Intensive and Critical Care Nursing (2014) 30, 283—291 Available online at www.sciencedirect.com ScienceDirect jo ur nal homepage: www.elsevier.com/iccn ORIGINAL ARTICLE Delirium among critically ill adults: Evaluation of the psychometric properties of the Italian ‘Confusion Assessment Method for the Intensive Care Unit’ , Pietro Gaspardo a,* , Luca Peressoni b , Irene Comisso b , Giovanni Mistraletti c,1 , E. Wesley Ely d,e , Alessandro Morandi f,g,2 a Operating Room Unit, Azienda Ospedaliero-Universitaria Santa Maria della Misericordia, Piazzale S. Maria della Misericordia 15, 33100 Udine, Italy b Department of Anesthesiology and Intensive Care, Azienda Ospedaliero-Universitaria Santa Maria della Misericordia, Udine, Italy c Department of Pathophysiology and Transplantation, University of Milan, Via A. Di Rudinì 8, 20142 Milan, Italy d Division of Allergy, Pulmonary, and Critical Care Medicine in the Department of Medicine, Center for Quality Aging, Center for Health Services Research, Vanderbilt University, Nashville, TN, USA e Geriatric Research, Education and Clinical Center (GRECC) Service at the Department of Veterans Affairs Medical Center, Tennessee Valley Healthcare System, Nashville, TN, USA f Department of Rehabilitation and Age Care, Casa di Cura Ancelle della Carità, Via Aselli 16, 26100 Cremona, Italy g Geriatric Research Group, Brescia, Italy Accepted 19 May 2014 KEYWORDS Delirium; Clinical assessment tools; Summary Objectives: To determine the psychometric properties of the Italian version of the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU), a clinical assessment tool to detect delirium among Intensive Care Unit patients. Design: Validation study.  The study has already been presented (as an abstract) at 25th Annual Congress of the European Society of Intensive Care Medicine (ESICM), Lisbon, Portugal, October 13—17, 2012.  The study was performed at Azienda Ospedaliero-Universitaria Santa Maria della Misericordia, Udine, Italy. ∗ Corresponding author. Tel.: +39 0432 552494; fax: +39 0432 552388. E-mail addresses: gaspardo.pietro@gmail.com (P. Gaspardo), giovanni.mistraletti@unimi.it (G. Mistraletti), morandi.alessandro@gmail.com (A. Morandi). 1 Tel.: +39 02 50323134; fax: +39 02 50323137. 2 Tel.: +39 0372 5357753; fax: +39 0372 535 7705. http://dx.doi.org/10.1016/j.iccn.2014.05.002 0964-3397/© 2014 Elsevier Ltd. All rights reserved.