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- W173012784 abstract "Background . In patients (pts) with chronic heart failure, late gadolinium enhancement cardiovascular magnetic resonance (LGE-CMR) is capable to distinguish left ventricular systolic dysfunction (LVSD) related or not to coronary artery disease (CAD). Moreover about 10% of pts with dilated cardiomyopathy (DCM) are actually «unrecognized » ischemic cardiomyopathy (ICM), possibly because of coronary recanalization after silent infarction. However, the prognostic implications of « unrecognized » ICM are not known. Methods. Three hundred consecutive pts with heart failure and LVSD underwent LGE-CMR and were followed prospectively during 833 days (12–2724). The primary endpoint was the composite of cardiac death or heart failure hospitalization. Pts were classified into 4 groups : DCM without LGE (N 149) ; DCM with midwall fibrosis (n 35) ; ICM : ischemic scar and CAD (n 81) ; « unrecognized » ICM : ischemic scar without CAD (n 30). Results. 111 pts (38%) experienced events during follow-up.. There were non significant differences in event rate in patients with « unrecognized » ICM and ICM (53% and 63% respectively). By contrast the event rate in ICM groups were significantly higher than in pts with DCM (29% in group 1 and 31% in group 2 ; p = 0.000001) (Figure ). By multivariate analysis LGE was the strongest predictor of cardiac events (HR 1,7 CI 95% 1.07–2.88). Conclusions . In our series, pts with « unrecognized » ICM detected by CMR had a high risk of cardiac events during follow up similar to those pts with ICM. These findings had potentially important implications for routine use of CMR as a diagnostic and prognostic tool in patients with heart failure and systolic dysfunction." @default.
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- W173012784 date "2008-10-28" @default.
- W173012784 modified "2023-09-27" @default.
- W173012784 title "Abstract 4188: Prognostic implications of Ischemic Myocardial Scar by Cardiac Magnetic Resonance in Patients with Normal Coronary Angiography and Dilated Cardiomyopathy" @default.
- W173012784 doi "https://doi.org/10.1161/circ.118.suppl_18.s_839-a" @default.
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