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Filter by:Hypothesis The use of Macintosh blade sized #3.5 (vs Macintosh size #3) would reduce the time required to achieve successful tracheal intubation and improve the glottic view. Study objective The purpose of this research study is to compare 3 different laryngoscope blades (sizes: 3.5, 3.5 and 3) and see if the blades size 3.5 will reduce the time required to achieve successful tracheal intubation and improve the physician's view of the glottis compared to the standard direct laryngoscope using the blade size 3, in patients undergoing lumbar surgery. Primary end point: time to achieve successful tracheal intubation. Secondary end points: glottic view at intubation, number of intubation attempts and effectiveness of the integrated suction in the Inscope Direct Laryngoscope.
The study aims to determine the better device to facilitate intubation in patients with a limited neck movement and small mouth opening. This may help anesthesiology as well as emergency medicine practitioners and departments to decide when choosing between these two conceptually similar device. The hypothesis to be tested is that the C-MAC® is more superior when compared to the Bonfils Intubation Fibrescope in success of intubation, time to intubation and complication rate in patients with a fixed cervical collar.
It is essential that anaesthetists successfully perform orotracheal intubation in scenarios in which intubation is potentially more difficult, such as where anatomical characteristics predictive of difficult intubation are present. The CMAC® Laryngoscope is a new intubating device. It is designed to provide a view of the glottis without alignment of the oral, pharyngeal and tracheal axes. The CMAC may be especially effective in situations where intubation of the trachea is potentially difficult. The efficacy of this device in comparison to the traditional Macintosh laryngoscope and other novel laryngoscopes is not known. We aim to compare its performance to that of the Macintosh laryngoscope, the gold standard device, in patients with one or more anatomical characteristics predictive of difficult intubation. The investigators further aim to compare it to the Airtraq® device a device which has been shown to be superior to the Macintosh laryngoscope in previous trials. The investigators primary hypothesis is that, in the hands of experienced anaesthetists, time to intubation would be shorter using the CMAC than using the Macintosh laryngoscope in patients with two or more anatomical characteristics predictive of difficult intubation. The investigators further hypothesize that the Airtraq® will be superior the CMAC® with one or more anatomical characteristics predictive of difficult intubation.
Patients presenting for elective surgery requiring tracheal intubation will be randomized to one of two different endotracheal tube (ETT) stylets. The intubation will be done with a GlideScope videolaryngoscope by a novice operator. The primary outcome is time to intubation.