New Formula for Selection of Proper Size of Endotracheal Tube (ETT) in Children: Ultrasonographic Examination

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

215 participants

Study Classification

OBSERVATIONAL

Study Start Date

2010-02-28

Study Completion Date

2011-02-28

Brief Summary

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Choosing the adequate size of endotracheal tube(ETT) in pediatric patients is important in all anesthesiologists, pediatricians, and critical care specialists. Inadequate ETT size will results in soft tissue injury to trachea by means of the pressure, insufficient ventilation, and aspiration, therefore choosing the adequate ETT size has very important clinical aspect.

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Detailed Description

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Choosing the adequate size of endotracheal tube(ETT) in pediatric patients is important in all anesthesiologists, pediatricians, and critical care specialists. Inadequate ETT size will results in soft tissue injury to trachea by means of the pressure, insufficient ventilation, and aspiration, therefore choosing the adequate ETT size has very important clinical aspect.

Subglottis is the narrowest portion of upper airway. Thus, ETT size should be determined according to the subglottic diameter. Several conventional methods are available to determine ETT size. These methods are based on the demographic data of patient, such as age, weight, height, but could not be customized for each patient. Ultrasonography (US) is one of the most accurate method to measure the subglottic diameter. Also, US is quick, easy to perform, and non-invasive measure. The investigators tried to measure the exact subglottic diameter with US and analyze the correlation of the diameter and demographical data. Furthermore, the investigators will try to develop the equation that could determine the adequate ETT size based on demographical data, instead of actually measuring the subglottic diameter using US.

Conditions

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Elective Urological Surgery

Study Design

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Observational Model Type

CASE_ONLY

Study Groups

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ultrasonography children

American Society of Anesthesiologists (ASA) I-II children between the age 0-7, undergoing elective urological surgery, such as inguinal hernia repair, orchiopexy, ureteroneocystostomy

No interventions assigned to this group