Abstract

TheProSeal™ laryngeal mask airway (PLMA) and I-Gel™ are second-generation supraglottic airway devices (SADs). The Baska mask is a SAD having a non-inflatable cuff with a tendency to increase the perilaryngeal seal with an increase in airway pressures. This study compared the efficacy of I-Gel™, PLMA and Baska mask with respect to airway dynamics in patients scheduled for laparoscopic surgeries under general anaesthesia (GA). Ninety patients, of American Society of Anesthesiologists physical status I and II, aged 20-65 years scheduled for laparoscopic cholecystectomy under GA were enroled. The patients were randomised into three groups: Group P (n = 30): airway secured using PLMA, Group I (n = 30): airway secured using I-Gel™ and Group B (n = 30): airway secured using Baska mask. The primary outcome was the change in dynamic compliance, and the secondary outcomes included insertion time, changes in peak inspiratory pressure (PIP) and oropharyngeal leak pressure (OLP) at different time intervals. After insertion of the SADs, the dynamic compliance was highest in group B and least in the group I (p = 0.01). The maximum decrease in dynamic compliance was observed in group I. The insertion time for SAD placement was more in group P. The group B had least PIP as compared to groups P, I at insertion. After carboperitonium, groups P and B had comparable PIP, and group I had highest PIP (p = 0.001). OLP was highest in group B, whereas group I had least OLP. The airway dynamics are better maintained with Baska mask as compared to the PLMA and I-Gel™.

Full Text
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