Heated High Flow Oxygen Devices
High flow oxygen therapy for spontaneously breathing patients.
Heated high flow oxygen devices. Due to the bypass of the upper airway this patient population must receive humidity from a cool mist aerosol or other aerosol generating device. High flow oxygen therapy systems used in the hospital environment usually consist of a blender used with or without oxygen from a wall outlet humidifier heated tubing and nasal cannula. Hfo consists of a heated humidified high flow nasal cannula hfnc that can deliver up to 100 heated and humidified oxygen at a maximum flow of 60 lpm via nasal prongs or cannula. Heat and humidified high flow nasal cannula or as most call it hi flow nasal cannula hfnc isn t just a standard nasal cannula cranked up to very high flow rates.
Traditionally nasal oxygen therapy has been delivered at low flows through nasal cannulae. It is used for the application of heated and humidified blended air and oxygen at high flow rates typically set between 30 l min and 50 l min. The gas is heated and humidified through an active heated humidifier and is delivered via a single limb heated inspiratory circuit. The system provides a high flow of heated humidified air to the patient via the nasal cannula.
These high flow nasal cannula hfnc systems enhance patient comfort and tolerance compared with traditional high flow oxygenation systems such. The effects of flow on airway pressure during nasal high flow oxygen therapy. Heated humidified high flow nasal oxygen in adults. Parke rl eccleston ml mcguinness sp.
High flow nasal cannula oxygen therapy in adults. In recent years nasal cannulae designed to administer heated and humidified air oxygen mixtures at high flows up to 60 l min have been gaining popularity. High flow nasal cannula hfnc high flow therapy hft high flow oxygen therapy hfo t nasal high flow nhf high flow nasal prongs hfnp high flow oxygen hfo humidified high flow nasal cannula hhfnc heated humidified high flow nasal cannula hhhfnc humidified high flow therapy hhft nasal insufflation or just plain high flow hf are the all the same therapy. An air oxygen blender which allows f io 2 from 0 21 to 1 0 generates up to 60 l min flow.
High flow oxygen therapy is applied with a special binasal high flow nasal cannula hfnc and a heated inspiratory breathing circuit. Basic setup for high flow nasal cannula oxygen delivery. Heated humidified high flow hhhf therapy often also high flow nasal cannula e hfnc or high flow nasal oxygen hfno is a type of respiratory support method that delivers a high flow liters per minute of medical gas to a patient through an interface nasal cannulae intended to create a wash out of the upper airway the applied gas is heated to best match human body temperature 37 c.