Abstract
Background: The conventional Macintosh laryngoscope is used most commonly due to its familiarity and ease of use. Newer devices like video laryngoscope are also being commonly now-a-days. Hence a comparative study of the 3 commonly used laryngoscopes has been done. Aims & Objectives: To compare direct laryngoscope view of the different laryngoscope blades & to find out the most suitable laryngoscope in patients with predicted normal airway. Methodology: 150 ASA grade I-II patients with 50 patients in each group were taken. Their stress response, CML grading & intubation time were compared. Results: Stress response was least & CML grading was best, however the time taken to intubate was maximum (P<.001) with Video-laryngoscope as compared to McCoy & Macintosh. Conclusion: Video-Laryngoscope provides better visualization of glottic opening as compared to Macintosh and McCoy with less stress response but being a newer device needs more expertise to intubate the patient. Keywords: Video-laryngoscope; Macintosh laryngoscope; CML; Tracheal intubation.
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