Journal
DEMENTIA AND GERIATRIC COGNITIVE DISORDERS
Volume 25, Issue 3, Pages 226-231Publisher
KARGER
DOI: 10.1159/000114450
Keywords
dementia; Alzheimer's disease; acetylcholinesterase inhibitors (donepezil); memory clinic; outcomes
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Background: In the UK it is recommended that acetylcholinesterase inhibitors be restricted to patients with moderate Alzheimer's disease, and progress monitored within specialist clinics. Objective: To describe a cohort of patients with Alzheimer's disease from a whole city population treated with donepezil, and to analyse outcomes over 4 years. Methods: Historical cohort design: 88 patients recruited 1997 1998, assessed at baseline with 4-year follow-up, using an agreed protocol and validated measures: survival, retention in treatment, cognition, non-cognitive symptoms, weight change, carer stress. Results: 64.7% remained on treatment beyond 6 months, 57.9% beyond 1 year and 12.5% beyond 4 years. 56% remained alive at 4 years-almost twice the number predicted. Mean MMSE score amongst patients in treatment did not deteriorate over 4 years. Survival, retention in treatment, maintenance/improvement of cognition was greater with high baseline MMSE. Non-cognitive symptoms, carer stress and weight change remained low throughout. Conclusions: A minority of people with dementia from the population (88 of potential 2,000 at outset, 11 by 4 years) received treatment. Benefits for individuals were confirmed, especially for those with mild impairment. Expenditure on medication was modest in a population context. These findings question recent guidance from the National Institute for Clinical Excellence, which would restrict therapy to patients with moderate cognitive impairment. Copyright (c) 2008 S. Karger AG, Basel.
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