King Vision® and GlideScope® in Difficult Airways

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

225 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-03-06

Study Completion Date

2015-12-17

Brief Summary

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There are several advantages of video laryngoscopy; especially their ability to provide superior glottis visualization, as compared to traditional laryngoscopy.1-3 The purpose of this three arm study was to compare the safety and efficacy of the King Vision® Video Intubation Systems (AMBU-King Systems, Denmark) to the Cobalt GlideScope® (Verathon Medical Inc., USA) in patients with anticipated difficult airways.

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Detailed Description

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Conditions

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Airway Management

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Caregivers

Study Groups

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Glidescope AVL

Group Type EXPERIMENTAL

Video laryngoscopes

Intervention Type DEVICE

Patients were randomized into one of the three groups through a computer generated randomization schedule. Patients in group A (N= 75) will be intubated using the GlideScope® AVL, patients in group B (N= 75) will be intubated using the King Vision Channeled VL; patients in group C (N=75) will be intubated using the King Vision Video Laryngoscope with Standard (non-channeled) Blade. Patients will only be tested with one device. All patients will be intubated using a conventional ETT.

King Vision Channeled VL

Group Type EXPERIMENTAL

Video laryngoscopes

Intervention Type DEVICE

Patients were randomized into one of the three groups through a computer generated randomization schedule. Patients in group A (N= 75) will be intubated using the GlideScope® AVL, patients in group B (N= 75) will be intubated using the King Vision Channeled VL; patients in group C (N=75) will be intubated using the King Vision Video Laryngoscope with Standard (non-channeled) Blade. Patients will only be tested with one device. All patients will be intubated using a conventional ETT.

King Vision Non-Channeled (Standard) VL

Group Type EXPERIMENTAL

Video laryngoscopes

Intervention Type DEVICE

Patients were randomized into one of the three groups through a computer generated randomization schedule. Patients in group A (N= 75) will be intubated using the GlideScope® AVL, patients in group B (N= 75) will be intubated using the King Vision Channeled VL; patients in group C (N=75) will be intubated using the King Vision Video Laryngoscope with Standard (non-channeled) Blade. Patients will only be tested with one device. All patients will be intubated using a conventional ETT.

Interventions

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Video laryngoscopes

Patients were randomized into one of the three groups through a computer generated randomization schedule. Patients in group A (N= 75) will be intubated using the GlideScope® AVL, patients in group B (N= 75) will be intubated using the King Vision Channeled VL; patients in group C (N=75) will be intubated using the King Vision Video Laryngoscope with Standard (non-channeled) Blade. Patients will only be tested with one device. All patients will be intubated using a conventional ETT.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Over 18 years of age
* Mallampati III-IV
* Neck circumference \> 43cm
* Reduced mouth opening (\< 4cm) or 3 Finger breath's (patient's own)
* Thyromental distance \< 6cm

Exclusion Criteria

* Mallampati I-II
* Neck circumference \< 43cm
* Documented 'easy' intubation
* Previous history of failed intubation and failed bag-mask ventilation
* Under 18 years of age
* ASA IV
* Known unstable cervical spine injury
* Presentation for an emergency surgical procedure

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes