Universität zu Köln

Wetsch, Wolfgang A., Carlitscheck, Martin, Spelten, Oliver, Teschendorf, Peter, Hellmich, Martin ORCID: 0000-0001-5174-928X, Genzwuerker, Harald V. and Hinkelbein, Jochen (2011). Success rates and endotracheal tube insertion times of experienced emergency physicians using five video laryngoscopes: a randomised trial in a simulated trapped car accident victim. Eur. J. Anaesth., 28 (12). S. 849 - 859. PHILADELPHIA: LIPPINCOTT WILLIAMS & WILKINS. ISSN 1365-2346

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Abstract

Context No randomised controlled trial has yet compared different video laryngoscopes in respect of the success rates and the time taken to achieve endotracheal intubation in trapped car accident victims. Objective The aim of the present study was to evaluate whether five video laryngoscopes facilitate tracheal intubation more quickly or more securely than conventional laryngoscopy. Design Prospective, controlled, randomised crossover trial. Setting An airway manikin was placed on the driver's seat of a compact car. Access was possible only through the opened driver's door. Participants Twenty-five experienced anaesthetists. Intervention Tracheal intubation in a simulated trapped patient using video laryngoscopes in a typical out-of-hospital setting. Main outcome measures Times to achievement of a view of the glottis, tracheal intubation, cuff inflation, first ventilation and tracheal tube position were compared using a standard Macintosh laryngoscope or Glidescope Ranger, Storz C-MAC, Ambu-Pentax AWS, Airtraq and McGrath Series 5 video laryngoscopes in a randomised order. Wilcoxon signed-rank test and McNemar test were used for statistical analysis. A P value of less than 0.05 was considered statistically significant. Results Twenty-five anaesthetists (35.1 +/- 7.3 years; 16 male, nine female) with an intubation experience of 374 +/- 96 intubations per year and an experience of 9.1 +/- 7.3 years participated. Glottic view, tracheal intubation, cuff inflation and first ventilation were achieved most rapidly with the Macintosh laryngoscope, although the Airtraq and Pentax AWS video laryngoscopes were not significantly slower. Times were significantly longer when the Glidescope Ranger, McGrath Series 5 or Storz C-MAC video laryngoscopes were used (P<0.05), failure to place the endotracheal tube correctly was significantly commoner with the McGrath Series 5 than with the Macintosh (P=0.031). Conclusion When attempting to intubate a trapped car accident victim, video laryngoscopes provide a better view of the glottis, but some delay tracheal intubation significantly. The devices with a tube guide (Airtraq and Ambu Pentax AWS) enable tracheal intubation to be achieved significantly faster and with a lower failure rate than devices without a tube guide. No video laryngoscope outperformed direct laryngoscopy with a Macintosh laryngoscope in this simulation study. Trial registration Clinicaltrials.gov NCT01182740. Eur J Anaesthesiol 2011;28:849-858

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Wetsch, Wolfgang A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Carlitscheck, Martin UNSPECIFIED UNSPECIFIED UNSPECIFIED Spelten, Oliver UNSPECIFIED UNSPECIFIED UNSPECIFIED Teschendorf, Peter UNSPECIFIED UNSPECIFIED UNSPECIFIED Hellmich, Martin UNSPECIFIED orcid.org/0000-0001-5174-928X UNSPECIFIED Genzwuerker, Harald V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hinkelbein, Jochen UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-485031
DOI:	10.1097/EJA.0b013e32834c7c7f
Journal or Publication Title:	Eur. J. Anaesth.
Volume:	28
Number:	12
Page Range:	S. 849 - 859
Date:	2011
Publisher:	LIPPINCOTT WILLIAMS & WILKINS
Place of Publication:	PHILADELPHIA
ISSN:	1365-2346
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MACINTOSH LARYNGOSCOPE; TRACHEAL INTUBATION; AIRWAY MANAGEMENT; DIFFICULT LARYNGOSCOPY; PREHOSPITAL AIRWAY; GLIDESCOPE(R); AIRTRAQ(R); VIDEOLARYNGOSCOPE; PERFORMANCE; MCGRATH(R) Multiple languages Anesthesiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/48503