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Improvement of the Glottic View by Video Laryngoscope

NCT ID: NCT04620434

Last Updated: 2021-11-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

39 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-06-23

Study Completion Date

2021-12-31

Brief Summary

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This study aims to compare the exposure of glottis by the use of video and direct laryngoscopy.

Detailed Description

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It is well known that a video laryngoscope can provide better glottic view than a direct laryngoscope. However, to date, a direct laryngoscope has been the standard equipment for tracheal intubation. Recently, it seems that use of the video laryngoscope has increased. However, the advantage of the video laryngoscope over a direct laryngoscope has not been measured quantitatively. In this study, the glottic view by the use of video laryngoscope will be compared with that of the direct laryngoscope simultaneously, by using C-MAC S-imager installed with a disposable Macintosh blade. Intubating anesthesiologists will use it as if it is a direct laryngoscope. Simultaneously, the glottic views visualized on the monitor of the video laryngoscope will be recorded and evaluated later. For quantitative comparison, the glottic view will be scored with the Percentage of glottic opening scale, for both direct laryngoscopy and video laryngoscopy. Also, the glottic view will be compared by Cormack-Lehane grade.

Conditions

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Laryngoscope Intubation Laryngoscopy

Keywords

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Video laryngoscope Glottis Airway

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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patient

39 patients who are planning surgeries that require general anesthesia and tracheal intubation

Video laryngoscopic view

Intervention Type DEVICE

The glottic view on the screen of the video laryngoscope during laryngoscopy with a C-MAC video laryngoscope, which installed with Macintosh blade.

Direct laryngoscopic view

Intervention Type DEVICE

The glottic view evaluated by the anesthesiologist who performing tracheal intubation, by direct laryngoscopy with C-MAC installed with Macintosh blade.

Interventions

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Video laryngoscopic view

The glottic view on the screen of the video laryngoscope during laryngoscopy with a C-MAC video laryngoscope, which installed with Macintosh blade.

Intervention Type DEVICE

Direct laryngoscopic view

The glottic view evaluated by the anesthesiologist who performing tracheal intubation, by direct laryngoscopy with C-MAC installed with Macintosh blade.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients who are over 18 years old, and are planning surgeries that require general anesthesia and tracheal intubation.

Exclusion Criteria

* Patients who are not agreed to participate in the trial
* Patients who have a poor dental condition which requires other than direct laryngoscopy
* Patients who require rapid sequence induction technique
* Patients with cervical spine instability
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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SMG-SNU Boramae Medical Center

OTHER

Sponsor Role collaborator

Seoul National University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Dongwook Won

Associate professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Dongwook Won

Role: PRINCIPAL_INVESTIGATOR

SMG-SNU Boramae Medical Center

Locations

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SMG-SNU

Seoul, , South Korea

Site Status RECRUITING

Countries

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South Korea

Central Contacts

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Dongwook Won

Role: CONTACT

Phone: +82-2-870-2516

Email: [email protected]

Jung-Man Lee

Role: CONTACT

Phone: +82-2-870-2513

Email: [email protected]

References

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Arulkumaran N, Lowe J, Ions R, Mendoza M, Bennett V, Dunser MW. Videolaryngoscopy versus direct laryngoscopy for emergency orotracheal intubation outside the operating room: a systematic review and meta-analysis. Br J Anaesth. 2018 Apr;120(4):712-724. doi: 10.1016/j.bja.2017.12.041. Epub 2018 Feb 26.

Reference Type BACKGROUND
PMID: 29576112 (View on PubMed)

Kaplan MB, Hagberg CA, Ward DS, Brambrink A, Chhibber AK, Heidegger T, Lozada L, Ovassapian A, Parsons D, Ramsay J, Wilhelm W, Zwissler B, Gerig HJ, Hofstetter C, Karan S, Kreisler N, Pousman RM, Thierbach A, Wrobel M, Berci G. Comparison of direct and video-assisted views of the larynx during routine intubation. J Clin Anesth. 2006 Aug;18(5):357-62. doi: 10.1016/j.jclinane.2006.01.002.

Reference Type BACKGROUND
PMID: 16905081 (View on PubMed)

Levitan RM, Ochroch EA, Kush S, Shofer FS, Hollander JE. Assessment of airway visualization: validation of the percentage of glottic opening (POGO) scale. Acad Emerg Med. 1998 Sep;5(9):919-23. doi: 10.1111/j.1553-2712.1998.tb02823.x.

Reference Type BACKGROUND
PMID: 9754506 (View on PubMed)

Cormack RS, Lehane J. Difficult tracheal intubation in obstetrics. Anaesthesia. 1984 Nov;39(11):1105-11.

Reference Type BACKGROUND
PMID: 6507827 (View on PubMed)

Other Identifiers

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30-2020-25

Identifier Type: -

Identifier Source: org_study_id