Optimising the unprotected airway with a prototype Jaw-Thrust-Device - A prospective randomised cross-over study

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Abstract

Despite being a standard procedure during induction of anaesthesia, facemask ventilation can be a major challenge especially for inexperienced anaesthetists. We manufactured a Jaw-Thrust-Device designed to keep the patient's jaws in an optimised position, and thus to maintain the airway in a permanently patent state. Using a cross over design, we compared the influence of using the Esmarch manoeuvre (bimanual jaw-thrust), a nasopharyngeal airway, an oropharyngeal airway, or the Jaw-Thrust-Device on airway physiology in 50 healthy adults with body mass index < 35 kg.m-2, undergoing standard facemask ventilation for routine induction of anaesthesia. The main study endpoints were expiratory tidal volumes, airway resistances, and gas flow rates. The Jaw-Thrust-Device was more effective in increasing expiratory tidal volumes and peak inspiratory flow than a standard Esmarch manoeuvre, and was more effective than both nasopharyngeal and oropharyngeal airways in decreasing airway resistance. © 2009 The Authors.

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APA

Von Goedecke, A., Mitterschiffthaler, L., Paal, P., Mitterlechner, T., Wenzel, V., & Herff, H. (2009). Optimising the unprotected airway with a prototype Jaw-Thrust-Device - A prospective randomised cross-over study. Anaesthesia, 64(11), 1236–1240. https://doi.org/10.1111/j.1365-2044.2009.06059.x

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