We evaluate the GlideScope and lighted stylet for DLT intubation in terms of the intubation time, number of intubation attempts, difficulty in DLT advancement towards the glottis, postoperative sore throat and hoarseness, and hemodynamic responses during intubation in patients with predicted difficult airways.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
TRIPLE
Enrollment
80
Endobronchial intubation is performed using the GlideScope.
Endobronchial intubation is performed using a lighted stylet.
Seoul Metropolitan Government Seoul National University Boramae Medical Center
Seoul, South Korea
RECRUITINGIntubation time taken for endobronchial intubation
Intubation time is defined as the time elapsed from picking up GlideScope or lighted stylet to confirmation of successful intubation by capnometry.
Time frame: During endobronchial intubation
Number of intubation attempts
Total intubation attempts are counted.
Time frame: During endobronchial intubation
Difficulty of DLT advancement towards the glottis
It is categorised as very easy, easy, difficult, and very difficult
Time frame: During endobronchial intubation
Resistance to DLT insertion through the glottis
It is categorized as none, mild, and moderate
Time frame: During endobronchial intubation
The incidence and severity of postoperative sore throat
It is quantified by using a 100-point numerical rating scale (NRS, 0 \[no pain\], 100 \[worst pain imaginable\]).
Time frame: At 1 and 24 hours after surgery
The incidence and severity of postoperative hoarseness
Hoarseness is defined as a voice quality different from the preoperative voice and graded as follows: none (no hoarseness), mild (recognized by the patient), moderate (obvious to the investigator), and severe (aphonia).
Time frame: At 1 and 24 hours after surgery
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