Modified Laryngeal Handshake Technique for Locating the Cricothyroid Membrane
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Enrollment
- 200
- Locations
- 2
- Primary Endpoint
- The accuracy to localize the cricothyoid membrane
Study Overview
Brief Summary
In this study, we compare the conventional laryngeal handshake technique and modified laryngeal handshake technique for locating the cricothyroid membrane in terms of accuracy and speed. The conventional laryngeal handshake technique is performed with the non-dominant hand, identifying the hyoid bone and thyroid laminae, stabilizing the larynx between thumb and middle finger, and moving down the neck to palpate the cricothyroid membrane with the index finger.
The modified laryngeal handshake is performed with the non-dominant hand, stabilizing the trachea between thumb and middle finger from the suprasternal notch and moving up the neck to palate the cricoid cartilage and cricothyroid membrane with the index finger.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Diagnostic
- Masking
- Double (Participant, Care Provider)
Eligibility Criteria
- Ages
- 20 Years to — (Adult, Older Adult)
- Sex
- Female
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Patients who would be scheduled elective surgery under general anesthesia
Exclusion Criteria
- •Diseases or anatomical abnormalities in the neck or larynx
- •History of neck surgery
Outcomes
Primary Outcomes
The accuracy to localize the cricothyoid membrane
Time Frame: 1 minute after identifying the cricothyroid membrane using the conventional or modified laryngeal handshake technique
The accuracy of the cricothyroid membrane identified by the conventional and modified handshake techniques are evaluated.
Secondary Outcomes
- Time to localize the cricothyroid membrane(through the identification of cricothyroid membrane, an average of 5 minutes)
- The accuracy to localize the midline of the neck(through the identification of cricothyroid membrane, an average of 5 minutes)
- The vertical and horizontal distances between the actual and perceived cricothyroid membrane(through the identification of cricothyroid membrane, an average of 5 minutes)
Investigators
Jin-Young Hwang
Associate professor
SMG-SNU Boramae Medical Center