Effect of Gum Chewing on Sore Throat After Double-lumen Tube Intubation

Inclusion Criteria: * Patients aged 19-75 years undergoing routine video-assisted thoracoscopic surgery scheduled for double-lumen tube intubation * Patients who are able to provide written informed consent to participate in the study and understand the procedures of this study * American Society of Anesthesiologists physical status classification (ASA physical status classification) grade 1-2 Exclusion Criteria: * Patients who have not consented to the study * American Society of Anesthesiologists physical status classification (ASA physical status classification) grade 3-4 * Patients with poor dental health that limits chewing gum or tracheal intubation * Patients who are expected to be difficult to intubate * Patients with a history of aspiration pneumonia * Patients being treated for chronic laryngitis, chronic bronchitis, asthma, reflux esophagitis * Patients with a history of smoking within the past week * Patients who have difficulty communicating or carrying out gum chewing and spitting instructions * Patients with hypersensitivity to Xylitol gum ingredients * Patients taking narcotic analgesics, antidepressants, and anticonvulsants for chronic pain * Patients requiring endotracheal intubation or intensive care unit treatment after surgery * Patients who, in the opinion of the investigator or study staff, are not appropriate candidates for this study