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Association Between Adoption of Evidence-Based Treatment and Survival for Patients With ST-Elevation Myocardial Infarction
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
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2011 (English)In: Journal of the American Medical Association (JAMA), ISSN 0098-7484, E-ISSN 1538-3598, Vol. 305, no 16, 1677-1684 p.Article in journal (Refereed) Published
Abstract [en]

Context Only limited information is available on the speed of implementation of new evidence-based and guideline-recommended treatments and its association with survival in real life health care of patients with ST-elevation myocardial infarction (STEMI). Objective To describe the adoption of new treatments and the related chances of short-and long-term survival in consecutive patients with STEMI in a single country over a 12-year period. Design, Setting, and Participants The Register of Information and Knowledge about Swedish Heart Intensive Care Admission (RIKS-HIA) records baseline characteristics, treatments, and outcome of consecutive patients with acute coronary syndrome admitted to almost all hospitals in Sweden. This study includes 61 238 patients with a first-time diagnosis of STEMI between 1996 and 2007. Main Outcome Measures Estimated and crude proportions of patients treated with different medications and invasive procedures and mortality over time. Results Of evidence based-treatments, reperfusion increased from 66% (95%, confidence interval [CI], 52%-79%) to 79% (95% CI, 69%-89%; P<.001), primary percutaneous coronary intervention from 12% (95% CI, 11%-14%) to 61% (95% CI, 45%-77%; P<.001), and revascularization from 10% (96% CI, 6%-14%) to 84% (95% CI, 73%-95%; P<.001). The use of aspirin, clopidogrel, beta-blockers, statins, and angiotensin-converting enzyme (ACE) inhibitors all increased: clopidogrel from 0% to 82% (95% CI, 69%-95%; P<.001), statins from 23% (95% CI, 12%-33%) to 83% (95% CI, 75%-91%; P<.001), and ACE inhibitor or angiotensin II receptor blockers from 39% (95% CI, 26%-52%) to 69% (95% CI, 58%-70%; P<.001). The estimated in-hospital, 30-day and 1-year mortality decreased from 12.5% (95% CI, 4.3%-20.6%) to 7.2% (95% CI, 1.7%-12.6%; P<.001); from 15.0% (95% CI, 6.2%-23.7%) to 8.6% (95% CI, 2.7%-14.5%; P<.001); and from 21.0% (95% CI, 11.0%-30.9%) to 13.3% (95% CI, 6.0%-20.4%; P<.001), respectively. After adjustment, there was still a consistent trend with lower standardized mortality over the years. The 12-year survival analyses showed that the decrease of mortality was sustained over time. Conclusion In a Swedish registry of patients with STEMI, between 1996 and 2007, there was an increase in the prevalence of evidence-based treatments. During this same time, there was a decrease in 30-day and 1-year mortality that was sustained during long-term follow-up.

Place, publisher, year, edition, pages
2011. Vol. 305, no 16, 1677-1684 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-153285ISI: 000289890500021PubMedID: 21521849OAI: oai:DiVA.org:uu-153285DiVA: diva2:416054
Available from: 2011-05-10 Created: 2011-05-10 Last updated: 2014-02-21Bibliographically approved

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Held, ClaesWallentin, Lars

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