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The Effect of McGrath Video Laryngoscope on the Glottic View at Thyroid Surgery Position

Primary Purpose

Thyroid Surgery

Status
Completed
Phase
Not Applicable
Locations
Korea, Republic of
Study Type
Interventional
Intervention
video laryngoscope at thyroid surgical position
Sponsored by
Seoul National University Hospital
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Thyroid Surgery

Eligibility Criteria

19 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • patients schedule to thyroid surgery

Exclusion Criteria:

  • disagree to participate
  • patients with weak teeth

Sites / Locations

  • Seoul Metropolitan Government Seoul National University Boramae Medical Center

Arms of the Study

Arm 1

Arm Type

Experimental

Arm Label

video laryngoscope at thyroid surgical position

Arm Description

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. Next, the intubation practitioner will perform tracheal intubation with it.

Outcomes

Primary Outcome Measures

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
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
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
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
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
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
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
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

Secondary Outcome Measures

Full Information

First Posted
February 11, 2022
Last Updated
March 29, 2023
Sponsor
Seoul National University Hospital
Collaborators
SMG-SNU Boramae Medical Center
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1. Study Identification

Unique Protocol Identification Number
NCT05251194
Brief Title
The Effect of McGrath Video Laryngoscope on the Glottic View at Thyroid Surgery Position
Official Title
The Effect of McGrath Video Laryngoscope on the Glottic View at Thyroid Surgery Position in Tracheal Intubation
Study Type
Interventional

2. Study Status

Record Verification Date
March 2023
Overall Recruitment Status
Completed
Study Start Date
March 25, 2022 (Actual)
Primary Completion Date
May 23, 2022 (Actual)
Study Completion Date
May 31, 2022 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Seoul National University Hospital
Collaborators
SMG-SNU Boramae Medical Center

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief 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.
Detailed 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.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Thyroid Surgery

7. Study Design

Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
39 (Actual)

8. Arms, Groups, and Interventions

Arm Title
video laryngoscope at thyroid surgical position
Arm Type
Experimental
Arm Description
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. Next, the intubation practitioner will perform tracheal intubation with it.
Intervention Type
Device
Intervention Name(s)
video laryngoscope at thyroid surgical position
Intervention Description
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.
Primary Outcome Measure Information:
Title
direct modified Cormack-Lehane grade without external manipulation
Description
During laryngoscopy, the modified Cormack-Lehane grade without external manipulation as if the laryngoscope is assumed as a direct laryngoscope
Time Frame
at tracheal intubation
Title
direct percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) without external manipulation
Description
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
Time Frame
at tracheal intubation
Title
video modified Cormack-Lehane grade without external manipulation
Description
During laryngoscopy, the modified Cormack-Lehane grade without external manipulation as if the laryngoscope is used as a video laryngoscope
Time Frame
at tracheal intubation
Title
video percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) without external manipulation
Description
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
Time Frame
at tracheal intubation
Title
direct modified Cormack-Lehane grade with external manipulation
Description
During laryngoscopy, the modified Cormack-Lehane grade with external manipulation as if the laryngoscope is assumed as a direct laryngoscope
Time Frame
at tracheal intubation
Title
direct percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) with external manipulation
Description
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
Time Frame
at tracheal intubation
Title
video modified Cormack-Lehane grade with external manipulation
Description
During laryngoscopy, the modified Cormack-Lehane grade with external manipulation as if the laryngoscope is used as a video laryngoscope
Time Frame
at tracheal intubation
Title
video percentage of glottic opening score (POGO score: 0 - 100, 100 means full visualization of vocal cords) with external manipulation
Description
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
Time Frame
at tracheal intubation

10. Eligibility

Sex
All
Minimum Age & Unit of Time
19 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: patients schedule to thyroid surgery Exclusion Criteria: disagree to participate patients with weak teeth
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Jung-Man Lee, MD.PhD
Organizational Affiliation
SMG-SNU Boramae Medical Center
Official's Role
Principal Investigator
Facility Information:
Facility Name
Seoul Metropolitan Government Seoul National University Boramae Medical Center
City
Seoul
ZIP/Postal Code
07061
Country
Korea, Republic of

12. IPD Sharing Statement

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The Effect of McGrath Video Laryngoscope on the Glottic View at Thyroid Surgery Position

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