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Sep 14, 2018

ERC congress - Resuscitation 2018

5 - Comparison of videolaryngoscopy and direct laryngoscopy by paramedics during out of hospital cardiopulmonary resuscitation. An observational prospective study

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Abstract

Purpose of the study: Although videolaryngoscopy (VL) may facilitate intubation in rescuers with low experience there is limited data available concerning endotracheal intubation performed by paramedics during CPR. The goal of this trial was to investigate endotracheal intubation during CPR performed by non-physicians in a single emergency department in Germany. Materials and methods: We investigated in an observational prospective study the efficacy of VL during CPR compared to conventional direct laryngoscopy (DL) performed by paramedics. After approval by local ethics committee, we instructed and equipped paramedics of four ambulances in endotracheal intubation with GlideScope® (GVL). In cases without presence of an EMS physician on scene intubation should be performed either with GVL or with DL. A maximum of two attempts were allowed per protocol. Primary endpoint was good visibility of the Glottis (Cormack-Lehane grading1/2), secondary endpoint successful intubation. Results: In total n=97 patients could be included, n= 69 using direct laryngoscopy (with n=85 intubation attempts) and n=28 using videolaryngoscopy (with n=37 intubation attempts). Laryngoscopy with GVL resulted in a significantly improved visualization of the larynx compared to DL. In the group using GVL 82% rated visualization of the glottis as CL 1&2 versus 55% in the DL group (p=0.02). Despite better visualization of the larynx there was no statistical significant difference in successful endotracheal intubation between videolaryngoscopy and direct laryngoscopy (GVL 75% vs. DL 68.1%, p = 0.63). In addition, more attempts for the successful endotracheal intubation were needed in the GVL group. Conclusions: When used by paramedics during CPR GVL lead to better visibility of the Glottis, but did not increase the number of successful initial intubation attempts. Therefore, we conclude that education in videlaryngoscopy should also focus on the insertion of the endotracheal tube considering the different procedures of GVL.

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© Copyright 2019 Morressier GmbH.
All rights reserved.