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Psychotropic drug use in elderly people with and without dementia
M S Giron1, Y Forsell, C Bernsten
1Division of Geriatric Medicine, NEUROTEC, Karolinska Institute, Stockholm, Sweden. maria.stella.t.giron@neurotec.ki.se
Objective:
To determine the prevalence of psychotropic drug use in very old persons with and without dementia in two time periods, and describe the patterns of psychotropic drug use between institutions and non-institutions.
Methods:
Descriptive analysis on a sample of subjects aged 81+ from a population-based study in Stockholm, Sweden. Psychotropic drug use data were collected from the 1987-1989 and 1994-1996 periods of the study. The diagnosis of dementia was based on the DSM III-R.
Results:
About 41% of the subjects used at least one psychotropic drug in both periods. Women and subjects in institutions more commonly used psychotropic drugs. The most commonly reported were, in rank order, hypnotics-sedatives, anxiolytics, antipsychotics and antidepressants. Hypnotics-sedatives and anxiolytics were the most commonly used in both institutions and non-institutions. More persons with dementia used psychotropic drugs in both periods. The use of newer drugs, for example, SSRI, was evident. Multivariate analyses showed increased risk for psychotropic drug use among subjects in institutions.
Conclusions:
This study confirms the high rate of psychotropic drug use in the very old, particularly in persons with dementia. Psychotropic drug use was high among subjects living in institutions.