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A randomized comparison of the performance of Airtraq videolaryngoscope versus Macintosh laryngoscope in simulated rapid sequence induction of anaesthesia

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Original Article

Author Details : Sapna Jain*, Geetanjali Tolia Chilkoti, Vibhor Gupta, Ashok Kumar Saxena, Varun Seth, Prakriti Maurya

Volume : 10, Issue : 3, Year : 2023

Article Page : 283-289

https://doi.org/10.18231/j.ijca.2023.057

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Abstract

Background and Aim: Application of cricoid pressure during rapid sequence induction (RSI) of anaesthesia leads to difficult airway. No channeled videolaryngoscope (VL) has been compared with the Macintosh laryngoscope for facilitating intubation in RSI. Thus, we compared Airtraq® VL with Macintosh laryngoscope for simulated RSI in patients scheduled for elective surgeries.
Materials and Methods: Following approval from Institutional Ethics Committee-Human Research, this randomized study was conducted. Patients of either sex, aged 18-65yr, ASA grade I/II, scheduled for elective surgeries under GA were included. 'Group DL' underwent direct laryngoscopy (DL) using Macintosh laryngoscope and Group VL with Airtraq® videolaryngoscope. Time taken for intubation, Cormack-Lehane (CL) grade of laryngeal view, number of intubation attempts, and haemodynamic parameters were noted. Student t-test and chi square test were used for statistical analysis.
Results: A total of 140 patients with 70 in each group were included. The mean time taken for intubation was significantly higher in VL group (84.70 ± 28.05s) than DL group (23.90 ± 6.67s). The optimal laryngeal view (i.e. CL grade I or II) was significantly improved in VL group than DL group i.e. 97% vs 94%. In group DL, 99% (n=69) were intubated in first attempt; whereas 60% (n=42) in Group VL (p<0> Conclusion: Airtraq® VL is better than conventional Macintosh laryngoscope for endotracheal intubation during RSI in terms of optimal glottic view, ease of intubation and haemodynamics. On the contrary, the “time taken to intubation” and the first attempt intubation rate were higher with Airtraq® VL.
 

Keywords: Cormack- Lehane grade, Airtraq videolaryngoscope, Rapid sequence induction.

How to cite : Jain S, Chilkoti G T, Gupta V, Saxena A K, Seth V, Maurya P, A randomized comparison of the performance of Airtraq videolaryngoscope versus Macintosh laryngoscope in simulated rapid sequence induction of anaesthesia. Indian J Clin Anaesth 2023;10(3):283-289

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