ORIGINAL ARTICLE
Year : 2012  |  Volume : 6  |  Issue : 3  |  Page : 248-253

Comparison of the use of McCoy and TruView EVO2 laryngoscopes in patients with cervical spine immobilization


Department of Anesthesiology, Kasturba Medical College, Manipal University, Mangalore, Karnataka, India

Correspondence Address:
Trevor Sequeira
Department of Anesthesiology, Kasturba Medical College, Manipal University, Behind Punja Building, Lalbagh, Mangalore-575003, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1658-354X.101216

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Context: The cervical spine has to be stabilized in patients with suspected cervical spine injury during laryngoscopy and intubation by manual in-line axial stabilization. This has the propensity to increase the difficulty of intubation. An attempt has been made to compare TruView EVO2 and McCoy with cervical spine immobilization, which will aid the clinician in choosing an appropriate device for securing the airway with an endotracheal tube (ETT) in the clinical scenario of trauma. Aims: To compare the effectiveness of TruView EVO2 and McCoy laryngoscopes when performing tracheal intubation in patients with neck immobilization using manual in-line axial cervical spine stabilization. Settings and design: K. M. C. Hospital, Mangalore, This was a randomized control clinical trial. Methods: Sixty adult patients of either sex of ASA physical status 1 and 2 who were scheduled to undergo general anesthesia with endotracheal intubation were studied. Comparison of intubation difficulty score (IDS), hemodynamic response, Cormack and Lehane grade, duration of the tracheal intubation and rate of successful placement of the ETT in the trachea between TruView EVO2 and McCoy laryngoscopes was performed. Results: The results demonstrated that TruView has a statistically significant less IDS of 0.33 compared with an IDS of 1.2 for McCoy. TruView also had a better Cormack and Lehane glottic view (CL 1 of 77% versus 40%) and less hemodynamic response. Conclusions: The TruView blade is a useful option for tracheal intubation in patients with suspected cervical spine injury.


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