Effectiveness and safety of a new helmet CPAP configuration allowing tidal volume monitoring in patients with COVID-19 C. Chiappero; G. Misseri; A. Mattei; M. Ippolito; C. Albera; E. Pivetta; A. Cortegiani; C. Gregoretti;

Use of Helmet CPAP in COVID-19 ¿ A practical review H. Amirfarzan; M. Cereda; T.G. Gaulton; K.B. Leissner; A. Cortegiani; R. Schumann; C. Gregoretti;

Helmet continuous positive airway pressure and prone positioning: A proposal for an early management of COVID-19 patients F. Longhini; A. Bruni; E. Garofalo; P. Navalesi; G. Grasselli; R. Cosentini; G. Foti; A. Mattei; M. Ippolito; G. Accurso; F. Vitale; A. Cortegiani; C. Gregoretti;