To compare the cuff pressure in lateral position between barrel-shaped cuff and taper-shaped cuff
The position of endotracheal tubes depends on the position of the patients. The change of the tube's position is known to influence the pressure of tube's cuff. The shape of the cuff (barrel-shaped versus tapered-shaped) may affect the tube's migration degree because of the difference of the frictional force. The investigator try to compare the the cuff pressure after supine-to-lateral position change between barrel-shaped cuff and taper-shaped cuff.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
58
Seoul National University Hospital
Seoul, South Korea
The cuff pressure after supine-to-lateral position change
The cuff pressure will be measured after supine-to-lateral position change using the Manometer Portex®.
Time frame: At 10 minutes after anesthetic induction
The distance from the tube to the carina
The distance from the tube to the carina will be measured using bronchoscopy after supine-to-lateral position change.
Time frame: At 10 minutes after anesthetic induction
Complications related to endotracheal tube
Complications related to endotracheal tube (sore throat, hoarseness, dysphagia and cough) will be measured as 0:none, 1:mild, 2:moderate, 3:severe at 0, 2, and 24 hours postoperatively.
Time frame: At 0, 2, and 24 hours postoperatively
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