Comparison of Different Stylet Angles for Orotracheal Intubation Using C-MAC® Video Laryngoscopes in Infants

Not Applicable

Completed

• Conditions: Intubation
• Interventions: Other: Style curve similar to hockey stick shape; Other: Style curve similar to natural curvature of endotracheal tube

• Registration Number: NCT04745936
• Lead Sponsor: Seoul National University Hospital

Brief Summary

The purpose of this study is to investigate whether the difference in stylet curvature affects the ease of tracheal intubation using C-MAC videolaryngoscope in infants under 1 year of age.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2021-02-04
• Study First Submitted QC: 2021-02-04
• Study First Posted: 2021-02-09
• Study Start: 2021-03-03
• Status Verified: 2022-05
• Primary Completion: 2022-05-20
• Study Completion: 2022-05-20
• Last Update Submitted: 2022-05-30
• Last Update Posted: 2022-06-01

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 114

Inclusion Criteria

① Infants under 1 year old scheduled for elective surgery under general anesthesia

② American Society of Anesthesiology physical status I, II

Exclusion Criteria

• Any pulmonary disease

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Hockey stick curve group (group H)	Style curve similar to hockey stick shape	In group H, stylet curvature is made similar to hockey stick shape.
C-curve group (group C)	Style curve similar to natural curvature of endotracheal tube	In group C, stylet curvature is made similar to the natural curvature of endotracheal tube.

Primary Outcome Measures

Name	Time	Method
Tube handling time	during procedure	From glottis visualization to completion of tracheal intubation

Secondary Outcome Measures

Name	Time	Method
The location of the initial tube tip	during procedure	The location of the initial tube tip on the screen of C-MAC
Easiness of tracheal intubation	during procedure	Visual analogue scale (0-10, 0: extremely easy, 10: extremely difficult)
Total intubation time	during procedure	From insertion of C-MAC blade to completion of tracheal intubation
Additional manipulation of stylet angle	during procedure
Time to reaching glottis	during procedure	From visualization of glottis to reaching the glottis of tube tip
Successful tracheal intubation	during procedure, within 30 sec	Incidence of successful intubation within 30 sec
Number of external laryngeal manipulation	during procedure

Trial Locations

Locations (1)

Seoul National University Hospital; 🇰🇷 Seoul, Korea, Republic of