Background and Aims: High flow (HF) nasal therapydelivers heated, humidified and blended oxygen/air via small calibre nasal cannulae at flow ratesof > 1L/min. Cold, non-humidified gases deliveredat HF ...

A study of the variables affecting the humidification processes of the commonly used oxygen supply systems was undertaken in a medical-surgical service of a 280-bed hospital where on any given day 10 ...