In this study, investigators will compare the efficacy of two shapes of endotracheal tube molded by stylet in endotracheal intubation using videolaryngoscope (McGrath MAC®). The participants will randomly be divided into two groups; J-shaped tube and 60-degrees-curved tube.
Since the intubation using videolaryngoscope does not need straightened oral-pharyngeal-laryngeal axis, certain curvature of endotracheal tube is needed for the successful intubation using the videolaryngoscope. Participants in both groups will be intubated with videolaryngoscope (McGrath MAC®). Stylet will be inserted in the endotracheal tubes and will be bent to a specific shape by the assigned group. In the J-shaped tube group, endotracheal tube will be molded to a shape similar to the blade of the videolaryngoscope (McGrath MAC®). In the 60-degrees-curved tube group, endotracheal tube will be bent 60 degrees. Time to intubation, intubation attempts and ease of intubation wil be assessed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Enrollment
222
After inserting a stylet into the endotracheal tube, the tube will be molded into a J-shape.
After inserting a stylet into the endotracheal tube, the tube will be bent 60-degrees.
Kangbuk Samsung Hospital
Seoul, South Korea
Time to intubate
the time took from the blade passing through the incisor teeth of the patient to the first end tidal CO2 appears on the anesthesia monitor screen.
Time frame: 20 minutes after induction started.
Numbers of intubation attempts
numbers of attempts for the successful endotracheal intubation
Time frame: 20 minutes after induction started.
Level of difficulty in intubation
easy, moderate, difficult
Time frame: 20 minutes after induction started.
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