• Suzanne M Lane, Lindsey K Jennings, Sarah S Gainey, Kelly S Barth, Louise Haynes, Angela Moreland, Karen Hartwell, and Kathleen T Brady.
• Department of Psychiatry and Behavioral Science, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina.
• J Emerg Med. 2023 Dec 1; 65 (6): e534e541e534-e541.

BackgroundOpioid-involved deaths are continuing to increase across the United States, exceeding 100,000 for the first time in 2021. Contamination with, and intentional use of, synthetic opioids such as fentanyl are a major driver of this increase. Utilizing self-report substance use data of patients being treated in the emergency department (ED) can be useful to determine which substances patients are intentionally seeking.Objectives1) Examine changes in self-reported illicit substance use (including fentanyl) over time; 2) Examine changes in the co-occurrence of self-reported fentanyl with other illicit substance use over time.MethodsAll patients presenting to the study EDs that answered anything other than "never" on the National Institute on Drug Abuse Quick Screen and were seen by a peer recovery specialist in the ED between July 1, 2020 and December 31, 2022 were included for analysis. The substance of use as reported by each patient was recorded by the peer recovery specialist. Differences in substance use by type over time were examined using chi-squared tests of proportions.ResultsThere were 7568 patients that met inclusion criteria. Self-reported fentanyl (1760%; p < 0.0001) and cocaine (82%; p = 0.034) use increased, whereas heroin use (16%; p < 0.0001) decreased.ConclusionsSelf-reported fentanyl and cocaine use has increased significantly in South Carolina ED patients between 2020 and 2022. Given the high morbidity and mortality associated with fentanyl and fentanyl analog use, further measures to identify these patients and provide harm reduction and treatment from the ED setting are warranted.Copyright © 2023 Elsevier Inc. All rights reserved.

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