King Vision® and GlideScope® in Difficult Airways

The University of Texas System (UT)

Status: Completed

Conditions: Airway Management

Treatments: Device: Video laryngoscopes

Study type: Interventional

Funder types: Other; Industry

Identifiers

NCT03685968

HSC-MS-13-0024

Details and patient eligibility

About

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.

Enrollment: 225 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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225 participants in 3 patient groups

Glidescope AVL

Experimental group

Treatment:

Device: Video laryngoscopes

King Vision Channeled VL

Experimental group

Treatment:

Device: Video laryngoscopes

King Vision Non-Channeled (Standard) VL

Experimental group

Treatment:

Device: Video laryngoscopes