• Brian Farris, Courtney Shakowski, Scott W Mueller, Suzanne Phong, Tyree H Kiser, and Gabrielle Jacknin.
• Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO.
• Am J Health Syst Pharm. 2018 Mar 1; 75 (5): 316-320.

PurposeBarriers to and clinical implications of patient nonadherence to filling discharge medication prescriptions from the emergency department (ED) were evaluated.MethodsThis was a retrospective, observational analysis of patients discharged from the ED from April 2013 through May 2015 with medication prescriptions. Patients age 18-89 years who were seen in the ED and did not retrieve discharge medication prescriptions from the onsite, 24-hour ED discharge pharmacy were included in this study. Patients who did not pick up prescriptions were called and asked about barriers to prescription filling. These charts were then retrospectively reviewed and categorized. The primary study outcome was the frequency of nonadherence to filling discharge medications prescribed during the ED visit at the ED outpatient pharmacy. Secondary outcomes included identifying barriers to medication adherence, the rate of return ED visits within 30 days of ED discharge, and the rate of 30-day hospital admissions. Associations between patient and medication variables and the rates of return ED visits within 30 days of discharge and 30-day hospital admissions were analyzed.ResultsOf the 4,444 patients discharged from the ED with a prescription to be filled at the satellite pharmacy, 510 were nonadherent. Of these patients, 505 had complete chart information available for evaluation. A large proportion of nonadherent patients revisited the ED within 30 days of ED discharge. Multivariate logistic regression found payer class, ethnicity, and sex were independently associated with return ED visits.ConclusionThe majority of patients who received a prescription during an ED visit filled their discharge medications. Sex, ethnicity, and payer class were independently associated with nonadherence.Copyright © 2018 by the American Society of Health-System Pharmacists, Inc. All rights reserved.

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