Introduction to the series ¿Update in Pediatric Intensive Care¿ Alberto García-Salido; Yolanda López-Fernández; Alberto Medina Villanueva; María José Santiago Lozano;

Prolonged mechanical ventilation and tracheostomised Paediatric Rafael González Cortés; Martí Pons Òdena; Mirella Gaboli; María Angeles García-Teresa;

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;