Thermosoftening of Double-lumen Tube to Reduce Sore Throat

Seoul National University

Status: Completed

Conditions: Hoarseness; Sore Throat; Vocal Cord Injuries

Treatments: Procedure: non-thermosoftening; Procedure: thermosoftening

Study type: Interventional

Funder types: Other

Identifiers

NCT01626365

JHBahk_DLT_thermosoftening

Details and patient eligibility

About

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

Enrollment: 154 estimated patients

Sex: All

Ages: 20 to 75 years old

Volunteers: No Healthy Volunteers

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

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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154 participants in 2 patient groups

non-thermosoftening

Active Comparator group

Description:

Double-lumen tube is put into a bottle of normal saline at room temperature (25°C) before intubation.

Treatment:

Procedure: non-thermosoftening

thermosoftening

Experimental group

Description:

Double-lumen tube is put into a bottle of warm normal saline (40°C) before intubation.

Treatment:

Procedure: thermosoftening