• Christopher G Hughes, Christina S Boncyk, Deborah J Culley, Lee A Fleisher, Jacqueline M Leung, David L McDonagh, Tong J Gan, Matthew D McEvoy, Timothy E Miller, and Perioperative Quality Initiative (POQI) 6 Workgroup.
• From the Department of Anesthesiology, Critical Illness, Brain Dysfunction, and Survivorship (CIBS) Center and the Center for Health Services Research, Vanderbilt University Medical Center, Nashville, Tennessee.
• Anesth. Analg. 2020 Jun 1; 130 (6): 1572-1590.

AbstractPostoperative delirium is a geriatric syndrome that manifests as changes in cognition, attention, and levels of consciousness after surgery. It occurs in up to 50% of patients after major surgery and is associated with adverse outcomes, including increased hospital length of stay, higher cost of care, higher rates of institutionalization after discharge, and higher rates of readmission. Furthermore, it is associated with functional decline and cognitive impairments after surgery. As the age and medical complexity of our surgical population increases, practitioners need the skills to identify and prevent delirium in this high-risk population. Because delirium is a common and consequential postoperative complication, there has been an abundance of recent research focused on delirium, conducted by clinicians from a variety of specialties. There have also been several reviews and recommendation statements; however, these have not been based on robust evidence. The Sixth Perioperative Quality Initiative (POQI-6) consensus conference brought together a team of multidisciplinary experts to formally survey and evaluate the literature on postoperative delirium prevention and provide evidence-based recommendations using an iterative Delphi process and Grading of Recommendations Assessment, Development and Evaluation (GRADE) Criteria for evaluating biomedical literature.

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