BACKGROUND: The course of depression in residents of long-term care with dementia is not well studied. OBJECTIVES: To estimate the incidence, prevalence, and outcomes of depression in long-term care residents with dementia. METHOD: 201 residents of Copper Ridge, a long-term care facility for the memory impaired, were followed every six months during the first year after their admission. RESULTS: On admission 19.9% of the residents had depression, the majority (75%) occurring in persons with a prior history of depression. At six months, only 15% of the original 40 depressed patients were still depressed, while at twelve months only 7.5% were depressed. The incidence of depression at six and twelve months was 1.8% and 6.4% respectively. Most persons with new depression at six months were no longer depressed at one year. The annual attack rate (cumulative likelihood of depression over one year) for the total population was 26.4%. The rates for the subgroup of Alzheimer's were similar to the rates of the total population, except for an annual attack rate of 17.5%, reflecting a lower rate of depression on admission. The decline in depression over the year after admission is noteworthy and likely reflects appropriate diagnosis and treatment of depression. CONCLUSIONS: These results indicate that, over the course of one year, depression afflicts a considerable proportion of long-term care residents with dementia. Admission to a long-term care facility may actually result in a reduction of depression within the year after admission in part due to rapid recognition, appropriate diagnosis and treatment. Copyright 2002 John Wiley & Sons, Ltd.
BACKGROUND: The course of depression in residents of long-term care with dementia is not well studied. OBJECTIVES: To estimate the incidence, prevalence, and outcomes of depression in long-term care residents with dementia. METHOD: 201 residents of Copper Ridge, a long-term care facility for the memory impaired, were followed every six months during the first year after their admission. RESULTS: On admission 19.9% of the residents had depression, the majority (75%) occurring in persons with a prior history of depression. At six months, only 15% of the original 40 depressedpatients were still depressed, while at twelve months only 7.5% were depressed. The incidence of depression at six and twelve months was 1.8% and 6.4% respectively. Most persons with new depression at six months were no longer depressed at one year. The annual attack rate (cumulative likelihood of depression over one year) for the total population was 26.4%. The rates for the subgroup of Alzheimer's were similar to the rates of the total population, except for an annual attack rate of 17.5%, reflecting a lower rate of depression on admission. The decline in depression over the year after admission is noteworthy and likely reflects appropriate diagnosis and treatment of depression. CONCLUSIONS: These results indicate that, over the course of one year, depression afflicts a considerable proportion of long-term care residents with dementia. Admission to a long-term care facility may actually result in a reduction of depression within the year after admission in part due to rapid recognition, appropriate diagnosis and treatment. Copyright 2002 John Wiley & Sons, Ltd.
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