Definitions and consensus recommendations on critical care medicine at altitude from the Expert Committee on Critical Care Medicine at altitude of the Pan-American and Iberian Federation of Critical Care Medicine and Intensive Care Amilcar Tinoco-Solórzano; Adrian Avila-Hilari; Manuel Luis Avellanas-Chavala; Felipe de Jesús Montelongo; Jorge Vélez-Páez; Víctor Nieto Estrada; Antonio Viruez Soto; Daniel Molano Franco; Eduardo Castelo Tamayo; Ignacio Granda Luna; Alfonso Salazar Mendoza; Luis Mamani Cruz; Jonathan Galindo Ayala; Pablo Vásquez-Hoyos; Fausto Maldonado Coronel; Roger Huanca Payehuanca; Jorge Rosendo Sánchez Medina;

Analysis of frailty as a prognostic factor independent of age: A prospective observational study Rosario Molina Lobo; Federico Gordo Vidal; Lola Prieto López; Inés Torrejón Pérez; Antonio Naharro Abellán; Irene Salinas Gabiña; Beatriz Lobo Valbuena;

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