Answer QOW March 12-2017

Answer QOW March 12-2017

THRIVE is a soft-tubing nasal cannula system (60 -70 LPM humidified O2).  May provide ≤1 hr of apnea, with SpO2 ≥90% and PaCO2 ≤120.
Choose all factors that might decrease safe apnea time and cause desaturation.
A) Airway occlusion B)  Small children    C) Obesity D) Critical illness   E)  Pulmonary shunt  F) Pregnancy G)  Increased oxygen consumption     H) Inadequate preoxygenation

ANSWER: All of the above

References:
Patel A et al. Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE): a physiological method of increasing apnoea time in patients with difficult airways. Anaesthesia 2015; 70,:323–329.
Matthay M. Editorial: Saving Lives with High-Flow Nasal Oxygen. NEJM 2015; 372(23):2225-2226.
2017-03-26T04:07:25+00:00