J Korean Geriatr Psychiatry.  2002 Dec;6(2):110-116.

Dementia Mortality and Related Clinical Factors at a Nursing Home

  • 1Department of Psychiatry, Kangnam General Hospital Public Corporation, Seoul, Korea. narae@kangnamhosp.or.kr


This study was designed to evaluate the cause of mortality in patients with dementia, including Alzheimer's disease and multi-infarct dementia, and those without dementia. METHOD: Hospital records of geriatric patients (> or =65) in nursing home having dementia were reviewed retrospectively for 6 years. The total number of patients was 351 (the number of demented patients was 146 and those without dementia was 68). Of the ones with dementia, 146 had dementia of Alzheimer's type, 101 patients had vascular dementia, and 36 patients had non-specific dementia. This study focused on the different complications associated with Alzheimer's disease and cerebrovascular dementia. RESULT: 1) The average age at death of demented patient is higher than the non-demented population;however, there is no difference in age between Alzheimer's disease and vascular dementia. 2) There is no difference in time spent in the nursing home among the non-demented group, Alzheimer's disease and vascular dementia group from admission to death. The life expectancy of male patients with Alzheimer's disease after admission to the nursing home is significant shorter than their female counterpart. 3) Patients with vascular dementia have a higher incidence of hypertension, atherosclerotic disease, and diabetes than the Alzheimer's patients. 4) The main overall causes of the death (in nursing home patients) are infection and sepsis. In Alzheimer's disease's, sepsis is the major cause of death, while in vascular dementia, atherosclerotic disease is the number one cause.
Knowledge of the causes of the death in demented patients may help the management of the possible complications associated with the different types of dementia. However, long-term research is then needed to analyze the survival rates of demented nursing home patients.


Dementia; Death; Complications; Cause of the death
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