The purpose of this study is to evaluate the feasibility of endotracheal intubation via glidescope videolaryngoscope (GVL) using different curve of stylet in 120 children aged between 1 and 5 year old.
Pediatric patients aged 1-5 year old are randomly assigned to one of two groups; standard curve (S) and tip-manipulated curve (T) groups. After routine anesthetic induction, endotracheal intubation is performed with GVL. Size of GVL blade is selected according to weight; GVL 0: \<1.5kg, GVL 1:1.5-3.6kg, GVL 2: 1.8-10kg, GVL 2.5: 10-28kg). Before intubation, stylet curve is differently manipulated according to group. The style is curved in accordance with the curve of GVL blade in S group, whereas the distal tip of style is additionally bended to the left (15-20 degree) in T group. Time from visualization of glottis with GVL to approaching of endotracheal tube to glottis, and time to completion of intubation are measured. In addition, the easiness of intubation is assessed using Visual Analogue Scale (0: extremely easy, 10: extremely difficult) and will be compared in both groups.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Enrollment
120
The intubating style is curved in accordance with the curve of GVL blade and the distal tip of style is additionally bended to the left (15-20 degree)
The style is curved in accordance with the curve of GVL blade
SNUH
Seoul, Jongro Gu, South Korea
Time to tracheal intubation
From the insertion of GVL to completion of endotracheal intubation
Time frame: up to 3 min after insertion of GVL
Time to approaching of endotracheal tube tip to glottis
From the insertion of GVL to approaching of endotracheal tube tip to glottis
Time frame: up to 3 min after insertion of GVL
Number of attempt for glottis passage of endotracheal tube
Time frame: up to 3 min after insertion of GVL
The change in stylet angle
The number of additional manipulation of stylet for success of endotracheal intubation
Time frame: up to 3 min after insertion of GVL
Visual analogue scale for the easiness of endotracheal intubation
Measurement of the easiness of endotracheal intubation
Time frame: up to 3 min after insertion of GVL
Successful endotracheal intubation in 30 seconds
Success or failure in completion of endotracheal intubation in 30 seconds
Time frame: up to 3 min after insertion of GVL
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