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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06061250
Other study ID # 2308-119-1459
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date October 16, 2023
Est. completion date October 31, 2024

Study information

Verified date October 2023
Source Seoul National University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Patients undergoing video-assisted thoracoscopic surgery requiring double-lumen tube intubation are randomized into two groups; gum group and control group. In the gum group, patients are instructed to chew gum for 2 minutes, approximately 10 minutes before induction of anesthesia. Patients in the control group are instructed to swallow saliva twice. Postoperative sore throat and hoarseness are assessed 30 minutes after recovery room admission, and at 2 and 24 hours after extubation.


Description:

Patients scheduled for video-assisted thoracoscopic surgery requiring double-lumen tube intubation and who agree to participate in the study are randomized to the gum chewing group and the control group. All clinical procedures are identical in both groups except for preoperative gum chewing. The gum chewing group chew gum for approximately 2 minutes, 10 minutes before induction of anesthesia. The control group do not chew gum and be induced to swallow saliva twice at the same time point. All patients are endotracheally intubated with a double-lumen tube using video laryngoscopy to provide unilateral pulmonary ventilation. Extubation is performed according to routine procedures, and the tube is assessed with whether there are blood stains at extubation. At 30 minutes in the recovery room and at 2 hours and 24 hours after extubation, the patient's sore throat is assessed for presence and intensity assessed by a 11-point numerical pain scale (minimal value 0 representing absence of pain, maximal value 10 representing the worst possible pain). Hoarseness at the same time points is also assessed for presence and severity. The presence of intubation-related complications (aspiration pneumonia) is assessed as a safety measure.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 192
Est. completion date October 31, 2024
Est. primary completion date August 31, 2024
Accepts healthy volunteers No
Gender All
Age group 19 Years to 75 Years
Eligibility 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

Study Design


Intervention

Dietary Supplement:
Chewing a piece of gum (Xylitol gum, LOTTE WELLFOOD, Korea) before induction of anesthesia
To replicate Xylitol chewing gum, which has been shown to reduce postoperative sore throat in previous studies of single-lumen endotracheal tubes and supraglottic airways, the investigators will use a commercially available gum from South Korea.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Seoul National University Hospital

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of postoperative sore throat at 24 hours after extubation Incidence of postoperative sore throat at 24 hours after extubation, described as percentage of patients with sore throat out of all patients in the same group. 24 hours after extubation
Secondary Intensity of postoperative sore throat at 24 hours after extubation Intensity of postoperative sore throat at 24 hours after extubation, assessed with 11-point numeric rating scale (minimal value 0 representing absence of pain, maximal value 10 representing the worst possible pain). 24 hours after extubation
Secondary Incidence of postoperative sore throat at 30 minutes in recovery room and 2 hours after extubation Incidence of postoperative sore throat at 30 minutes in recovery room and 2 hours after extubation, described as percentage of patients with sore throat out of all patients in the same group. 30 minutes in recovery room and 2 hours after extubation
Secondary Intensity of postoperative sore throat at 30 minutes in recovery room and 2 hours after extubation Intensity of postoperative sore throat at 30 minutes in recovery room and 2 hours after extubation, assessed with 11-point numeric rating scale (minimal value 0 representing absence of pain, maximal value 10 representing the worst possible pain). 30 minutes in recovery room and 2 hours after extubation
Secondary Incidence of hoarseness at 30 minutes in recovery room, and at 2 and 24 hours after extubation Incidence of hoarseness at 30 minutes in recovery room, and at 2 and 24 hours after extubation, described as percentage of patients with hoarseness out of all patients in the same group. At 30 minutes in recovery room, and at 2 and 24 hours after extubation
Secondary Intensity of hoarseness at 30 minutes in recovery room, and at 2 and 24 hours after extubation Intensity of hoarseness at 30 minutes in recovery room, and at 2 and 24 hours after extubation, assessed with 4-step scale (none, mild, moderate, and severe). At 30 minutes in recovery room, and at 2 and 24 hours after extubation
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