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Year : 2015  |  Volume : 31  |  Issue : 2  |  Page : 226-229

Comparison of Macintosh laryngoscope and C-MAC video laryngoscope for intubation in lateral position

Department of Anaesthesia, JN Medical College, KLE University, Belgaum, Karnataka, India

Correspondence Address:
Ravi Bhat
Department of Anaesthesia, JN Medical College, KLE University, KLE Prabhakar Kore Hospital, Belgaum - 590 010, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9185.155221

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Background and Aims: Endotracheal intubation is conventionally performed when the patient is in supine position. It may be required to secure airway in laterally positioned patient. Tracheal intubation in lateral position seems to be difficult because the laryngeal view is compromised. Hence, C-MAC video laryngoscope (Karl Storz, Germany), a newer device using a modified macintosh blade may be useful for intubation in lateral position. Material and Methods: A total of 100 American Society of Anesthesiologists Grade I and II patients, randomly allotted to C-MAC or direct laryngoscopy group. Patients with difficult airway were excluded. After induction of anesthesia, patient was put in right-lateral position and intubation was carried out by consultant who is well-versed in using C-MAC laryngoscope. Time for intubation, number of attempts, Modified Cormack - Lehane grade, mucosal injury, and external laryngeal manipulation applied were noted. Statistical Analysis: Demographics and baseline airway assessments were analyzed using summary statistics. Unpaired t-test was used to assess intubation time. Number of attempts, esophageal intubation, dental injury, mucosal injury, use of stylet, and application of external laryngeal manipulation were analyzed using Chi-square test. Results: Overall intubation success rate was 100%. The time taken in C-MAC group was 24.8 ± 8.5 s and in direct group was 33.8 ± 9.12 s. The number of intubation attempts was not significant. Cormack - Lehane grade was better with C-MAC laryngoscope. Mucosal injury and use of external laryngeal manipulation was more in direct group. Conclusion: C-MAC is better than Macintosh laryngoscope for intubation in lateral position.

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