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Substance-Related Acute Toxicity Deaths in Canada From 2016 to 2017: Protocol for a Retrospective Chart Review Study of Coroner and Medical Examiner Files

Substance-Related Acute Toxicity Deaths in Canada From 2016 to 2017: Protocol for a Retrospective Chart Review Study of Coroner and Medical Examiner Files

In offices where it was possible to identify potential cases based on an International Classification of Disease, 10th Revision, underlying cause of death code, relevant categories included X40 to X45, X47, and X49 (accidental poisoning); X60 to X65, X67, and X69 (intentional self-poisoning); and Y10-Y15, Y17, and Y19 (poisoning with undetermined intent) [41]. As part of the data collection process, abstractors were instructed to regularly run built-in queries to check data completion.

Jenny Rotondo, Amanda VanSteelandt, Fiona Kouyoumdjian, Matthew J Bowes, Tanya Kakkar, Graham Jones, Brandi Abele, Regan Murray, Emily Schleihauf, Jessica Halverson, Jennifer Leason, Dirk Huyer, Beth Jackson, Songul Bozat-Emre, Devanshi Shah, Erin E Rees

JMIR Public Health Surveill 2025;11:e49981

Association Between Prosuicide Website Searches Through Google and Suicide Death in the United States From 2010 to 2021: Lagged Time-Series Analysis

Association Between Prosuicide Website Searches Through Google and Suicide Death in the United States From 2010 to 2021: Lagged Time-Series Analysis

Deaths were further categorized using all listed causes of death by means including: firearm (X72-X74), suffocation (X70), and poisoning (X60-X69). These means categories encompassed 92.4% of the total national suicides between 2010 and 2021; other means were not sufficiently prevalent for analysis. We also identified deaths that involved opioid overdose as a subcategory of poisoning for sensitivity analyses.

Nora Clancy Kelsall, Catherine Gimbrone, Mark Olfson, Madelyn S Gould, Jeffrey Shaman, Katherine Keyes

J Med Internet Res 2024;26:e53404

Evaluation of a Portable Blood Gas Analyzer for Prehospital Triage in Carbon Monoxide Poisoning: Instrument Validation Study

Evaluation of a Portable Blood Gas Analyzer for Prehospital Triage in Carbon Monoxide Poisoning: Instrument Validation Study

Carbon monoxide (CO) poisoning is a leading cause of death, morbidity, and cost by poisoning worldwide [1]. It is classically encountered in winter, in enclosed spaces, and with any kind of combustion [2-4]. Symptoms are mostly aspecific, making CO poisoning difficult to identify.

Matthieu Lyon, Christophe Alain Fehlmann, Marc Augsburger, Thomas Schaller, Catherine Zimmermann-Ivol, Julien Celi, Birgit Andrea Gartner, Nicolas Lorenzon, François Sarasin, Laurent Suppan

JMIR Form Res 2023;7:e48057

Automating Detection of Drug-Related Harms on Social Media: Machine Learning Framework

Automating Detection of Drug-Related Harms on Social Media: Machine Learning Framework

Moreover, NPSs are being consumed unintentionally as a result of the contaminated unregulated drug supply (particularly nonmedical benzodiazepines and synthetic opioids; Canadian Community Epidemiology Network on Drug Use reports or alerts), driving the record-high drug poisoning rates observed in North America and elsewhere [5]. The rapidly evolving and unregulated nature of this market poses a challenge in collecting and tracking up-to-date information regarding drug use harms.

Andrew Fisher, Matthew Maclaren Young, Doris Payer, Karen Pacheco, Chad Dubeau, Vijay Mago

J Med Internet Res 2023;25:e43630