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Ultrasound Study of the Airway to Predict Endotracheal Tube Size in Anesthetized Pediatric Patients

Ultrasound Study of the Airway to Predict Endotracheal Tube Size in Anesthetized Pediatric Patients

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02321956
Enrollment
93
Registered
2014-12-22
Start date
2015-01-31
Completion date
2016-03-31
Last updated
2017-06-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pediatric General Anesthesia With Endotracheal Tube

Keywords

ASA class 1,2, age 1-6 years, General anesthesia with ETT

Brief summary

The purpose of this study is to determine whether ultrasound study of the airway to predict endotracheal tube size in anesthetized pediatric patients better than the tube size formula

Detailed description

This study is to compare the methods of selecting uncuffed endotracheal tube size in pediatric patients between conventional age-based formula and ultrasound measurement of subglottic diameter.

Interventions

DIAGNOSTIC_TESTUltrasound

Using ultrasound to determine the size of endotracheal tube

Sponsors

Siriraj Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DIAGNOSTIC
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

Sealed envelops were used. Ultrasonographers were masked with the group of patients. Participants were masked with the techniques of selecting endotracheal tubes. Care providers and outcome assessors were masked with the techniques of selecting. endotracheal tubes

Intervention model description

randomized controlled trial

Eligibility

Sex/Gender
ALL
Age
1 Years to 6 Years
Healthy volunteers
Yes

Inclusion criteria

* Age 1-6 Years * ASA class 1-2 * Elective Surgery * GA with oral uncuff endotracheal tube

Exclusion criteria

* Potential difficult air way from history and physical exam * Allergy ti ultrasound gel * neck mass * unstable vital sign

Design outcomes

Primary

MeasureTime frameDescription
Proper size of endotracheal tube1 yearClinically fit of endotracheal tube with leak at 20-25 cmH2O

Secondary

MeasureTime frameDescription
Correlation of subglottic diameter and proper size endotracheal tube1 yearCorrelation of subglottic diameter measured by ultrasound and proper size endotracheal tube determined by clinically fit.

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026