Double-lumen Tube Intubation Technique to Reduce Laryngeal Injuries

A Comparison of Two Methods for Intubation With Double-lumen Endobronchial Tube to Reduce Laryngeal Injuries

The purpose of this study is to devise the method to reduce laryngeal injuries during double-lumen tube intubation.

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
• Operation time longer than 6 hours