Research Article

High-Flow Nasal Cannula versus Noninvasive Positive Pressure Ventilation in Patients with Heart Failure after Extubation: An Observational Cohort Study

Figure 1

Retrospective flow chart of patients included in analyses between January 2015 and January 2018. ETT, endotracheal tube; HFNC, high-flow nasal cannula; MV, mechanical ventilation; NPPV, noninvasive positive pressure ventilation.