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32: Do LMAs increase the risk of aspiration compared to ETTs? - Part II of II

Depth of Anesthesia

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Introduction

Part two of Depth of Anesthesia podcast explores claims and evidence regarding aspiration in the Ringial Mask Airways. In the first episode we explored the primary claim which was that an LMA represents an unprotected airway thus increasing a patient's risk of pulmonary aspiration compared to an endotracheal tube. We also touched on some early studies using dye like methylene blue and esophageal lumen pH electrodes as surrogates for reflux. And finally Dr. Glezerson and Dr. Baker taught us about the statistical concept of rule of three and how to apply that concept to the evidence in this space. So today's episode will focus on the secondary claim which is that specific patient populations are

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