Comparison of the Cuff Pressure of a Taper-guard Cuffed Tube Between Ipsilateral and Contralateral Rotation of Head

K

Kyungpook National University

Status

Completed

Conditions

Airway Management
Anesthesia, Endotracheal

Treatments

Procedure: Contralateral rotation of head
Procedure: Ipsilateral rotation of head

Study type

Interventional

Funder types

Other

Identifiers

NCT03524586
2017-12-001-002

Details and patient eligibility

About

This study evaluates the endotracheal tube cuff pressure of a taper-guard cuffed tube during tympanoplasty with ipsilateral rotation of head, compared to the contralateral rotation of head. The investigators will performed the ipsilateral rotation of head against the fixed tube in half of participants or the contralateral rotation of head in the other half.

Full description

The inflation of the endotracheal tube cuff is very useful to prevent aspiration of contaminated substances into lung past endotracheal tube and leakage of gas during positive pressure ventilation. However, excessive inflation of endotracheal tube cuff frequently causes tracheal mucosal damage, which can increase the incidence of sore throat, hoarseness, and coughing after surgery. Taper-guard cuffed tube was newly developed. Taper-guard endotracheal tube is more effective in providing a sealing effect than a cylindrical endotracheal tube in an in vitro study. However, recently, it was reported that the cuff pressure of a Taper-guard endotracheal tube significantly increased after a positional change from the supine to the lateral flank position, compared to that of a cylindrical endotracheal tube. However, during tympanoplasty, the investigators need to rotate head for proper position. In this study, therefore, the investigators investigate the difference of the endotracheal tube cuff pressure of a taper-guard cuffed tube between ipsilateral and contralateral rotation of head against the fixed tube during tympanoplasty.

Enrollment

52 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • American Society of Anesthesiologists physical status classification I-III for a tympanoplasty under general anesthesia

Exclusion criteria

  • history of difficult intubation, limited neck movement, respiratory diseases, and body mass index >35kg/m2

Trial design

Primary purpose

Screening

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

52 participants in 2 patient groups

Ipsilateral rotation of head
Experimental group
Description:
Head was laterally rotated to the same side against fixed tube
Treatment:
Procedure: Ipsilateral rotation of head
Contralateral rotation of head
Active Comparator group
Description:
Head was laterally rotated to the opposite side against fixed tube
Treatment:
Procedure: Contralateral rotation of head

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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