Patient Positions for Locating the Cricothyroid Membrane

Cricothyroid Membrane Clinical Trial

Official title:

Comparison of Patient Positions for Locating the Cricothyroid Membrane

Clinical Trial Details — Status: Not yet recruiting

Administrative data

• NCT number: NCT05043025
• Other study ID #: 08-2021
• Status: Not yet recruiting
• Phase: N/A
• Start date: October 1, 2021
• Est. completion date: June 30, 2022

Study information

• Verified date: September 2021
• Source: SMG-SNU Boramae Medical Center
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

Cricothyroidotomy is an emergency rescue technique to secure the airway in a 'Can't intubate, Can't Oxygenate' (CICO) situation. The cricothyroid membrane (CTM) is the target site of cricothyroidotomy, and accurate identification of the CTM is essential for successful cricothyroidotomy. In this study, the investigators compare patient positions (neck extension vs. modified ramped position) in terms of the success rate for identifying the CTM in obese patients.

Recruitment information / eligibility

• Status: Not yet recruiting
• Enrollment: 138
• Est. completion date: June 30, 2022
• Est. primary completion date: June 30, 2022
• Accepts healthy volunteers: No
• Gender: Female
• Age group: 19 Years and older

Eligibility

Inclusion Criteria:

• body mass index >30 kg/m2

Exclusion Criteria:

• anatomical abnormalities or pathologies of the neck or larynx

• a history of neck surgery.

Related Conditions & MeSH terms

• Cricothyroid Membrane

Intervention

Other:
• Identification of the cricothyroid membrane
The cricothyroid membrane is identified using a laryngeal handshake technique in different patient positions.

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
SMG-SNU Boramae Medical Center

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Success rate for the correct identification of the cricothyroid membrane	After identifying the cricothyroid membrane using a laryngeal handshake technique in different head positions, an assessor evaluates the correctness of its localization using ultrasound.	Immediately after identifying the cricothyroid membrane using a laryngeal handshake technique
Secondary	Duration for identifying the cricothyroid membrane	Time taken to locate the cricothyroid membrane is checked.	At 90 seconds after administering neuromuscular blockade
Secondary	Distances between the center of the actual and perceived cricothyroid membrane	Distances between the center of the actual and perceived cricothyroid membrane is measured using ultrasound.	Immediately after identifying the cricothyroid membrane using a laryngeal handshake technique
Secondary	Perceived difficulty during cricothyroid membrane identification	Anatomical difficulty perceived by the anesthesiologists during cricothyroid membrane identification is assessed (1, very easy; 2, easy; 3, moderate; 4, difficult; and 5, very difficult).	At 5 minutes after identifying the cricothyroid membrane using a laryngeal handshake technique