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- W2044989866 abstract "To optimize the predictive value of cardiac magnetic resonance imaging (MRI) for improvement of myocardial dysfunction prior to percutaneous coronary intervention (PCI).We performed cardiac MRI in 72 patients (male 87%, age 60 years) before and 6 months after successful PCI (43/72) or unsuccessful PCI (29/72) of a chronic total coronary occlusion (CTO). Before PCI, 5 viability parameters were evaluated: transmural extent of infarction (TEI), contractile reserve during dobutamine, end diastolic wall thickness, unenhanced rim thickness and segmental wall thickening of the unenhanced rim (SWTur). Multivariate analysis was performed and based on the regression coefficient (RC) a predictive score was constructed. Diagnostic performance to predict improvement in myocardial function for each parameter and for the viability score was determined.The predictive value of a combination of contractile reserve, SWTur and TEI was incremental to TEI alone (AUROC 0.91 vs. 0.77; p<0.001). A viability score of ≥ 5 based on contractile reserve (RC=4), SWTur (RC=1) and TEI (RC=2) was 91% sensitive and 84% specific in predicting improvement of myocardial function.Combining viability parameters results in a better prediction of improvement of dysfunctional myocardial segments after a successful PCI." @default.
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- W2044989866 date "2012-09-01" @default.
- W2044989866 modified "2023-10-16" @default.
- W2044989866 title "Combining magnetic resonance viability variables better predicts improvement of myocardial function prior to percutaneous coronary intervention" @default.
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- W2044989866 doi "https://doi.org/10.1016/j.ijcard.2011.02.048" @default.
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