(Transnasal Humidified Rapid-Insufflation Ventilatory Exchange)


Optiflow THRIVE™ provides effective oxygenation and extends safe apnea time during anesthesia.



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Woman wearing Optiflow Nasal High Flow

Optiflow Nasal High Flow mechanisms of action

For safety and performance information, please refer to the user instructions provided with our products. Optiflow and Optiflow THRIVE are trademarks of Fisher and Paykel Healthcare Limited.
For patent information, see www.fphcare.com/ip
1. Wong DT, Dallaire A, Singh KP,  et al. High-flow nasal oxygen improves safe apnea time in morbidly obese patients undergoing general anesthesia: a randomized controlled trial. Anesthesia & Analgesia. 2019 Oct 1;129(4):1130-6.

2. Lodenius Å, Piehl J, Östlund A, et al. Transnasal humidified rapid‐insufflation ventilatory exchange (THRIVE) vs. facemask breathing pre‐oxygenation for rapid sequence induction in adults: a prospective randomised non‐blinded clinical trial. Anaesthesia. 2018 May;73(5):564-71.

3. Gustafsson IM, Lodenius Å, Tunelli J, et al. Apnoeic oxygenation in adults under general anaesthesia using Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) – a physiological study. British Journal of Anaesthesia. 2017 Apr 1;118(4):610-17.

4. Patel A, Nouraei SR. Transnasal Humidified Rapid‐Insufflation Ventilatory Exchange (THRIVE): a physiological method of increasing apnoea time in patients with difficult airways. Anaesthesia. 2015 Mar;70(3):323-9.