• Deepshikha C Tripathi, Pramila S Jha, Lopa P Trivedi, Shilpa M Doshi, and Brijesh Modia.
• Department of Anaesthesiology, Government Medical College and Sir. T. Hospital, Bhavnagar, Gujarat, India.
• Saudi J Anaesth. 2013 Apr 1; 7 (2): 165-9.

BackgroundLaryngeal mask airway (LMA) C Trach is a novel device designed to intubate trachea without conventional laryngoscopy. The aim of the study was to evaluate the clinical efficacy of C trach in the simulated scenario of cervical spine injury where conventional laryngoscopy is not desirable.MethodsThis prospective pilot study was carried out in 30 consenting adults of either gender, ASAPS I or II, scheduled for surgery requiring endotracheal intubation. An appropriate sized rigid cervical collar was positioned around the patient's neck to restrict the neck movements and simulate the scenario of cervical spine injury. After induction of anesthesia, various technical aspects of C Trach facilitated endotracheal intubation, changes in hemodynamic variables, and complications were recorded.ResultsMask ventilation was easy in all the patients. Successful insertion of C Trach was achieved in 27 patients at first attempt, while 3 patients required second attempt. Majority of patients required one of the adjusting maneuvers to obtain acceptable view of glottis (POGO score >50%). Intubation success rate was 100% with 26 patients intubated at first attempt and the rest required second attempt. Mean intubation time was 69.8±27.40 sec. With experience, significant decrease in mean intubation time was observed in last 10 patients as compared to first 10 (46±15.77 sec vs. 101.3±22.91 sec). Minor mucosal injury was noted in four patients.ConclusionLMA C Trach facilitates endotracheal intubation under direct vision and can be a useful technique in patients with cervical spine injury with cervical collar in situ.

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