Alessandro Brussa

High-Flow Nasal Cannula in Adult Acute Care: Physiological Mechanisms, Clinical Evidence, and Persistent Misconceptions

High-flow nasal cannula (HFNC) oxygen therapy is widely used in emergency, intensive care, perioperative, and procedural settings, but it is often conceptually assimilated to non-invasive positive-pressure ventilation (NIPPV). This interpretation is physiologically misleading. HF...