nasal high flow therapy

Used as a first-line treatment across the care continuum, Optiflow NHF may reduce patient escalation resulting in better clinical outcomes.

NHF Guidelines/

While many terms describe nasal high flow therapy (aka HFNC), one stands out. Optiflow NHF therapy. 

Optiflow is at the forefront of its field, featuring in hundreds of publications in journals such as NEJM and JAMA. 

Published guidelines highlight the breadth of application of NHF

Hundreds of randomized controlled trials have been consolidated into evidence-based clinical practice guidelines. 

These guidelines underscore the breadth of application of nasal high flow therapy.

We’ve created a table that will help you review the  guidelines by patient population and application.


Explore the NHF guidelines table

Flow Matters newsletter 

Hundreds of publications per year are being consolidated into practice guidelines and providing insights into new applications of NHF therapy. 

Flow Matters keeps you up-to-date with this ever-evolving field of research. Subscribe to Flow Matters here. 
Flow matters Pediatric edition - updated Sept. 2022

Updated September 2022

Early use of NHF in infants and children

In this edition we review the literature and provide an evidence-based approach to implementation of NHF in pediatric patients.

Read now


Optiflow NHF therapy FAQs

Explore our frequently asked questions regarding:

1. Clinical practice/implementaion of NHF therapy. 
2. Published evidence - the science of high-flow therapy, including the mechanisms of action and patient outcomes.  

Search Optiflow FAQs

Watch Optiflow NHF therapy in practice

Options for delivering Optiflow NHF therapy

Did you know there are several ways to deliver/get the benefits of Optiflow nasal high flow therapy. 

1. You can use a dedicated, standalone device such as the Airvo Optiflow system or
2. You can use an NHF-capable mechanical ventilator. We call this a vent-driven system

See the images below and for more details download our equipment guide. 

Airvo Optiflow NHF system

The following figure demonstrates what is required for an Airvo Optiflow system.  

Vent-driven Optiflow High Flow system

The following figure demonstrates what is required to enable your NHF-capable mechanical ventilator to form part of a vent-driven Optiflow system.

Optiflow high flow interfaces

For high-flow therapy, you need a comfortable interface that stays in place to ensure continuity of treatment. 

Optiflow 3S
nasal cannula interface
57% more stable*, less pressure*, side swappable.

Latest NHF interface

nasal cannula interface

Simple to fit, soft and secure.

Optiflow+ Tracheostomy interface
Optimal humidification for a bypassed airway.

Optiflow Junior 2 nasal cannula interface series
Designed for neonates, infants, and children.

Call us

1800 446 3908 / +1949 453 4000

or get in touch by email, using the form below 


Enquire about Optiflow nasal high flow therapy
If you have an enquiry about our products, please provide the following information so a Fisher & Paykel Healthcare representative can contact you. For further details on how this information will be used, see below or go to our privacy statement.
Enter security code:*
 Security code