Common use of anticholinergic medications in older patients with schizophrenia: findings of the Research on Asian Psychotropic Prescription Pattern (REAP) study, 2001-2009
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AbstractObjective This study surveyed the use of anticholinergic medications (ACMs) in older Asian patients with schizophrenia and examined its demographic and clinical correlates. Method A total of 1452 hospitalized patients with schizophrenia aged 55 years or older in nine Asian countries and territories were surveyed between 2001 and 2009. The cross-sectional data of patients' socio-demographic and clinical characteristics and the prescriptions of antipsychotic drugs and ACM were recorded using a standardized protocol and data collection procedure. Results The frequency of ACM prescription was 64.6% in the pooled sample, with 72.4%, 61.9%, and 59.5% in 2001, 2004, and 2009, respectively. Multiple logistic regression analysis of the whole sample revealed that patients on ACM had a higher dose of antipsychotic medications, and were more likely to have extrapyramidal side effects and receive first-generation antipsychotic medications. Conclusions Anticholinergic medications were frequently used in older Asian patients with schizophrenia. Considering the potential side effects of ACM, the rationale for their widespread use in this patient population should be revisited. Copyright (c) 2012 John Wiley & Sons, Ltd.
All Author(s) ListXiang YT, Dickerson F, Kreyenbuhl J, Ungvari GS, Wang CY, Si TM, Lee EHM, Chiu HFK, Lai KYC, He YL, Yang SY, Chong MY, Tan CH, Kua EH, Fujii S, Sim K, Yong MKH, Trivedi JK, Chung EK, Udomratn P, Chee KY, Sartorius N, Shinfuku N
Journal nameInternational Journal of Geriatric Psychiatry
Year2013
Month3
Day1
Volume Number28
Issue Number3
PublisherWiley: 12 months
Pages305 - 311
ISSN0885-6230
eISSN1099-1166
LanguagesEnglish-United Kingdom
Keywordsanticholinergic; Asia; older patients; prescription patterns; schizophrenia
Web of Science Subject CategoriesGeriatrics & Gerontology; GERIATRICS & GERONTOLOGY; Gerontology; GERONTOLOGY; Psychiatry; PSYCHIATRY, SCI; PSYCHIATRY, SSCI

Last updated on 2020-25-05 at 00:01