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Opioid prescriptions in the ED linked to small increases in future opioid use, hospitalizations

2025-02-10
(Press-News.org) Opioid prescriptions in the emergency department (ED) were associated with small increases in later opioid prescriptions and hospital admissions, found new research published in CMAJ (Canadian Medical Association Journal) https://www.cmaj.ca/lookup/doi/10.1503/cmaj.241542.

To understand the relationship between opioid prescribing in the ED and subsequent harm, researchers looked at opioid prescribing at all Alberta EDs from 2010 to 2020. Of the more than 13 million visits, 689 074 patients (5.3%) filled an opioid prescription. The researchers found that opioid prescriptions did not increase the risk of death or overdose, but that opioid-treated patients were more likely than untreated controls to require a hospital admission (16.4% v. 15.1%) or to receive additional opioid prescriptions (4.5% v. 3.3%) in the year following the ED visit.

“Emergency physicians face growing pressure to curtail opioid prescribing but must manage severe pain and treat opioid-tolerant patients who can no longer access opioids from their physicians,” writes Dr. Grant Innes, professor of emergency medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, with coauthors. “There is little research to guide them.”

The researchers concluded that although single opioid prescriptions are not risk free, the likelihood of harm is low and unlikely to outweigh the benefit of treating severe pain. Their findings also show that patient characteristics influence risk and that adverse outcomes are more likely with opioid-naive patients, older patients, patients with multiple health conditions, and frequent ED users.

“Physicians should understand the concept of patient-specific incremental risks when prescribing opioids for acute pain and prescribe cautiously within high-risk groups,” the authors conclude.

They also suggest that future research should investigate the effects of different opioid drugs, which may not be equal, and identify health conditions where opioid risk is more or less severe.

“Research and guidance in this area is long overdue, and only filling this research gap will allow acute pain prescribers and their patients to consider how best to ameliorate pain while minimizing potential harms related to opioid prescription,” writes Dr. Donna Reynolds, a family physician and acting co-chair of the Canadian Task Force on Preventive Health Care, with coauthors in a related commentary https://www.cmaj.ca/lookup/doi/10.1503/cmaj.250094.

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[Press-News.org] Opioid prescriptions in the ED linked to small increases in future opioid use, hospitalizations