Ejaz Khan*
High flow nasal oxygenation recently emerged as a technique for providing surgical field free from anesthetic airway devices. HFNO is used for pre oxygenation as well as sustained apneic oxygenation in patients with difficult airways undergoing airway surgeries. Moreover, it provides improved surgical field view and better accessibility compared to standard anesthetic technique. Here we discuss the clinical application and advantages of using HFNO as well as our institutional practice in utilizing HFNO in subglottic stenosis procedures. Airway management during endoscopic treatment of airway stenosis can be managed either with intermittent apnea, spontaneous ventilation through facemask or repeated endotracheal intubations between brief treatment intervals
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