Determining the Depth of Endotracheal Tube Insertion

The Catholic University of Korea176 enrolled

Overview

1. Airway length from the medial incisor to carina is divided into four segments ; the length from medial incisor to mouth angle, mouth angle to epiglottis, epiglottis to vocal cords and vocal cords to carina. 2. Determining the mean length of each segments with the direct laryngoscope, videolaryngoscope and fiberoptic bronchoscope at the time of endotracheal intubation. 3. Making a new formula to determine the proper individualized depth of intubation on the basis of the length of segments 4. Virtual experiment : comparing the new formula with conventional method of determining the depth of endotracheal intubation

Study Type

OBSERVATIONAL

Enrollment

176

Conditions

Endotracheal Intubation Individualized Depth of Endotracheal Intubation

Eligibility

Sex: ALLMin age: 20 YearsMax age: 90 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Patients who are scheduled to take general anesthesia with endotracheal intubation Exclusion Criteria: * Patients undergoing general anesthesia with face mask ventilation or laryngeal mask airway

Locations (1)

Outcomes

Primary Outcomes

Comparison of Airway Length Between Male and Female

Airway length is defined the distance from medial incisor to carina. It is divided into four parts. It is medial incisor to mouth angle, mouth angle to epiglottis tip, epiglottis tip to vocal cords and vocal cords to carina.