Severity scores should incorporate limitations on life support for predicting mortality Rafael Fernandez, Lara Ventura, Caroline Macharete, Ignacio Catalan, Silvia Cano, Josep-Maria Alcoverro, Carles Subira, Jaume Masclans, Gina Rognoni, Olga Rubio

Positive end-expiratory pressure, or the perennial conundrum surrounding lung recruitment P.D. Wendel-Garcia, F. Roche-Campo, J. Mancebo

Pseudo reverse trigger with double-cycling due to active expiration during pressure support ventilation J.A. Benítez Lozano, J.M. Serrano Simón