Subcutaneous scalp emphysema, pneumo-orbitis and pneumocephalus in a neonate on high humidity high flow nasal cannula.

High humidity high flow nasal cannula has become a widely used alternative for nasal continuous positive airway pressure for the treatment of apnea of prematurity. We describe our experience of one incident of subcutaneous scalp emphysema, pneumo-orbitis and pneumocephalus with concomitant use of the high-flow nasal cannula.