Anticholinergic burden and revisit risk in frail patients with pharmacological sleepiness
EUROPEAN JOURNAL OF HOSPITAL PHARMACY(2024)
Abstract
Objective Drug-induced sleepiness is a frequent cause of emergency department (ED) visits for frail patients. The aim of this study was to assess the impact of anticholinergic burden on 90-day revisitation risk for frail patients who visit the ED due to drug-induced sleepiness. Methods This was a retrospective study in which patients treated at a fragility care area of an ED who sought consultation for drug-associated sleepiness from June 2020 to June 2021 were included. To evaluate the 90-day revisitation risk factors, a multivariate analysis was performed, including those factors with a p Results One hundred and forty-eight patients were included (mean age 80.7 +/- 12.3 years). The median number of drugs that patients were currently on at emergency admission was eight (range 2-19), while at hospital discharge it was nine (range 2-20), with the median number of central nervous system (CNS) depressant drugs on admission being three (range 1-6). Thirty-five (23.6%) patients revisited the ED 90 days after discharge for sleepiness or agitation. In the multivariate model, a significant association was observed between a high anticholinergic burden during treatment at discharge (OR 3.74, 95% CI 1.36 to 9.71), chronic kidney disease (OR 2.87, 95% CI 1.19 to 6.81), and the risk of 90-day revisitation. Patients with high anticholinergic burden had a shorter time to revisit than those with medium or low anticholinergic burden (HR 1.96, 95% CI 1.05 to 3.99). Conclusions Patients with pharmacological sleepiness and a high anticholinergic burden in their chronic treatment carry a greater risk of revisitation to EDs, and should be considered candidates for specific interventions after visiting these units.
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Key words
DRUG-RELATED SIDE EFFECTS AND ADVERSE REACTIONS,EMERGENCY MEDICINE,GERIATRICS,Safety,PRIMARY HEALTH CARE
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