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Erschienen in:
01.04.2008 | Original Research Article
Use of Antipsychotics in Older Home Care Patients in Finland
Erschienen in: Drugs & Aging | Ausgabe 4/2008
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Objective
To investigate the use of antipsychotic medications, and factors associated with such use, in elderly patients in home care in Finland.
Method
A retrospective study was designed using cross-sectional data gathered between 1 July and 31 December 2004 in Finland. Data were extracted from the Resident Assessment Instrument (RAI) database, based on Minimum Data Set for Home Care (MDS-HC) assessments. Patients aged ≥65 years from five home care units in different parts of Finland (urban and rural) were included, yielding a total of 1106 patient assessments.
Results
The prevalence of antipsychotic use was 11% among home care patients. Factors independently associated with use of antipsychotics in the logistic regression model were: any psychiatric diagnosis (odds ratio [OR] 6.62, 95% CI 4.19, 10.45), delusions (OR 4.19, 95% CI 2.22, 7.90), parkinsonism (OR 3.08, 95% CI 1.07, 8.87), not at ease interacting with others (OR 1.88, 95% CI 1.06, 3.36) and moderate-to-severe cognitive impairment (OR 1.47, 95% CI 1.06, 2.04). By contrast, patients aged ≥85 years (OR 0.59, 95% CI 0.43, 0.81) were significantly less likely to be taking antipsychotics. Use of atypical antipsychotic medication was associated in the logistic regression model with delusions (OR 4.05, 95% CI 2.01, 8.17), parkinsonism (OR 3.66, 95% CI 1.10, 12.19), any psychiatric diagnosis (OR 3.06, 95% CI 1.66, 5.63), moderate-to-severe cognitive impairment (OR 2.0, 95% CI 1.32, 3.03) and age ≥85 years (OR 0.66, 95% CI 0.44, 0.99). However, use of conventional antipsychotics was associated only with any psychiatric diagnosis (OR 8.88, 95% CI 5.05, 15.61) and age ≥85 years (OR 0.65, 95% CI 0.44, 0.98).
Conclusion
The prevalence of antipsychotic medication use in elderly home care patients was higher than that previously reported among elderly people living in the community in Finland and Sweden (3–9%). Several predictive factors such as psychiatric diagnosis, delusions and cognitive impairment were associated with use of antipsychotics whereas there was a negative association between age ≥85 years and use of antipsychotics.