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BMC Emergency Medicine
Published in: BMC Emergency Medicine 1/2015

Open Access 01-12-2015 | Research article

Patients presenting with acute poisoning to an outpatient emergency clinic: a one-year observational study in Oslo, Norway

Authors: Odd Martin Vallersnes, Dag Jacobsen, Øivind Ekeberg, Mette Brekke

Published in: BMC Emergency Medicine | Issue 1/2015

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Abstract

Background

In Oslo, the majority of patients with acute poisoning are treated in primary care, at an emergency outpatient clinic with limited diagnostic and treatment resources. We describe the poisonings currently seen in this setting. We compare our findings with previous studies, with special concern for the appearance of new toxic agents, and changes in overall numbers and patterns of poisoning.

Methods

Observational study. Patients above the age of 12 years presenting at Oslo Accident and Emergency Outpatient Clinic (Oslo Legevakt) with acute poisoning were included consecutively from October 2011 through September 2012. Physicians and nurses registered data on preset forms. Main outcome measures were toxic agents, age, sex, intention, referral and time of presentation.

Results

There were 2923 episodes of acute poisoning in 2261 patients. Median age of the patients was 32 years, and 1430 (63 %) were males. The most frequent toxic agents were ethanol in 1684 (58 %) episodes, heroin in 542 (19 %), benzodiazepines in 521 (18 %), amphetamine in 275 (9 %), fire smoke in 192 (7 %), gamma-hydroxybutyrate (GHB) in 144 (5 %), and cannabis in 143 (5 %). In 904 (31 %) poisonings there were more than one toxic agent. In 493 episodes (17 %), the patient was hospitalised, and in 60 episodes (2 %) admitted to a psychiatric ward. Most poisonings, 2328 (80 %), were accidental overdoses with substances of abuse, 276 (9 %) were suicide attempts, and 312 (11 %) were accidents. Among ethanol poisonings in patients above the age of 26 years, 685/934 (73 %) were in males, and 339/934 (36 %) presented during weekends. However, among ethanol poisonings in patients under the age of 26 years, 221/451 (49 %) were in females, and 297/451 (66 %) presented during weekends.

Conclusions

The poisonings treated in this primary care setting were mostly due to accidental overdoses with ethanol or other substances of abuse. There is a disconcerting weekend drinking pattern among adolescents and young adults, with young females presenting as often as young males with ethanol poisoning.
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Metadata
Title
Patients presenting with acute poisoning to an outpatient emergency clinic: a one-year observational study in Oslo, Norway
Authors
Odd Martin Vallersnes
Dag Jacobsen
Øivind Ekeberg
Mette Brekke
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Emergency Medicine / Issue 1/2015
Electronic ISSN: 1471-227X
DOI
https://doi.org/10.1186/s12873-015-0045-2

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