Abstract
Purpose: The present study compared the C-MAC videolaryngoscope (C-MAC) with Macintosh laryngoscope with regard to the laryngoscopic view, laryngoscopic time and time required to complete the tracheal intubation. We aimed to investigate any disadvantages that the C-MAC laryngoscope may have when used in routine clinical practice. Methods: Ninety patients undergoing elective surgery requiring general anaesthesia and tracheal intubation were randomly allocated to receive tracheal intubation using the C-MAC or the Macintosh laryngoscope. Following a standardised general anaesthetic, data were collected during laryngoscopy and endotracheal intubation. Results: The median laryngoscopic time (IQR) for the C-MAC and Macintosh laryngoscope respectively were 9.8 (4) and 8.1 (3.3) seconds (p = 0.037). The median total intubation time (IQR) for the C-MAC and Macintosh laryngoscope respectively were 29.2 (18.6) and 23.5 (9.4) seconds, (p = 0.011). There were no significant differences in the laryngoscopic view, additional airway manoeuvres and success rate of tracheal intubation between the two groups. Conclusion: Although the differences in the laryngoscopic time and intubation time were statistically significant, they did not achieve clinical significance. Therefore we conclude that the C-MAC videolaryngoscope may be used in routine clinical practice for tracheal intubation.
Highlights
Endotracheal intubation is considered the definitive airway for resuscitation and airway management
The distal end of the blade incorporates a small digital camera and high power light emitting diode [5]. It can be used in a similar way to Macintosh for direct laryngoscopy and for indirect laryngoscopy when the operator views the larynx on the video screen
With the advantages that C-MAC has to offer in clinical practice, in this study we aimed to compare the C-MAC with Macintosh laryngoscope in terms of laryngoscopy time and total intubation time in anaesthetised patients
Summary
Endotracheal intubation is considered the definitive airway for resuscitation and airway management. When compared with direct laryngoscopy, video laryngoscopy can provide a significantly better view of the larynx, which may be useful in situations of difficult tracheal intubation [3,4]. The distal end of the blade incorporates a small digital camera and high power light emitting diode [5]. It can be used in a similar way to Macintosh for direct laryngoscopy and for indirect laryngoscopy when the operator views the larynx on the video screen. With the advantages that C-MAC has to offer in clinical practice, in this study we aimed to compare the C-MAC with Macintosh laryngoscope in terms of laryngoscopy time and total intubation time in anaesthetised patients
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