{"id":3844,"date":"2001-07-01T00:00:00","date_gmt":"2001-07-01T04:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/journal-articles\/investigating-the-determinants-of-decreasing-postmyocardial-infarction-mortality-an-analysis-of-in-hospital-data-from-1992-and-1997\/"},"modified":"2023-06-14T19:41:58","modified_gmt":"2023-06-14T23:41:58","slug":"investigating-the-determinants-of-decreasing-postmyocardial-infarction-mortality-an-analysis-of-in-hospital-data-from-1992-and-1997","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/investigating-the-determinants-of-decreasing-postmyocardial-infarction-mortality-an-analysis-of-in-hospital-data-from-1992-and-1997\/","title":{"rendered":"Investigating the determinants of decreasing postmyocardial infarction mortality: an analysis of in-hospital data from 1992 and 1997"},"content":{"rendered":"<p><strong>Background<\/strong> &#x2014; Although acute myocardial infarction (AMI) is the leading cause of mortality in the industrialized world, postmyocardial infarction mortality rates have been declining in recent decades. Two possible contributing factors toward this encouraging trend include changing patient characteristics and improved patient management.<\/p>\n<p><strong>Objectives<\/strong> &#x2014; To compare temporal changes in the characteristics and management of patients with AMI at a tertiary care hospital (Sunnybrook and Women&apos;s College Health Sciences Centre) in Toronto, Ontario.<\/p>\n<p><strong>Methods<\/strong> &#x2014; Two hundred hospital charts of patients with AMI as the most responsible diagnosis were reviewed (100 from 1992 and 100 from 1997). One hundred thirty prespecified variables were extracted from each chart, with emphasis placed on baseline clinical characteristics, AMI management and survival.<\/p>\n<p><strong>Results<\/strong> &#x2014; Between 1992 and 1997, AMI in-hospital mortality declined from 20% to 15%. Most baseline clinical characteristics (age, sex, comorbidity, cardiac history, and presenting symptoms and signs) were similar across the 1992 and 1997 patient populations. The only significant risk factor change involved an increase in the prevalence of hypercholesterolemia. In contrast, between 1992 and 1997 there was an increased in-hospital use of anticoagulants, antiplatelets, thrombolytics, beta-blockers, angiotensin-converting enzyme inhibitors and statins. Similarly, there was an increased use of coronary angioplasty and coronary bypass surgery. There was no significant change in the use of AMI therapies that are potentially harmful, including antiarrythmic agents and calcium channel blockers.<\/p>\n<p><strong>Conclusions<\/strong> &#x2014; AMI patient characteristics were similar between 1992 and 1997 but there were striking changes in AMI treatment patterns. The increased use of evidence-based pharmacotherapy may be the most significant contributing factor to declining postmyocardial infarction mortality.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Background &#x2014; Although acute myocardial infarction (AMI) is the leading cause of mortality in the industrialized world, postmyocardial infarction mortality rates have been declining in recent decades. Two possible contributing factors toward this encouraging trend include changing patient characteristics and improved patient management. Objectives &#x2014; To compare temporal changes in the characteristics and management of [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[40,59],"migration-helper-qa-sample-set":[],"class_list":["post-3844","journal_article","type-journal_article","status-publish","hentry","topic-cardiovascular-disease","topic-data-science"],"acf":{"citation":"Daneman N, Austin PC, Tu JV. <em>Can J Cardiol<\/em>. 2001; 17(7):771-6.","source_url":"","ices_scientist":[1215,1385],"site":[6733],"research_program":[6742,6740],"news_release":[],"journal_article":[],"atlas":[],"research_report":[],"infographic":[],"video":[],"downloads":null,"links":null,"sitecore_item_id":"94983352-CE13-44BE-B507-6C5E576E7D82","sitecore_item_name":"Investigating-the-determinants-of-decreasing-postmyocardial-infarction-mortality","sitecore_field_values":"{\n  \"Title\": \"Investigating the determinants of decreasing postmyocardial infarction mortality: an analysis of in-hospital data from 1992 and 1997\",\n  \"Short title\": \"Investigating the determinants of\",\n  \"Citation\": \"<p>Daneman N, Austin PC, Tu JV. <em>Can J Cardiol<\/em>. 2001; 17(7):771-6.<\/p>\",\n  \"Abstract\": \"<p><strong>Background<\/strong> &mdash; Although acute myocardial infarction (AMI) is the leading cause of mortality in the industrialized world, postmyocardial infarction mortality rates have been declining in recent decades. Two possible contributing factors toward this encouraging trend include changing patient characteristics and improved patient management.<\/p>rn<p><strong>Objectives<\/strong> &mdash; To compare temporal changes in the characteristics and management of patients with AMI at a tertiary care hospital (Sunnybrook and Women's College Health Sciences Centre) in Toronto, Ontario.<\/p>rn<p><strong>Methods<\/strong> &mdash; Two hundred hospital charts of patients with AMI as the most responsible diagnosis were reviewed (100 from 1992 and 100 from 1997). One hundred thirty prespecified variables were extracted from each chart, with emphasis placed on baseline clinical characteristics, AMI management and survival.<\/p>rn<p><strong>Results<\/strong> &mdash; Between 1992 and 1997, AMI in-hospital mortality declined from 20% to 15%. Most baseline clinical characteristics (age, sex, comorbidity, cardiac history, and presenting symptoms and signs) were similar across the 1992 and 1997 patient populations. The only significant risk factor change involved an increase in the prevalence of hypercholesterolemia. In contrast, between 1992 and 1997 there was an increased in-hospital use of anticoagulants, antiplatelets, thrombolytics, beta-blockers, angiotensin-converting enzyme inhibitors and statins. Similarly, there was an increased use of coronary angioplasty and coronary bypass surgery. There was no significant change in the use of AMI therapies that are potentially harmful, including antiarrythmic agents and calcium channel blockers.<\/p>rn<p><strong>Conclusions<\/strong> &mdash; AMI patient characteristics were similar between 1992 and 1997 but there were striking changes in AMI treatment patterns. The increased use of evidence-based pharmacotherapy may be the most significant contributing factor to declining postmyocardial infarction mortality.<\/p>\",\n  \"Keywords\": \"{92E2791D-5DAB-4244-8A85-434D524D9A12}|{5718D5DE-813C-4BEF-B244-C1252842E4D5}|{C4D3C1D1-3961-46CB-8A65-47C6A8EC2AB9}\",\n  \"Research Programs\": \"{BEC72DE0-BA8C-42B8-ACE5-EE29FFB2CB3B}|{46DF28D2-EDE8-4DF2-8CC0-87CEF464E435}\",\n  \"ICES Locations\": \"{4FCAABBA-14A5-42E6-8F33-BC6C2F1D9908}\",\n  \"ICES Scientists\": \"{AB44D37A-7B8D-4D5E-80E9-092E8FC19B8E}|{7D498E8B-5801-4F9E-AC41-11ED50F3C34E}|{956599EC-5699-41D3-9375-E0B6C25B12D5}\",\n  \"Posted Date\": \"20010701T000000\"\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2001\/January\/Investigating-the-determinants-of-decreasing-postmyocardial-infarction-mortality"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Investigating the determinants of decreasing postmyocardial infarction mortality: an analysis of in-hospital data from 1992 and 1997<\/title>\n<meta name=\"description\" content=\"Background &#x2014; 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