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and Aims: Laryngoscopy in patients with suspected neck injuries has one goal: sufficientlaryngeal exposure with least cervical spine movement. This is achieved by either Manual In-lineStabilisation (MILS), a forehead tape or rigid cervical collars. Cervical collars reduce movements of spineand also mouth opening leading to difficult direct laryngoscopy. This is due to difficulty in aligning the oropharyngo-laryngeal axes. The laryngoscope giving best glottic view with least cervical spine movement inthe shortest time would be most ideal. We intend to compare Airtraq, McCoy and Macintosh laryngoscopesin terms of intubation time and Cormack-Lehane glottic view in patients undergoing elective surgeries withsimulated neck immobilization using rigid cervical collar.Materials and Methods: Following approval from Institutional Ethical Committee, 90 consentingpatients, aged 18-65years were assigned into three groups by random sampling (Serially numbered OpaqueSealed Envelope), namely Group A (Airtraq), M (McCoy) or C (Macintosh). Intubation time, Intubationdifficulty scale (IDS) and Modified Cormack-Lehane grading were noted.Results: Mean intubation time was 27.2sec( 6.47), 40.2sec ( 12.36) and 33.10sec ( 23.05) for Airtraq,McCoy and Macintosh respectively(p-value 0.00 7). IDS values were 0,3 and 2 respectively(P Cormack Lehane glottic view was 2 for Macintosh and McCoy and 1 for Airtraq, respectively (P Conclusion: Airtraq improves ease of intubation significantly when compared to McCoy and Macintoshblade with shorter intubation time and IDS Score, in patients with simulated difficult airway using neckimmobilization.Keywords: Airtraq, McCoy, Macintosh, Rigid cervical collar, Simulated difficult airway.

indian journal of clinical anaesthesia

A randomized comparative study of Airtraq®, McCoy and Macintosh laryngoscopes for endotracheal intubation in patients with simulated difficult airway using a rigid cervical neck collar in elective surgeries under general anaesthesia