Electrical impedance tomography: Usefulness for respiratory physiotherapy in critical illnesses Ricardo Arriagada, María Consuelo Bachmann, Constanza San Martin, Michela Rauseo, Denise Battaglini

Early mobilisation in patients with shock and receiving vasoactive drugs in the intensive care unit: A systematic review and meta-analysis of observational studies Henry Mauricio Parada-Gereda, Luis F. Pardo-Cocuy, Janneth Milena Avendaño, Daniel Molano-Franco, Joan Ramón Masclans

Impacts of a fraction of inspired oxygen adjustment protocol in COVID-19 patients under mechanical ventilation: A prospective cohort study E.P. Gomes, M.M. Reboredo, G.B. Costa, F.S. Barros, E.V. Carvalho, B.V. Pinheiro