As reported by Pisani et al,1 delirium is a frequent event in medical intensive care units (ICUs).1 On the basis of our experience in an ICU subunit for elderly patients, we would like to emphasize the importance of detecting delirium at ICU admission and at brief time intervals. The subunit is a 4-bed unit with technological equipment (eg, monitors for cardiac and respiratory function, noninvasive mechanical ventilators, peristaltic and volumetric pumps for intravenous therapy, and enteral nutrition) that allow for the admission of patients requiring frequent evaluation of vital signs and/or intensive procedures but usually not invasive monitoring.2
Sleiman I, Rozzini R, Trabucchi M. Delirium in Older Patients in Intensive Care Units. Arch Intern Med. 2008;168(11):1229. doi:10.1001/archinte.168.11.1229-a
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