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Endotracheal Tube Audible Leak Test

NCT02461017 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 86

Last updated 2017-07-02

No results posted yet for this study

Summary

The endotracheal tube (ETT) leak test (LT), or audible leak test is a widely performed assessment to verify appropriate tube size in neonates, infants and children. However, many factors are known to influence the audible leak test. Even though the test is widely performed, the accuracy has not been evaluated.

Conditions

  • Anesthesia Intubation Complication
  • Mechanical Ventilation Complication

Interventions

OTHER

Assess for Audible Endotracheal Leak

In supine position, the head will be positioned in neutral position. With fresh gas flow at 2-5L/min, and pop off valve in the anesthesia machine closed and pressure in the inspiratory circuit is slowly increased until an audible leak is heard at the mouth. That pressure will be recorded.

OTHER

Assess for Endotracheal Leak with direct visualization under rigid bronchoscope

In the same patient position, a flexible nasal laryngoscope will be inserted and positioned superior to the laryngeal inlet by the surgeon. With fresh gas flow at 2-5L/min, and pop off valve in the anesthesia machine closed, the pressure in the inspiratory circuit will be increased slowly until a leak around the TT will be visualized by inspecting the supraglottic area for bubbles or air movement around the TT. The peak pressure at which leak is observed physically will be recorded. This is the end of the study.

Sponsors & Collaborators

  • University of Mississippi Medical Center

    lead OTHER

Principal Investigators

  • Madhankumar Sathyamoorthy, MBBS, MS · Univeristy of Mississippi Medical Center

Eligibility

Min Age
1 Month
Max Age
8 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2015-12-07
Primary Completion
2017-01-09
Completion
2017-02-21

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02461017 on ClinicalTrials.gov