Increase in emergency department visits related to cannabis reported using syndromic surveillance system

Author:

Noel G N123,Maghoo A M3,Franke F F4,Viudes G V1,Minodier P M1

Affiliation:

1. PACA Regional Emergency Department Observatory (ORUPACA), Hyères, France

2. Pediatric Emergency Department, APHM, Marseille, France

3. Public Health Department, EA 3279, Chronic Diseases and Quality of Life, Aix-Marseille University, Marseille, France

4. Santé Publique France, French National Public Health Agency, Regional Unit (CIRE Provence-Alpes-Côte d'Azur and Corsica), Marseille, France

Abstract

Abstract Background Cannabis is illegal in France but, as in many countries, legalization is under debate. In the United States, an increase of emergency department (ED) visits related to cannabis exposure (CE) in infants and adults was reported. In France, a retrospective observational study also suggested an increase of CE in children under 6 years old. This study only included toddlers and the data sources used did not allow repeated analysis for monitoring. Methods Our study aimed to evaluate the trend in visits for CE in ED in patients younger than 27 years old in Southern France. A cross-sectional study using the Electronic Emergency Department Abstracts (EEDA) included in the national Syndromic Surveillance System. CE visits were defined using International Classification of Disease (ICD-10). Results From 2009 to 2014, 16 EDs consistently reported EEDA with <5% missing diagnosis code. Seven hundred and ninety seven patients were admitted for CE including 49 (4.1%) children under 8 years old. From 2009–11 to 2012–14, the rate of CE visits increased significantly across all age groups. The highest increase was in the 8–14 years old (+144%; 1.85–4.51, P < 0.001) and was also significant in children under 8 (0.53–1.06; P = 0.02). Among children under 8, hospitalization rate (75.5% vs. 16.8%; P < 0.001) and intensive care unit admissions (4.1% vs. 0.1%; P < 0.001) were higher compared with patients older than 8 years. Conclusion These trends occurred despite cannabis remaining illegal. EEDA could be useful for monitoring CE in EDs.

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health

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