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Korean J Anesthesiol > Epub ahead of print
DOI: https://doi.org/10.4097/kja.19174    [Epub ahead of print]
Published online June 5, 2019.
High-flow nasal oxygenation for anesthetic management
Takashi Asai1, Hyun Joo Kim2
1Department of Anesthesiology, Dokkyo Medical University Saitama Medical Center, Koshigaya City, Japan
2Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea
Corresponding author:  Hyun Joo Kim, Tel: (+82) 2-2228-2420, Fax: (+82) 2-2227-7897, 
Email: jjollong@gmail.com
Received: 29 April 2019   • Accepted: 20 May 2019
High-flow nasal oxygenation (HFNO) is a promising new technique for anesthesiologists. The introduction of HFNO during induction of anesthesia and during upper airway surgery has been initiated and its applications have been rapidly growing. The advantages include its easy setting, high tolerability, its ability to produce positive airway pressure, a high fraction of inspired oxygen (FiO2) and some clearance of carbon dioxide. HFNO via nasal cannula can provide oxygen, both in patients breathing spontaneously and in those being apnea, and does not interfere with bag-mask ventilation, attempts at laryngoscopy for tracheal intubation and surgical procedures to the airway. In this review, we describe techniques of the HFNO, and advantages and disadvantages of HFNO, based on the current state of knowledge.
Key Words: Airway surgery; Endotracheal intubation; High-flow nasal oxygenation; Hypoxemia


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