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A Comparative Study of Cormack Lehane Grading by Macintosh, McCoy and Video Laryngoscope in Patients with Predicted Normal Airway

Veerendra Singh Raghuwanshi, Associate Professor, Department of Anesthesiology, Chirayu Medical College and Hospital, Bhopal 462030, Madhya Pradesh, India. , Seema Gupta1 , Veerendra Singh Raghuwanshi2 , Akanksha Agarwal3 , G N Chavan4

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Indian Journal of Anesthesia and Analgesia 8(3):p 333-338, May-June 2021. | DOI: http://dx.doi.org/10.21088/ijaa.2349.8471.8321.48

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Seema Gupta, Veerendra Singh Raghuwanshi et al./A Comparative Study of Cormack Lehane Grading by Macintosh, McCoy and Video Laryngoscope In Patients with Predicted Normal Airway/Indian J Anesth Analg. 2021; 8(3): 333-338.
 

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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.

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Seema Gupta, Veerendra Singh Raghuwanshi et al./A Comparative Study of Cormack Lehane Grading by Macintosh, McCoy and Video Laryngoscope In Patients with Predicted Normal Airway/Indian J Anesth Analg. 2021; 8(3): 333-338.
 

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DOI: http://dx.doi.org/10.21088/ijaa.2349.8471.8321.48

Keywords

Video-laryngoscope; Macintosh laryngoscope; CML; Tracheal intubation.

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