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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05251194
Other study ID # 20-2022-3
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 25, 2022
Est. completion date May 31, 2022

Study information

Verified date March 2023
Source Seoul National University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

For thyroid surgery, the special body position (thyroid surgical position) to exposure the patient's neck should be needed. For intraoperative neuromonitoring (IONM) in thyroid surgery, the tube should be placed at a specific position. A video laryngoscope can have advantages in tracheal intubation on thyroid surgical position for thyroid surgery. The purpose of the study is to investigate the effect of McGrath video laryngoscope on the glottic view when tracheal intubation is performed at the thyroid surgical position.


Description:

For thyroid surgery, the special body position (thyroid surgical position) to exposure the patient's neck should be needed. Meanwhile, the tracheal tube can be moved in the trachea from the supine position to thyroid surgical position if tracheal intubation is performed at the supine position. For intraoperative neuromonitoring (IONM) in thyroid surgery, the electrode of the tracheal tube must be placed at a specific position, that is between the vocal cords. To perform initially tracheal intubation on the thyroid surgical position, therefore, can have advantage in terms of stability of tube position in the trachea without displacement by body position change. However, tracheal intubation on thyroid surgical position might be hard in terms of obtaining a good glottic view. It is well known that video laryngoscopes can improve the glottic view. Therefore, a video laryngoscope can have advantages in tracheal intubation on thyroid surgical position for thyroid surgery in obtaining the good glottic view as well as minimal displacement of the tracheal tube because there is no need to change the patient's position. The purpose of the study is to investigate the effect of McGrath video laryngoscope on the glottic view when tracheal intubation is performed at the thyroid surgical position.


Recruitment information / eligibility

Status Completed
Enrollment 39
Est. completion date May 31, 2022
Est. primary completion date May 23, 2022
Accepts healthy volunteers No
Gender All
Age group 19 Years and older
Eligibility Inclusion Criteria: - patients schedule to thyroid surgery Exclusion Criteria: - disagree to participate - patients with weak teeth

Study Design


Related Conditions & MeSH terms


Intervention

Device:
video laryngoscope at thyroid surgical position
After induction of anesthesia and muscle relaxation, the patient will be positioned with a standard pillow to exposure neck for thyroid surgery (thyroid surgical position). Then, tracheal intubation will be performed with a McGrath video laryngoscope. During laryngoscopy with the McGrath video laryngoscope, the intubation practitioner will record the modified Cormack-Lehane grade and the percentage of glottic opening (POGO) score when it is assumed that a direct laryngoscope is used and when using the video laryngoscope, respectively.

Locations

Country Name City State
Korea, Republic of Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul

Sponsors (2)

Lead Sponsor Collaborator
Seoul National University Hospital SMG-SNU Boramae Medical Center

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary direct modified Cormack-Lehane grade without external manipulation During laryngoscopy, the modified Cormack-Lehane grade without external manipulation as if the laryngoscope is assumed as a direct laryngoscope at tracheal intubation
Primary direct percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) without external manipulation During laryngoscopy, the percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) without external manipulation as if the laryngoscope is assumed as a direct laryngoscope at tracheal intubation
Primary video modified Cormack-Lehane grade without external manipulation During laryngoscopy, the modified Cormack-Lehane grade without external manipulation as if the laryngoscope is used as a video laryngoscope at tracheal intubation
Primary video percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) without external manipulation During laryngoscopy, the percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) without external manipulation as if the laryngoscope is used as a video laryngoscope at tracheal intubation
Primary direct modified Cormack-Lehane grade with external manipulation During laryngoscopy, the modified Cormack-Lehane grade with external manipulation as if the laryngoscope is assumed as a direct laryngoscope at tracheal intubation
Primary direct percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) with external manipulation During laryngoscopy, the percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) with external manipulation as if the laryngoscope is assumed as a direct laryngoscope at tracheal intubation
Primary video modified Cormack-Lehane grade with external manipulation During laryngoscopy, the modified Cormack-Lehane grade with external manipulation as if the laryngoscope is used as a video laryngoscope at tracheal intubation
Primary video percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) with external manipulation During laryngoscopy, the percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) with external manipulation as if the laryngoscope is used as a video laryngoscope at tracheal intubation
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