The report, in todaysgeriatricmedicine.com, explains that “delirium leads to poorer surgical outcomes, higher rates of injury and complications, and may prolong a decrease in functional status for as long as six months postdischarge. Delirium also has been found to impair communication, cognition, and recovery in the elderly.” http://www.todaysgeriatricmedicine.com/archive/MA17p12.shtml