Abstract
Aim: The Pro Seal laryngeal mask airway (PLMA), i-gel and Combi Tube (CT) in past evaluated alone or in group comparisons but differing study designs make it difficult to compare the results. The aim of this study was to compare the clinical performance of these three alternative devices in terms of efficacy and safety in patients receiving mechanical ventilation during elective surgical procedures.
Material and Methods: This prospective, randomised, double blind study was performed in randomly allocated 3 different groups containing each group 30 American Society of Anesthesiologists physical status I–II patients, undergoing elective surgical procedures under general anaesthesia. PLMA, i-gel or CT appropriate for weight or/and height was inserted. Primary outcome measured was airway sealing pressure. Insertion time, ease of insertion, number of attempts, overall success rate and the incidence of airway trauma and complications were also recorded. Intergroup differences were compared using one way analysis of variance with post hoc correction for continuous data and Chi‑square test for categorical variables.
Results: Overall success rate was comparable between the three devices (i-gel 100%, CT 100%, PLMA 96.6%). Airway sealing pressure was lower with i-gel (24.26 ± 1.96 cm H2O) compared to CT (26.52 ± 2.11 cm H2O) and PLMA (28.6 ± 2.5 cm H2O; P < 0.0005). The mean insertion time was significantly more in PLMA (37.22 ± 2.9 s) compared to i-gel (26.9 ± 2.53 s) and CT (22.22 ± 2.31 s; P < 0.0005).
Conclusion: Airway sealing pressure and insertion time were significantly higher in PLMA compared to i-gel and CT.
Keywords: Airway management, Artificial, i‑gel, Combi tube, Pro Seal laryngeal mask airway, respiration
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Corresponding Author
Dr Amar Nath Gupta
Assistant Professor, Department of Anaesthesiology,
Gouri Devi Institute of Medical Sciences and Hospital,
Durgapur, West Bengal, India
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
DOI: https://dx.doi.org/10.18535/jmscr/v6i2.13
