作者
Erik B Schelbert, Jie J Cao, Sigurdur Sigurdsson, Thor Aspelund, Peter Kellman, Anthony H Aletras, Christopher K Dyke, Gudmundur Thorgeirsson, Gudny Eiriksdottir, Lenore J Launer, Vilmundur Gudnason, Tamara B Harris, Andrew E Arai
发表日期
2012/9/5
期刊
Jama
卷号
308
期号
9
页码范围
890-896
出版商
American Medical Association
简介
Context
Unrecognized myocardial infarction (MI) is prognostically important. Electrocardiography (ECG) has limited sensitivity for detecting unrecognized MI (UMI).
Objective
Determine prevalence and mortality risk for UMI detected by cardiac magnetic resonance (CMR) imaging or ECG among older individuals.
Design, Setting, and Participants
ICELAND MI is a cohort substudy of the Age, Gene/Environment Susceptibility–Reykjavik Study (enrollment January 2004-January 2007) using ECG or CMR to detect UMI. From a community-dwelling cohort of older individuals in Iceland, data for 936 participants aged 67 to 93 years were analyzed, including 670 who were randomly selected and 266 with diabetes.
Main Outcome Measures
Prevalence and mortality of MI through September 1, 2011. Results reported with 95% confidence limits and net reclassification improvement (NRI).
Results
Of 936 participants, 91 had …
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