Journal
THERAPEUTIC ADVANCES IN DRUG SAFETY
Volume 10, Issue -, Pages -Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/2042098619832471
Keywords
deprescribing; Drug Burden Index; intervention; older adults; polypharmacy
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Funding
- Australian National Health Medical Research Council (NHMRC) Primary Healthcare Scholarship
- Australian NHMRC Dementia Leadership Fellowship
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Background: Our aim in this research was to establish whether integrating an electronically generated calculation and report on the Drug Burden Index (DBI) in the Home Medicines Review (HMR) setting is an accurate, feasible and useful risk assessment tool to assess risk of anticholinergic and sedative medications; and to establish whether the intervention of DBI together with HMR is associated with a reduced use of anticholinergic and sedative medications in older community-dwelling adults in Australia. Methods: An interventional feasibility study was conducted. Accredited clinical pharmacists (APs) were recruited to participate. Each AP was educated on implementation of the DBI into HMR practice and given access to the DBI Calculator (c) web-based software to generate the DBI report for inclusion in HMR reports for general practitioners (GPs). APs recruited patients (> 65 years) who were referred to them for HMRs. Patients were sent a letter about their DBI exposure, and a prompt to visit their GP to discuss their medication management options. GPs, APs and patients were asked to evaluate the feasibility and utility of the DBI report. A medication inventory was collected from patients at the time of the HMR and at 3 months to determine whether the intervention affected deprescribing of medications with anticholinergic and sedative effects. Results: Regarding the feasibility of the DBI report as a risk assessment tool within HMR, 89% of APs and 67% of GPs agreed that it would be feasible. The DBI Calculator (c) was potentially inaccurate, as 26% of DBI scores were underestimated and 7% were overestimated (at baseline). At 3 months, the median (interquartile range) DBI for patients (n = 100) significantly decreased from 0.82 (0-1.33) to 0.67 (0-1.29) (p = 0.014). Additionally, of patients with a DBI > 0 (n = 66), 36.4% had their DBI score decrease, and 6.1% had a score increase. Conclusion: This study demonstrated that integration of the DBI Calculator (c) into HMR is a feasible and useful method to prompt deprescribing of anticholinergic and sedative medications in older adults. There is potential for the accuracy of the web-based platform to be improved. Registration of trial: Name: Feasibility study of the Drug Burden Index with Home Medicines Review. Website: Trial ID: ACTRN 12615000539538.
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