Abstract
Respiratory support is one of the main methods to treat the acute respiratory failure.Traditional methods of respiratory support included invasive and noninvasive mechanical ventilation.But these traditional mechanical ventilations often brong some unavoidable clinical complications.Heated humidified high flow nasal cannula oxygen therapy(HFNC) is another of noninvasive respiratory support means in recent years.It has been widely applied in foreign countries.It plays the role of airway protection, airway moist, noninvasive assisted ventilation, by providing the gas of high flow, precise oxygen concentration, temperature, and humidification.In this review, we will review the role of HFNC in acute respiratory failure. Key words: Heated humidified high flow nasal cannula oxygen therapy; Acute respiratory failure; Respiratory support
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