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Effect of New Versus Known Versus No Atrial Fibrillation on 30-Day and 10-Year Mortality in Patients With Acute Coronary Syndrome
Department of Cardiology, University Hospital Örebro, Örebro, Sweden.
Department of Molecular and Clinical Medicine/Cardiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Department of Molecular and Clinical Medicine/Cardiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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2012 (English)In: American Journal of Cardiology, ISSN 0002-9149, E-ISSN 1879-1913, Vol. 110, no 2, 217-221 p.Article in journal (Refereed) Published
Abstract [en]

Coronary artery disease promotes the development of atrial fibrillation (AF). The aim of this study was to determine short- and long-term mortality in patients with acute coronary syndromes (ACS) and AF, depending on the AF presentation. A total of 2,335 consecutive patients with ACS were included. AF was classified as known persistent or permanent AF, known paroxysmal AF, new AF at admission, and new AF during hospitalization for ACS. Four hundred forty-two patients had any AF: 54 with known persistent or permanent AF, 150 with known paroxysmal AF, 54 with new AF at admission, and 184 with new AF during hospitalization. Statistically significant differences among subgroups related to previous heart failure (p <0.0001), stroke (p = 0.04), myocardial infarction (p <0.0001), angina pectoris (p <0.0001), hypercholesterolemia (p = 0.007), coronary artery bypass grafting (p <0.0001), and percutaneous coronary intervention (p = 0.03) were observed. Thirty-day mortality differed among the subgroups (p = 0.02) and was lowest in patients with known paroxysmal AF (7.3%). Ten-year mortality ranged from 53% to 78% among the subgroups. There were 5 predictors of long-term mortality across the subgroups: age (hazard ratio [HR] 1.06, 95% confidence interval [CI] 1.04 to 1.09, p <0.0001), previous myocardial infarction (HR 1.4, 95% CI 1.0 to 1.8, p = 0.04), heart failure (HR 1.8, 95% CI 1.3 to 2.4, p = 0.0002), diabetes (HR 1.7, 95% CI 1.2 to 2.2, p = 0.0005), and smoking (HR 1.7, 95% CI 1.2 to 2.3, p = 0.001). In conclusion, patient characteristics and 30-day mortality differed significantly among the subgroups, but long-term mortality did not. Any AF associated with ACS almost doubled the long-term mortality risk. AF in patients with ACS should therefore be regarded as an important risk factor irrespective of its presentation. (C) 2012 Elsevier Inc. All rights reserved. (Am J Cardiol 2012;110:217-221)

Place, publisher, year, edition, pages
2012. Vol. 110, no 2, 217-221 p.
Keyword [en]
Acute Coronary Syndrome, Age Factors, Aged, Angina Pectoris, Atrial Fibrillation, Coronary Artery Bypass, Creatine Kinase, MB Form, Diabetes Mellitus, Female, Follow-Up Studies, Heart Failure, Humans, Hypercholesterolemia, Male, Middle Aged, Myocardial Infarction, Prospective Studies, Smoking, Stroke, Sweden
National Category
Cardiac and Cardiovascular Systems
Research subject
Cardiology
Identifiers
URN: urn:nbn:se:oru:diva-38724DOI: 10.1016/j.amjcard.2012.03.018ISI: 000307029500010PubMedID: 22521309Scopus ID: 2-s2.0-84862763541OAI: oai:DiVA.org:oru-38724DiVA: diva2:764202
Note

Funding agencies are:

Swedish Research Council: 14231 Swedish Heart and Lung Foundation Vårdal FoundationGothenburg University Gothenburg Medical Society

Available from: 2014-11-18 Created: 2014-11-18 Last updated: 2017-10-17Bibliographically approved

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CiteExportLink to record
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