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Do heroin overdose patients require observation after receiving naloxone?
Michael W Willman1, David B Liss1, Evan S Schwarz1
1a Division of Emergency Medicine , Washington University , St. Louis , MO , USA.
Clinical Toxicology (Philadelphia, Pa.)
|November 17, 2016
Summary
Heroin overdose patients revived with naloxone can often refuse hospital transport if stable. A one-hour emergency department observation is sufficient for safe discharge after naloxone administration.
Area of Science:
- Emergency Medicine
- Toxicology
- Public Health
Background:
- Rising heroin use and overdoses necessitate understanding naloxone (Narcan) treatment protocols.
- Patients revived with naloxone may refuse medical transport, raising concerns about recurrent respiratory depression and pulmonary edema.
- The optimal observation duration for patients treated with naloxone in the emergency department is debated.
Purpose of the Study:
- To review medical literature on the risks of refusing transport after naloxone for heroin users.
- To determine the recommended observation period for patients treated with naloxone in the emergency department.
- To assess the efficacy and safety of naloxone administration by first responders and bystanders.
Main Methods:
- Literature search of PubMed and Google Scholar for studies on naloxone use in heroin overdose.
- Review of relevant articles focusing on prehospital refusal of transport, emergency department observation times, and layperson administration of naloxone.
- Analysis of observational studies, including prospective and retrospective designs.
Main Results:
- Observational studies indicate a low risk of death (4 deaths in 5443 patients) for heroin users refusing transport after naloxone, with adverse effects mainly related to opioid withdrawal.
- A one-hour observation period in the emergency department is suggested as sufficient if patients are alert, have normal vital signs, and a Glasgow Coma Scale of 15.
- Naloxone administration by first responders and bystanders shows high survival rates (96-100%), with minimal associated risks in overdose prevention programs.
Conclusions:
- Heroin overdose patients revived with naloxone can be safely discharged without hospital transport if medically stable, with minimal risk of rebound toxicity.
- A one-hour emergency department observation period is adequate for patients demonstrating normal vital signs and function after naloxone.
- Naloxone administration by trained laypeople and first responders is safe and effective, supporting community-based overdose prevention programs.
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