Indian Journal of Health Sciences and Biomedical Research KLEU (Jan 2017)
Comparison of the glottic view during intubation using Airtraq and Macintosh laryngoscopes in adult patients undergoing surgeries under general anesthesia with a simulated cervical spine immobilization: A 1-year hospital-based randomized controlled trial
Abstract
Background and Objectives: The present study was undertaken to compare the glottic view during intubation using Airtraq and Macintosh laryngoscopes in adult patients undergoing surgeries under general anesthesia with a simulated cervical spine immobilization. Methods: This 1-year randomized clinical study was conducted between January 2015 and December 2015 on 60 American Society of Anesthesiologists Grade I and II patients of either gender, aged between 18 and 60 years. The study population was randomly divided into two groups. Group A (n = 30): intubation performed using Airtraq laryngoscope. Group L (n = 30): intubation performed using Macintosh laryngoscope. Results: In the present study, 76.67% of patients in Group A had a Cormack-Lehane Grade 1 view of glottis compared to 13.33% in Group L. While most of the patients (56.67%) in Group L had Cormack-Lehane Grade 2 view of glottis compared to 23.33% in patients of Group A. Thus, Airtraq laryngoscope had better Cormack-Lehane grade of glottic view with P = 0.001. It was observed in our study that the mean heart rate, mean systolic blood pressure, mean diastolic blood pressure, and mean arterial pressure were higher in Group L compared to Group A at 1 min, 3 min, and 5 min intervals. Conclusion: These findings suggest that tracheal intubation with Airtraq offers better view of glottis with minimal changes in hemodynamic parameters in patients with a simulated cervical spine immobilization compared to Macintosh laryngoscope.
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