Comparison of Two Ventilation Methods During Endoscopy of the Pharynx, Larynx and Oesophagus

Introduction of the laryngoscope to maintain spontaneous ventilation in order to observe, in real conditions, the evolution and movements of the otorhinolaryngology sphere.

Introduction of High-flow oxygen therapy to maintain spontaneous ventilation in order to observe, in real conditions, the evolution and movements of the otorhinolaryngology sphere.