Head Position for Endotracheal Intubation

Not Applicable

Completed

• Conditions: Intubation; Difficult
• Interventions: Other: Neck flexion

• Registration Number: NCT02418741
• Lead Sponsor: National Medical Center, Seoul

Brief Summary

The purpose of this study is to investigate whether degree of neck flexion affect on laryngeal view and discomfort during endotracheal intubation in adult patients.

Detailed Description

The neck flexion using a 8 to 10 cm head elevation has been suggested to align laryngeal, pharyngeal and oral axes and facilitate endotracheal intubation by direct laryngoscopy. There have been scarce clinical studies about the appropriate degree of neck flexion for endotracheal intubation. In the present study, the laryngeal view and physician's discomfort during endotracheal intubation were evaluated according to the two degrees of neck flexion(4 cm vs 8 cm) using a 4 or 8 cm height of pillows, respectively, in adult patients.

Study Timeline

• Study Start: 2013-08
• Primary Completion: 2014-04
• Study Completion: 2014-04
• Study First Submitted: 2014-10-12
• Status Verified: 2015-04
• Study First Submitted QC: 2015-04-15
• Study First Posted: 2015-04-16
• Last Update Submitted: 2015-04-18
• Last Update Posted: 2015-04-21

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 50

Inclusion Criteria

• Elective operation time ≤2hrs
• American Society of Anesthesiologist, Physical Status 1 or 2
• age ; 18 - 90 years

Exclusion Criteria

• patient has upper respiratory infection symptoms
• limited mouth opening
• teeth problems
• expecting difficult airway
• congenital heart disease
• patient has a possibility of aspiration pneumonia

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
Degree of neck flextion	Neck flexion	Two degrees of neck flexion were achieved using a 4 cm or 8 cm height of pillow

Primary Outcome Measures

Name	Time	Method
Laryngeal view as index of ease of insertion	one year	Cormack Lehane grade during endotracheal intubation

Secondary Outcome Measures

Name	Time	Method
Discomfort of anesthesiologist during endotracheal intubation	one year	Anesthesiologist can feel difficulties in mouth opening and in insertion of laryngoscopic blade into oral cavity according to the degrees of neck flexion

Trial Locations

Locations (1)

National Medical Center; 🇰🇷 Seoul, Junggu, Korea, Republic of