• Am J Emerg Med · Feb 2022

    Observational Study

    Association between fentanyl treatment for acute pain in the emergency department and opioid use two weeks after discharge.

    • Raoul Daoust, Jean Paquet, Verilibe Huard, Jean-Marc Chauny, Gilles Lavigne, David Williamson, Manon Choinière, Eddy Lang, Justin W Yan, Jeffrey J Perry, Marcel Emond, Sophie Gosselin, Alexis Cournoyer, and OPUM Research Group.
    • Department of Emergency Medicine, Research Centre, CIUSSS-Nord-de-l'Île de-Montréal, Hôpital Sacré-Cœur de Montréal, Montréal, Québec, Canada; Département Médecine de Famille et Médecine d'Urgence, Faculté de Médecine, Université de Montréal, Montréal, Québec, Canada; Research Centre, CIUSSS-Nord-de-l'Île de-Montréal, Hôpital Sacré-Cœur de Montréal, Montréal, Québec, Canada. Electronic address: raoul.daoust@umontreal.ca.
    • Am J Emerg Med. 2022 Feb 1; 52: 137-142.

    BackgroundAnalgesia with fentanyl can be associated with hyperalgesia (higher sensitivity to pain) and can contribute to escalating opioid use. Our objective was to assess the relationship between emergency department (ED) acute pain management with fentanyl compared to other opioids, and the quantity of opioids consumed two-week after discharge. We hypothesized that the quantity of opioids consumed would be higher for patients treated with fentanyl compared to those treated with other opioids.MethodsPatients were selected from two prospective cohorts assessing opioids consumed after ED discharge. Patients ≥18 years treated with an opioid in the ED for an acute pain condition (≤2 weeks) and discharged with an opioid prescription were included. Patients completed a 14-day paper or electronic diary of pain medication use. Quantity of 5 mg morphine equivalent tablets consumed during a 14-day follow-up by patients treated with fentanyl compared to those treated with other opioids during their ED stay were analyzed using a multiple linear regression and propensity scores.ResultsWe included 707 patients (mean age ± SD: 50 ± 15 years, 47% women) in this study. During follow-up, patients treated with fentanyl (N = 91) during their ED stay consumed a median (IQR) of 5.8 (14) 5 mg morphine equivalent pills compared to 7.0 (14) for those treated with other opioids (p = 0.05). Results were similar using propensity score sensitivity analysis. However, after adjusting for confounding variables, ED fentanyl treatment showed a trend, but not a statistically significant association with a decreased opioid consumption during the 14-day follow-up (B = -2.4; 95%CI = -5.3 to 0.4; p = 0.09).ConclusionsPatients treated with fentanyl during ED stay did not consume more opioids after ED discharge, compared to those treated with other opioids. If fentanyl does cause more hyperalgesia compared to other opioids, it does not seem to have a significant impact on opioid consumption after ED discharge.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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