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KMID : 0356920190720060527
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Korean Journal of Anesthesiology
2019 Volume.72 No. 6 p.527 ~ p.547
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High-flow nasal oxygenation for anesthetic management
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Kim Hyun-Joo
Asai Takashi
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Abstract
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High-flow nasal oxygenation (HFNO) is a promising new technique for anesthesiologists. The use of HFNO during the induction of anesthesia and during upper airway surgeries has been initiated, and its applications have been rapidly growing ever since. The advantages of this technique include its easy set-up, high tolerability, and its abilities to produce positive airway pressure and a high fraction of inspired oxygen and to influence the clearance of carbon dioxide to some extent. HFNO, via a nasal cannula, can provide oxygen both to patients who can breathe spontaneously and to those who are apneic; further, this technique does not interfere with bag-mask ventilation, attempts at laryngoscopy for tracheal intubation, and surgical procedures conducted in the airway. In this review, we describe the techniques associated with HFNO and the advantages and disadvantages of HFNO based on the current state of knowledge.
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KEYWORD
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Airway management, Airway surgery, Apneic oxygenation, Endotracheal intubation, High-flow nasal oxygenation, Hypercapnea, Hypoxemia, Preoxygenation
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