High efficiency particulate air filters and heat & moisture exchanger filters increase positive end-expiratory pressure in helmet continuous positive airway pressure: A bench-top study E. Rezoagli; G. Coppola; L. Dezza; A. Galesi; G.P. Gallo; R. Fumagalli; G. Bellani; G. Foti; A. Lucchini;

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;

Tidal volume and helmet: Is the never ending story coming to an end? A. Cortegiani; M. Ippolito; M. Luján; C. Gregoretti;