Abstract
High-flow oxygen therapy is a novel technology in the treatment of hypoxemic respiratory failure (HRF). The effect in neonatal and pediatric population is well known, but its efficiency in the adult patient group is not well proven. This review tried to discuss various aspects of high-flow nasal cannula (HFNC) in terms of its components, effects, and the evidence available. High-flow nasal cannula is being used as the first choice of intervention in patients with acute HRF, especially in patients who does not have critical hypercapnia. Clinicians should be very selective while choosing the adult patients for HFNC.
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