A prospective randomized comparative study between baska mask, proseal LMA and i gel during positive pressure ventilation in laparoscopic cholecystectomy

Abstract

Background: Supraglottic airway devices with facility for gastric suction such as Proseal LMA and I gel have been successfully used for positive pressure ventilation in laparoscopic surgeries. Baska mask, a novel device with many unique features such as self-sealing membranous cuff and effective sump drainage system was designed in such a way that the perilaryngeal seal increases incrementally with increasing airway pressures. But Baska mask was not extensively evaluated to validate its use in laparoscopic surgeries. The efficiency of Baska mask (B), Proseal LMA (P) and I Gel (I) are compared during positive pressure ventilation in laparoscopic cholecystectomy. Methods: Ninety patients of ASA physical status I-II planned for laparoscopic cholecystectomy were randomized into three groups (B, I, P) of 30 each. The study was proceeded with 88 (B-30, I-29, P-29) patients. Oropharyngeal leak pressure, insertion time, effective airway time and airway morbidity were assessed and compared between the three groups. Mean, standard deviation, paired sample t-test, one way ANOVA with Tukey's Post-Hoc test was used. Results: The oropharyngeal leak pressure at insertion time was 38.33±4.353 cm of H2O for group B, 30.57±2.174 cm of H2O for group I, 29.36±2.706 cm of H2O for group P. The leak pressure was statistically significant between group B and other groups. Conclusions: Baska mask provided higher oropharyngeal leak pressure in comparison to other two supraglottic devices.