Summary of recommendations and key points of the consensus of Spanish scientific societies (SEPAR, SEMICYUC, SEMES; SECIP, SENEO, SEDAR, SENP) on the use of non-invasive ventilation and high-flow oxygen therapy with nasal cannulas in adult, pediatric, and neonatal patients with severe acute respiratory failure M. Luján; Ó. Peñuelas; C. Cinesi Gómez; A. García-Salido; J. Moreno Hernando; A. Romero Berrocal; I. Gutiérrez Ibarluzea; J.F. Masa Jiménez; A. Mas; J.M. Carratalá Perales; M. Gaboli; A. Concheiro Guisán; J. García Fernández; J. Escámez; J. Parrilla Parrilla; E. Farrero Muñoz; M. González; S.B. Heili-Frades; M.Á. Sánchez Quiroga; G. Rialp Cervera; G. Hernández; A. Sánchez Torres; R. Uña; C.F. Ortolà; M. Ferrer Monreal; C. Egea Santaolalla;

Switches in non-invasive respiratory support strategies during acute hypoxemic respiratory failure: Need to monitoring from a retrospective observational study Francisco José Parrilla-Gómez; Judith Marin-Corral; Andrea Castellví-Font; Purificación Pérez-Terán; Lucía Picazo; Jorge Ravelo-Barba; Marta Campano-García; Olimpia Festa; Marcos Restrepo; Joan Ramón Masclans;

Risk factors associated to noninvasive ventilation failure in primary influenza A pneumonia in the critical care setting H. Hernández Garcés; A. Navarro Lacalle; L. Lizama López; R. Zaragoza Crespo;