Thermosoftening of Double-lumen Tube to Reduce Sore Throat

The Effect of Double-lumen Tube Thermosoftening Before Intubation to Reduce Hoarseness and Sore Throat

The purpose of this study is to investigate the effect of double-lumen tube thermosoftening before intubation to reduce postoperative hoarseness and sore throat.

Inclusion Criteria:

• Patients undergoing thoracic surgery that require the placement of left-sided double-lumen tubes

Exclusion Criteria:

• Preoperative hoarseness or sore throat
• History of upper airway diseases
• Anticipated difficult airway
• Anesthesia time longer than 6 hours