Marina Busico, Mariela Marisol Laiz, José García Urrutia, Maria Emilia Amado, Darío Villalba, Santiago Nicolás Saavedra, Adrián Gallardo, Arnaud W Thille
The case series presented show the feasibility of prolonged use of HFNO and APP in patients with COVID-19 and severe persistent hypox- emia and described strategies to enhance adherence.