{"id":22046,"date":"2025-07-02T10:20:50","date_gmt":"2025-07-02T14:20:50","guid":{"rendered":"https:\/\/www.ices.on.ca\/?post_type=journal_article&#038;p=22046"},"modified":"2025-07-03T10:22:59","modified_gmt":"2025-07-03T14:22:59","slug":"marginalized-neighborhoods-and-health-outcomes-in-younger-myocardial-infarction-survivors","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/marginalized-neighborhoods-and-health-outcomes-in-younger-myocardial-infarction-survivors\/","title":{"rendered":"Marginalized neighborhoods and health outcomes in younger myocardial infarction survivors"},"content":{"rendered":"<p><strong>Importance<\/strong> \u2014 Neighborhood characteristics may be independently associated with survival after acute myocardial infarction (AMI).<\/p>\n<p><strong>Objective<\/strong> \u2014 To examine the association of living in a marginalized neighborhood with mortality and care for younger AMI survivors (aged &lt;65 years) in a universal health care system.<\/p>\n<p><strong>Design, setting, and participants<\/strong> \u2014 Population-based retrospective cohort using clinical and administrative databases in Ontario, Canada. Participants were younger patients hospitalized for their first AMI who received invasive evaluation and survived to 7 days after discharge between April 1, 2010, and March 1, 2019. Statistical analysis was performed between May 27, 2022, and March 31, 2025.<\/p>\n<p><strong>Exposures<\/strong> \u2014 Neighborhood marginalization, a metric comprising material deprivation, residential instability, and dependency.<\/p>\n<p><strong>Main outcomes and measures<\/strong> \u2014 All-cause death, all-cause hospitalizations, and subsequent AMIs. Proportional hazards regression models were used to quantify the association of marginalization with outcomes over 3 years.<\/p>\n<p><strong>Results<\/strong> \u2014 Among 65\u202f464 AMI patients (median age, 56 [IQR, 50-61] years; 22.9% female), increasing neighborhood marginalization was associated with higher rates of mortality beginning 30 days after discharge and persisting over time. At 3 years, mortality rates ranged from 2.2% in the least marginalized neighborhood quintile (Q1) to 5.2% in the most marginalized (Q5). Adjusted hazard ratios for mortality over 3 years of follow-up were significantly higher in patients from marginalized neighborhoods and ranged from 1.13 (95% CI, 0.95-1.35) in Q2 to 1.52 (95% CI, 1.29-1.80) in Q5. Over 1 year, differences were observed between Q1 and Q5 in visits to primary care physicians (Q1, 96.1%; Q5, 91.6%) and cardiologists (Q1, 88.0%; Q5, 75.7%), as well as diagnostic testing.<\/p>\n<p><strong>Conclusions and relevance<\/strong> \u2014 In this cohort study of younger AMI survivors with universal health care, living in marginalized neighborhoods was associated with adverse outcomes. The observed differences in health service utilization among marginalized patients warrant further investigation to better understand the underlying structural and systemic factors.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Importance \u2014 Neighborhood characteristics may be independently associated with survival after acute myocardial infarction (AMI). Objective \u2014 To examine the association of living in a marginalized neighborhood with mortality and care for younger AMI survivors (aged &lt;65 years) in a universal health care system. Design, setting, and participants \u2014 Population-based retrospective cohort using clinical and [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[40,20,19],"migration-helper-qa-sample-set":[],"class_list":["post-22046","journal_article","type-journal_article","status-publish","hentry","topic-cardiovascular-disease","topic-health-and-health-care-inequality","topic-marginalized-populations"],"acf":{"citation":"Akioyamen LE, Sivaswamy A, Haldenby O, Abdel-Qadir H, Sud M, Alter DA, Atzema CL, Austin PC, Jackevicius CA, Kapral MK, Krumholz HM, Tu K, Wijeysundera HC, Ko DT. <em>JAMA Netw Open<\/em>. 2025; 8(7):e2518826.","source_url":"https:\/\/doi.org\/10.1001\/jamanetworkopen.2025.18826","ices_scientist":[1379,1381,1383,1385,1281,1150,1133,1146],"site":[6733],"research_program":[6742],"news_release":"","journal_article":"","atlas":"","research_report":"","infographic":"","video":"","downloads":null,"links":null,"sitecore_item_id":"","sitecore_item_name":"","sitecore_field_values":"","previous_url":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Marginalized neighborhoods and health outcomes in younger myocardial infarction survivors<\/title>\n<meta name=\"description\" content=\"Importance \u2014 Neighborhood characteristics may be independently associated with survival after acute myocardial infarction (AMI). 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