Risk Factors and Clinical Impact of Fibrotic-Like Changes and the Organizing Pneumonia Pattern in Patients With COVID-19- and Non-COVID-19-Induced Acute Respiratory Distress Syndrome Enric Barbeta; Mariana Benegas; Marcelo Sánchez; Anna Motos; Miquel Ferrer; Adrián Ceccato; Rubén Lopez; Leticia Bueno; Ricard Mellado-Artigas; Carlos Ferrando; Laia Fernández-Barat; Nuria Albacar; Joan Ramon Badia; Teresa López; Elena Sandoval; David Toapanta; Pedro Castro; Alex Soriano; Antoni Torres;

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;

Safety and Feasibility of Transbronchial Cryobiopsy in Mechanically Ventilated Patients Alfons Torrego; Ana M. Muñoz-Fernández; Carmen Mª Lucena; Pedro Castro; Laura López-Vilaró; Joan Ramón Badía; Antoni Betbesé; Josep Ramirez; Felipe Andreo; María-Teresa Fernández-Figueras; Marc Fabra-Radua; Virginia Pajares; Carles Agustí;