What is the most adequate non-invasive oxygen support for acute hypoxaemic respiratory failure due to COVID-19?

Affiliations

• ¹ CHU de Poitiers, Médecine Intensive Réanimation, Poitiers, France; INSERM, CIC-1402 ALIVE, University of Poitiers, Poitiers, France. Electronic address: jean-pierre.frat@chu-poitiers.fr.
• ² CHU de Poitiers, Médecine Intensive Réanimation, Poitiers, France; INSERM, CIC-1402 ALIVE, University of Poitiers, Poitiers, France.
• ³ CHU de Poitiers, Médecine Intensive Réanimation, Poitiers, France.
• ⁴ Intermediate ICU at the Respiratory Department in Parc Tauli Hospital, Sabadell, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid 28029, Spain.
• ⁵ Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid 28029, Spain; Vall d'Hebron Institute of Research, Barcelona 08017, Spain; Research in Critical Care, CHU Caremeau, Nîmes 30900, France.