Active humidification in mechanical ventilation is not associated to an increase in respiratory infectious complications in a quasi-experimental pre–post intervention study L. Picazo, M.P. Gracia Arnillas, R. Muñoz-Bermúdez, X. Durán, F. Álvarez Lerma, J.R. Masclans

Does chlorhexidine reduce the incidence of ventilator-associated pneumonia in ICU patients? A systematic review and meta-analysis J.C. Cruz, C.K. Martins, J.E.V. Piassi, I.R. Garcia Júnior, J.F. Santiago Junior, L.P. Faverani

Should the diagnosis of ventilator associated pneumonia be improved? A. Estella, F. Álvarez-Lerma