Effects on Humidification and Ventilatory Parameters of Three Single-limb Heated-wired Circuits for Non-invasive Ventilation: A Bench Study Jose M. Alonso-Iñigo, María J. Fas, Alejandro Albert, Abel Dolz, José M. Carratalá, Salvador Díaz-Lobato

Hospital Mortality and Effect of Adjusting PaO2/FiO2 According to Altitude Above the Sea Level in Acclimatized Patients Undergoing Invasive Mechanical Ventilation. A Multicenter Study Manuel Jibaja, Guillermo Ortiz-Ruiz, Fernanda García, Manuel Garay-Fernández, Felipe de Jesús Montelongo, Jorge Martinez, José Antonio Viruez, Orville Baez-Pravia, Santiago Salazar, Francisco Villacorta-Cordova, Freddy Morales, Amilcar Tinoco-Solórzano, Carlos Ibañez Guzmán, Bruno Valle Pinheiro, Felix Zubia-Olaskoaga, Carmelo Dueñas, Antonio Lara Garcia, Pablo Cardinal-Fernández

Protective Recommendations for Non-invasive Ventilation During COVID-19 Pandemic: A Bench Evaluation of the Effects of Instrumental Dead Space on Alveolar Ventilation Mathieu Delorme, Karl Leroux, Ghilas Boussaid, Marius Lebret, Helene Prigent, Antoine Leotard, Bruno Louis, Frédéric Lofaso