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

Intrarater and interrater reliability of the Clinical Frailty Scale-Es and FRAIL-Es in critically ill patients Susana Arias-Rivera; María Mar Sánchez-Sánchez; Raquel Jareño-Collado; Marta Raurell-Torredà; Lorena Oteiza-López; Sonia López-Cuenca; Israel John Thuissard-Vasallo; Fernando Frutos-Vivar;

Experience with extracorporeal membrane oxygenation support in Latin America between 2016 and 2020 Camilo Pizarro; Anderson Bermon; Silvia Plata Vanegas; Claudia Colmenares-Mejia; Claudia Marcela Poveda; René D. Gómez Gutiérrez; Jorge Arturo Ramírez Arce; Sonia Villarroe; Daniel Absi; Marco Antonio Montes de Oca Sandoval; Fernando Pálizas; Leonardo Salazar;