• Jason A Hoppe, Howard Kim, and Kennon Heard.
• Department of Emergency Medicine, University of Colorado Denver School of Medicine, Aurora, CO; Rocky Mountain Poison and Drug Center, Denver, CO. Electronic address: jason.hoppe@ucdenver.edu.
• Ann Emerg Med. 2015 May 1; 65 (5): 493-499.e4.

Study ObjectiveAcute pain complaints are commonly treated in the emergency department (ED). Short courses of opioids are presumed to be safe for acute pain; however, the risk of recurrent opioid use after receipt of an ED opioid prescription is unknown. We describe the risk of recurrent opioid use in patients receiving an opioid prescription from the ED for an acute painful condition.MethodsThis is a retrospective cohort study of all patients discharged from an urban academic ED with an acute painful condition during a 5-month period. Clinical information was linked to data from Colorado's prescription drug monitoring program. We compared opioid-naive patients (no opioid prescription during the year before the visit) who filled an opioid prescription or received a prescription but did not fill it to those who did not receive a prescription. The primary outcome was the rate of recurrent opioid use, defined as filling an opioid prescription within 60 days before or after the first anniversary of the ED visit.ResultsFour thousand eight hundred one patients were treated for an acute painful condition; of these, 52% were opioid naive and 48% received an opioid prescription. Among all opioid-naive patients, 775 (31%) received and filled an opioid prescription, and 299 (12%) went on to recurrent use. For opioid-naive patients who filled a prescription compared with those who did not receive a prescription, the adjusted odds ratio for recurrent use was 1.8 (95% confidence interval 1.3 to 2.3). For opioid-naive patients who received a prescription but did not fill it compared with those who did not receive a prescription, the adjusted odds ratio for recurrent use was 0.8 (95% confidence interval 0.5 to 1.3).ConclusionOpioid-naive ED patients prescribed opioids for acute pain are at increased risk for additional opioid use at 1 year.Copyright © 2014 American College of Emergency Physicians. Published by Elsevier Inc. All rights reserved.

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