Thermosoftening of Double-lumen Tube for Airway Exchanger Catheter

Not Applicable

Completed

• Conditions: Intubation Complication; Hoarseness; Sore Throat

• Registration Number: NCT03846713
• Lead Sponsor: Seoul National University Hospital

Brief Summary

The purpose of this study is to investigate the effect of double-lumen tube thermal-softening before intubation on the success rate of tube exchange by airway exchange catheter.

Detailed Description

Not available

Study Timeline

• Study Start: 2017-12-27
• Study First Submitted: 2019-01-09
• Study First Submitted QC: 2019-02-18
• Study First Posted: 2019-02-20
• Primary Completion: 2019-03-31
• Study Completion: 2019-05-31
• Status Verified: 2025-06
• Last Update Submitted: 2025-06-19
• Last Update Posted: 2025-06-25

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 102

Inclusion Criteria

• Patients undergoing thoracic surgery that requires bronchoscopy study before the placement of double-lumen tubes

Exclusion Criteria

• Preoperative hoarseness or a sore throat
• History of upper airway diseases
• Anticipated difficult airway

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Primary Outcome Measures

Name	Time	Method
Time to intubate	Intraoperative (During exchanging single- to double-lumen tube)	Length of time to exchange endotracheal tube from single- to double-lumen tube using airway exchange catheter.

Secondary Outcome Measures

Name	Time	Method
Vocal cord injuries assessed by videolaryngoscope	up to 1 hour after double-lumen tube extubation	vocal cord injuries observed after tube-exchange
Postoperative hoarseness (4-points scoring)	up to 48 hours after surgery
postoperative sore throat (4-points scoring)	up to 48 hours after surgery

Trial Locations

Locations (1)

Seoul National University Hospital; 🇰🇷 Seoul, Korea, Republic of