 seconds for Group I (p<0.0001). Fibre-optic view was better with Group B (p<0.0001) and had higher incidence of sore throat (p<0.0001). No statistical significant in number of attempts, ease of insertion, and haemodynamic changes seen. Conclusion: The OLP for Baska mask is superior to that of I-Gel. Time for insertion was less in I-gel but a significantly better fibre-optic view was provided by Baska mask.Thus Baska mask showing a better clinical profile.

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