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Comparison of Conventional Lightwand Intubation Versus Video-laryngoscope Guided Lightwand Intubation in Simulated Cervical Spine-immobilized Patients

NCT ID: NCT03169556

Last Updated: 2017-10-30

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

COMPLETED

Clinical Phase

NA

Total Enrollment

318 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-12-19

Study Completion Date

2017-10-13

Brief Summary

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Among advanced intubation equipment for difficult intubation, a lighted stylet (lightwand) is a widely used equipment in cervical immobilized patients. However, a lightwand, which is used blind, is difficult to make midline positioning and can increase airway complications and hemodynamic changes. In contrast, videolaryngoscope can view vocal cord indirectly through camera, however, it requires cervical movement. Therefore, investigator hypothesized that the combined use of video-laryngoscope and lightwand for intubation can improve the efficacy of intubation compared to the use of lightwand alone in cervical immobilized patients.

Detailed Description

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Conditions

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General Anesthesia

Keywords

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Intubation light wand video laryngoscopy cervical spine immobilization

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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video-laryngoscope guided lightwand

Group Type EXPERIMENTAL

Video-laryngoscope guided lightwand

Intervention Type DEVICE

After anesthetic induction,the difficult airway is simulated by wearing a semi-hard neck collar. For intubation, video-laryngoscope is inserted into the oral cavity ntil the epiglottis tip was visible without lifting the epiglottic vallecula. Then, the endotracheal tube with lightwand is inserted toward the midline under the epiglottis and the intubation is performed looking the transilluminated light of lightwand.

lightwand

Group Type ACTIVE_COMPARATOR

lightwand alone

Intervention Type DEVICE

After anesthetic induction,the difficult airway is simulated by wearing a semi-hard neck collar. Then, the endotracheal tube with lightwand is inserted and the intubation is performed with conventional method (blind technique by confirming transillumination).

Interventions

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Video-laryngoscope guided lightwand

After anesthetic induction,the difficult airway is simulated by wearing a semi-hard neck collar. For intubation, video-laryngoscope is inserted into the oral cavity ntil the epiglottis tip was visible without lifting the epiglottic vallecula. Then, the endotracheal tube with lightwand is inserted toward the midline under the epiglottis and the intubation is performed looking the transilluminated light of lightwand.

Intervention Type DEVICE

lightwand alone

After anesthetic induction,the difficult airway is simulated by wearing a semi-hard neck collar. Then, the endotracheal tube with lightwand is inserted and the intubation is performed with conventional method (blind technique by confirming transillumination).

Intervention Type DEVICE

Other Intervention Names

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Video laryngoscope (VL310, Zhejiang UE Medical, Zhejiang, China) LightWand (3960, GE Healthcare, Englewood, USA)

Eligibility Criteria

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Inclusion Criteria

1. Aged between 20- 80 yrs
2. Patients scheduled surgery under the general anesthesia

Exclusion Criteria

1. Patient who has history of gastro-esophageal reflux disease, previous airway surgery, anatomical abnormality in the upper airway, or coagulopathy
2. Patients with body mass index \>35kg/m2, hemodynamic instability or loosening teeth
3. Patient who disagrees to participate this study or lacks decision-making ability, illiteracy, or foreigner
4. American Society of Anesthesiologists physical status ≥ 3
Minimum Eligible Age

20 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Yonsei University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Department of Anesthesiology and Pain Medicine, Severance Hospital, Yonsei University College of Medicine

Seoul, , South Korea

Site Status

Countries

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South Korea

Other Identifiers

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1-2016-0069

Identifier Type: -

Identifier Source: org_study_id