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Conventional oxygen therapy (COT) via a low-flow cannula and most styles of oxygen face mask are limited to lower flow rates (up to 10 L/min) in part because the gas is cold and dry making tolerability a significant issue.
These lower flow rates also limit FiO2 delivery and accuracy and aren’t high enough to offer the benefits of dead-space washout and positive airway pressure.
Although an NHF device can deliver high levels of oxygen (up to 100% FiO2) it’s not specifically an oxygen delivery device. In fact, NHF can be, and is, often used without supplemental oxygen, i.e., with room air – 0.21 FiO2.
Typically, “high flow” refers to flow rates above 15 L/min of a fully humidified air and oxygen mix. These higher flow rates enable mechanisms that cold, dry oxygen alone cannot provide.
See the table below for a comparison of standard COT devices and NHF.
Hundreds of randomized controlled trials have been consolidated into clinical practice guidelines.
These guidelines underscore the breadth of nasal high flow therapy application, and many of the recommendations include a comparison with COT.
We’ve created a table that will help you review the guidelines by patient population and application.
Find clinical evidence and practice guidelines for delivering nasal high flow (aka HFNC) therapy.
Providing Optimal Humidity for intubated patients
Featuring under nose NIV masks (F&P Visairo) and full face NIV masks - (F&P Nivairo), with vented and non-vented options to suit your hospital NIV mask needs.
Establish effective spontaneous breathing or assist ventilation of the lungs
Respiratory support that replaces spontaneous breathing
Noninvasive respiratory support that provides a continuous distending pressure
Noninvasive respiratory support that delivers high flows of blended air and oxygen
Designed to work in harmony with the way patients naturally breathe while they sleep
F&P SleepStyle - designed to strike the balance between comfort and effective treatment