Using King Vision video laryngoscope with a channeled blade prolongs time for tracheal intubation in different training levels, compared to non-channeled blade

It is generally accepted that using a video laryngoscope is associated with an improved visualization of the glottis. However, correctly placing the endotracheal tube might be challenging. Channeled video laryngoscopic blades have an endotracheal tube already pre-loaded, allowing to advance the tube...

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Veröffentlicht in:PloS one 2017-08, Vol.12 (8), p.e0183382-e0183382
Hauptverfasser: Kriege, Marc, Alflen, Christian, Noppens, Ruediger R
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description It is generally accepted that using a video laryngoscope is associated with an improved visualization of the glottis. However, correctly placing the endotracheal tube might be challenging. Channeled video laryngoscopic blades have an endotracheal tube already pre-loaded, allowing to advance the tube once the glottis is visualized. We hypothesized that use of a channel blade with pre-loaded endotracheal tube results in a faster intubation, compared to a curved Macintosh blade video laryngoscope. After ethical approval and informed consent, patients were randomized to receive endotracheal Intubation with either the King Vision® video laryngoscope with curved blade (control) or channeled blade (channeled). Success rate, evaluation of the glottis view (percentage of glottic opening (POGO), Cormack&Lehane (C&L)) and intubating time were evaluated. Over a two-month period, a total of 46 patients (control n = 23; channeled n = 23) were examined. The first attempt success rates were comparable between groups (control 100% (23/23) vs. channeled 96% (22/23); p = 0.31). Overall intubation time was significantly shorter with control (median 40 sec; IQR [24-58]), compared to channeled (59 sec [40-74]; p = 0.03). There were no differences in glottis visualization between groups. Compared with the King Vision channeled blade, time for tracheal intubation was shorter with the control group using a non-channeled blade. First attempt success and visualization of the glottis were comparable. These data do not support the hypothesis that a channeled blade is superior to a curved video laryngoscopic blade without tube guidance. ClinicalTrials.gov NCT02344030.
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subjects Adult
Aged
Analysis
Anesthesia
Anesthesiology
Biology and Life Sciences
Blades
Comparative analysis
Emergency medical care
Ethics
Female
Glottis
Glottis - physiopathology
Glottis - surgery
Humans
Informed consent
Intratracheal intubation
Intubation
Intubation, Intratracheal - instrumentation
Intubation, Intratracheal - methods
Laryngoscopes
Laryngoscopy
Macintosh personal computers
Male
Medical instruments
Medicine and Health Sciences
Middle Aged
Organic light emitting diodes
Patients
People and Places
Physiological aspects
Social Sciences
Success
Video-Assisted Surgery - instrumentation
Video-Assisted Surgery - methods
Vision
Visualization
title Using King Vision video laryngoscope with a channeled blade prolongs time for tracheal intubation in different training levels, compared to non-channeled blade
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