The relationship between polypharmacy and physical performance in patients with early-stage Alzheimer's disease.
Current medical research and opinion(2024)
Abstract
INTRODUCTION:Our aim was to evaluate the association between polypharmacy and certain physical performance measures used to assess ambulation in early-stage Alzheimer patients.
MATERIALS AND METHODS:This cross-sectional study was conducted in the dementia outpatient clinic of a tertiary care center. The usage of five or more drugs per day was accepted as polypharmacy and patients with moderate and severe dementia were excluded. Usual gait speed (UGS), timed up and go (TUG), and chair sit-to-stand test (CSST) were applied to assess physical performance status.
RESULTS:There were 134 participants in our study (67.9% female, mean age 80.2 ± 7.9 years) and 75 (56%) patients were polypharmacy patients. The patients with polypharmacy showed poor physical performance compared to the patients without polypharmacy (UGS p = .005, TUG p < .001, CSST p < .001). The parameters that were significantly higher and more common in the polypharmacy group were body mass index (p = .026), hypertension (p = .013), diabetes mellitus (p = .018), ischemic heart disease (p < .001), atrial fibrillation (p = .030), depression (p = .012), and hypothyroidism (p = .007). In multivariate analyses, polypharmacy was independently associated with slow UGS [Odds ratio (OR) 1.248 (95%) confidence interval (CI) 1.145-1.523, p = .007]; long TUG [OR 1.410 (95%) CI 1.146-1.736, p = .001]; and long CSST [OR 1.892 (95%) CI 1.389-2.578, p < .001].
CONCLUSION:Our study demonstrated the association of polypharmacy with poor physical performance in patients with early stage Alzheimer's disease. Prospective long-term studies investigating the relationship of polypharmacy and drug subgroups with physical performance in elderly patients with Alzheimer's disease would be appropriate.
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