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;

Predictors of success of high-flow nasal cannula in the treatment of acute hypoxemic respiratory failure R Artacho Ruiz; B Artacho Jurado; F Caballero Güeto; A Cano Yuste; I Durbán García; F García Delgado; JA Guzmán Pérez; M López Obispo; I Quero del Río; F Rivera Espinar; E del Campo Molina;

Comparison of non-invasive ventilation on bilevel pressure mode and CPAP in the treatment of COVID-19 related acute respiratory failure. A propensity score¿matched analysis Andrés Carrillo-Alcaraz; Miguel Guia; Laura Lopez-Gomez; Pablo Bayoumy; Aurea Higon-Cañigral; Elena Carrasco González; Pilar Tornero Yepez; Juan Miguel Sánchez-Nieto;