Techniques for Improving Video Laryngoscopy With a Hyperangulated Blade

Abstract

Video laryngoscopy (VL) is being employed increasingly for emergency airway management. The original GlideScope Advanced Video Laryngoscope has a hyper-angulated blade with a 60-degree curvature intended to improve glottic exposure. This hyper-angulated shape usually requires the use of a correspondingly curved stylet, such as the GlideRite stylet, to guide the endotracheal tube to the laryngeal inlet. If a curved stylet is not available, you can bend a malleable stylet to the same degree as the blade you are using. While some studies have shown better first-pass success rates with VL compared with direct laryngoscopy, the technique can be frustrating for users of standard non-video non-hyper-angulated blades.^1-5

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