Predictive Factors of the Difficult Intubation When Using the Videolaryngoscope

February 10, 2019 updated by: Yonsei University
The usefulness of videolaryngoscope has been verified by several studies, and the frequency of videolaryngoscopy is increasing in clinical practice. Data on the use of videolaryngoscopes, however, were not sufficiently accumulated when compared with data on the use of previously used macintosh laryngoscopes. In addition, videolaryngoscopy increases the success rate of endotracheal intubation compared to conventional macintosh laryngoscopy, but endotracheal intubation with videolaryngoscope is not successful in all cases with one intubation attempt. Therefore, if the difficult endotracheal intubation with the videolaryngoscope can be predicted in advance, it may be possible to improve the success rate of intubation by reducing unnecessary use of the videolaryngoscope and preparing other equipment. There are many studies on the preoperative examination that can predict the difficulty of intubation when using a macintosh laryngoscope. However, there are still attempts to find screening tests that predict precisely the difficult endotracheal intubation because the accuracy of screening tests is not high. In particular, there is a lack of research on factors that can predict difficult endotracheal intubation when using videolaryngoscope. Therefore, the investigators aimed to investigate the factors predictive of difficult endotracheal intubation when attempting intubation using videolaryngoscope.

Study Overview

Status

Completed

Conditions

Study Type

Observational

Enrollment (Actual)

808

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Korea, Republic of
      • Seoul, Korea, Republic of, 03722
        • Department of anesthesiology and pain medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

19 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients who are scheduled for endotracheal intubation using videolaryngoscope for general anesthesia

Description

Inclusion Criteria:

1. Patients who are scheduled for endotracheal intubation using a videolaryngoscope for general anesthesia

Exclusion Criteria:

  1. Patients who are planned to receive awake intubation
  2. Patients who have a tracheostomy tube
  3. Patients who do not cooperate in evaluating the head and neck due to mental retardation
  4. Trauma patient wearing a neck collar due to cervical fracture
  5. Pregnancy

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
1. Easy endotracheal intubation
Easy endotracheal intubation
2. Difficult endotracheal intubation
Difficult endotracheal intubation

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
the occurrence of the difficult endotracheal intubation when using a videolaryngoscope.
Time Frame: 10 minutes during the induction of general anesthesia.
logistic regression analysis will be used to find out the predictors of the difficult endotracheal intubation.
10 minutes during the induction of general anesthesia.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Yonsei University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

July 17, 2017

Primary Completion (Actual)

November 14, 2018

Study Completion (Actual)

November 14, 2018

Study Registration Dates

First Submitted

July 9, 2017

First Submitted That Met QC Criteria

July 11, 2017

First Posted (Actual)

July 12, 2017

Study Record Updates

Last Update Posted (Actual)

February 12, 2019

Last Update Submitted That Met QC Criteria

February 10, 2019

Last Verified

February 1, 2019

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 1-2017-0035

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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