{"id":13168,"date":"2023-03-08T00:00:00","date_gmt":"2023-03-08T05:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/publications\/journal-articles\/amphetamine-related-emergency-department-visits-in-ontario-canada-2003-2020\/"},"modified":"2023-11-16T11:29:55","modified_gmt":"2023-11-16T16:29:55","slug":"amphetamine-related-emergency-department-visits-in-ontario-canada-2003-2020","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/amphetamine-related-emergency-department-visits-in-ontario-canada-2003-2020\/","title":{"rendered":"Amphetamine-related emergency department visits in Ontario, Canada, 2003-2020"},"content":{"rendered":"<p><strong>Objectives<\/strong> \u2014 Despite unregulated amphetamine use increasing, there are limited data on related emergency department (ED) visits in Canada. Our primary objective was to examine trends in amphetamine-related ED visits over time in Ontario, including by age and sex. Secondary objectives were to examine whether patient characteristics were associated with ED revisit within 6 months.<\/p>\n<p><strong>Methods<\/strong> \u2014 Using administrative claims and census data, we calculated annual patient- and encounter-based rates of amphetamine-related ED visits from 2003 to 2020 among individuals 18+ years of age. We also performed a retrospective cohort study of individuals with amphetamine-related ED visits between 2019 and 2020 to determine whether select factors were associated with ED revisit within 6 months. Multivariable logistic regression modelling was used to measure associations.<\/p>\n<p><strong>Results<\/strong> \u2014 The population-based rate of amphetamine-related ED visits increased nearly 15-fold between 2003 (1.9\/100,000 Ontarians) and 2020 (27.9\/100,000 Ontarians). Seventy-five percent of individuals returned to the ED for any reason within 6 months. Psychosis and use of other substances were both independently associated with ED revisit for any reason within 6 months (psychosis: AOR =1.54, 95% CI =1.30\u20131.83; other substances: AOR=1.84, 95% CI =1.57\u20132.15), whereas having a primary care physician was negatively associated with ED revisit (AOR=0.77, 95% CI=0.60\u20130.98).<\/p>\n<p><strong>Conclusions<\/strong> \u2014 Increasing rates of amphetamine-related ED visits in Ontario are cause for concern. Diagnoses of psychosis and the use of other substances may serve to identify individuals who are most likely to benefit from both primary and substance-specific care.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objectives \u2014 Despite unregulated amphetamine use increasing, there are limited data on related emergency department (ED) visits in Canada. Our primary objective was to examine trends in amphetamine-related ED visits over time in Ontario, including by age and sex. Secondary objectives were to examine whether patient characteristics were associated with ED revisit within 6 months. [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[24,56],"migration-helper-qa-sample-set":[],"class_list":["post-13168","journal_article","type-journal_article","status-publish","hentry","topic-acute-and-emergency-services","topic-pharmacoepidemiology-and-drug-safety"],"acf":{"citation":"Crispo JAG, Liu L, Bach P, Ansell DR, Sivapathasundaram B, Nguyen F, Kurdyak P, Seitz DP, Conlon M, Cragg JJ. <em>Can J Psychiatry<\/em>. 2023; 68(11):838-49. Epub 2023 Mar 8.","source_url":"https:\/\/journals.sagepub.com\/doi\/10.1177\/07067437231158933","ices_scientist":[1183,1152,1356,1189],"site":[6738],"research_program":[6741],"news_release":[13258],"journal_article":"","atlas":"","research_report":"","infographic":[13292],"video":"","downloads":null,"links":null,"sitecore_item_id":"512C280B-CC97-49D3-A99F-485F57B0B3FE","sitecore_item_name":"Amphetamine-related-emergency-department-visits-in-Ontario-Canada-2003-2020","sitecore_field_values":"{\r\n  \"Title\": \"Amphetamine-related emergency department visits in Ontario, Canada, 2003-2020\",\r\n  \"Short title\": \"Amphetamine-related emergency\",\r\n  \"Summary\": \"This study concluded that increasing rates of amphetamine-related ED visits in Ontario are cause for concern. \",\r\n  \"Citation\": \"<p>Crispo JAG, Liu L, Bach P, Ansell DR, Sivapathasundaram B, Nguyen F, Kurdyak P, Seitz DP, Conlon M, Cragg JJ. <em>Can J Psychiatry<\/em>. 2023; Mar 8 [Epub ahead of print]. DOI: <a href=\"https:\/\/doi.org\/10.1177\/07067437231158933\" title=\"opens external link\">https:\/\/doi.org\/10.1177\/07067437231158933<\/a><\/p>\",\r\n  \"Abstract\": \"<p><strong>Objectives<\/strong> &mdash; Despite unregulated amphetamine use increasing, there are limited data on related emergency department (ED) visits in Canada. Our primary objective was to examine trends in amphetamine-related ED visits over time in Ontario, including by age and sex. Secondary objectives were to examine whether patient characteristics were associated with ED revisit within 6 months.<\/p>n<p><strong>Methods<\/strong> &mdash; Using administrative claims and census data, we calculated annual patient- and encounter-based rates of amphetamine-related ED visits from 2003 to 2020 among individuals 18+ years of age. We also performed a retrospective cohort study of individuals with amphetamine-related ED visits between 2019 and 2020 to determine whether select factors were associated with ED revisit within 6 months. Multivariable logistic regression modelling was used to measure associations.<\/p>n<p><strong>Results<\/strong> &mdash; The population-based rate of amphetamine-related ED visits increased nearly 15-fold between 2003 (1.9\/100,000 Ontarians) and 2020 (27.9\/100,000 Ontarians). Seventy-five percent of individuals returned to the ED for any reason within 6 months. Psychosis and use of other substances were both independently associated with ED revisit for any reason within 6 months (psychosis: AOR =1.54, 95% CI =1.30&ndash;1.83; other substances: AOR=1.84, 95% CI =1.57&ndash;2.15), whereas having a primary care physician was negatively associated with ED revisit (AOR=0.77, 95% CI=0.60&ndash;0.98).<\/p>n<p><strong>Conclusions<\/strong> &mdash; Increasing rates of amphetamine-related ED visits in Ontario are cause for concern. Diagnoses of psychosis and the use of other substances may serve to identify individuals who are most likely to benefit from both primary and substance-specific care.<\/p>n<p><a href=\"https:\/\/journals.sagepub.com\/doi\/10.1177\/07067437231158933\" title=\"opens external link\">View full text<\/a><\/p>\",\r\n  \"ICES Scientists\": \"{6D79E354-38E7-4BB3-940B-96E4104357F5}|{B5C574DB-2952-4976-9299-A6F54F1757FA}|{DB9C788E-A93C-4F87-94A6-3DE6BF53C573}|{38EC2911-02F8-4928-BFEA-973733B7657A}\",\r\n  \"Posted Date\": \"20230308T000000\",\r\n  \"Show on Publications Landing Page\": \"1\"\r\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2023\/March\/Amphetamine-related-emergency-department-visits-in-Ontario-Canada-2003-2020"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Amphetamine-related emergency department visits in Ontario, Canada, 2003-2020<\/title>\n<meta name=\"description\" content=\"Objectives \u2014 Despite unregulated amphetamine use increasing, there are limited data on related emergency department (ED) visits in Canada. 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