The aims of this study were to identify risk factors associated with delirium in hospitalized persons with dementia, and to describe immediate and post-hospital (1\&3 months) trajectory of cognitive decline and associated outcomes in persons with dementia who develop delirium. It was hypothesized that factors such as CNS-active medications, urinary tract infection, stage of dementia, pain, activity level, and dehydration would be associated with an increased risk of delirium and delirium severity in patients with dementia compared to dementia patients without delirium. It was also hypothesized that persons with DSD will have worse outcomes (longer hospital length of stays, decreased functional status, a steeper negative slope of cognitive decline) than dementia patients without delirium. Lastly, it was hypothesized that higher delirium severity would be associated with poorer outcomes in persons with dementia. The long-term objectives were to use the results from this study to design and test an intervention strategy to improve early recognition, management, prevention, and outcomes in persons with DSD.
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Change in Delirium status during hospital stay
Timeframe: Participants will be assessed daily until discharge (duration of hospitalization), which is expected to be about 5 days
Change in Delirium status at 1 month after discharge
Timeframe: Participants will be assessed 1 month after date of hospital discharge
Change in Delirium status at 3 months after discharge
Timeframe: Participants will be assessed 3 months after date of hospital discharge