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Title: Anticholinergic Drug Burden and Delirium: A Systematic Review
Author: Egberts, Angelique
Moreno González, Rafael
Alan, Hava
Ziere, Gijsbertus
Mattace-Raso, Francesco
Keywords: Deliri
Issue Date: 1-Jan-2021
Publisher: Elsevier Inc.
Abstract: Objectives: To investigate the association between anticholinergic drug burden (ADB), measured with anticholinergic drug scales, and delirium and delirium severity. Design: Systematic review. Setting and Participants: All available studies. Methods: A systematic literature search was performed in Medline, Embase, PsycINFO, Web of Science, CINAHL, Cochrane library, and Google Scholar. Studies evaluating the association between ADB (measured as a total score) and delirium or delirium severity, published in English, were eligible for inclusion. Results: Sixteen studies, including 148,756 persons, were included. Fifteen studies investigated delirium. ADB was measured with the Anticholinergic Risk Scale (ARS, n 1⁄4 5), the Anticholinergic Cognitive Burden Scale (ACB, n 1⁄4 6), the list of Chew (n 1⁄4 1), the Anticholinergic Drug Scale (ADS, n 1⁄4 5), a modified version of the ARS (n 1⁄4 1), and a modified version of the ACB (n 1⁄4 1). A high ADB, measured with the ARS, was associated with delirium (5/5). Also with the modified version of the ARS and ACB, an asso- ciation was found between a high ADB and delirium during 3-month (1/1) and 1-year follow-up (1/1), respectively. When ADB was assessed with other scales, the results were inconclusive, with only 1 positive association for the ACB (1/6) and ADS (1/5) each. The possible association between ADB and delirium severity has also been investigated (ADS n 1⁄4 2, Summers Drug Risk Number n 1⁄4 1). One study found an association between a high ADB, measured with the ADS, and an increase in severity of delirium. Conclusions and Implications: ADB assessed with the ARS is consistently associated with delirium. The association found between the modified versions of the ARS and ACB and delirium needs confirmation. When ADB was assessed with other scales, the findings were inconclusive. The current findings suggest that the ARS might be a useful tool to identify patients at increased risk for delirium.
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It is part of: Journal of The American Medical Directors Association, 2021, vol. 22, num. 1, p. 65-74
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Appears in Collections:Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

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